Merge remote-tracking branch 'upstream/master' into BAEL-2781-classgraph
This commit is contained in:
Denis Zhdanov
commit
7acfa36d59
|
|
@ -19,6 +19,7 @@
|
|||
.idea/
|
||||
*.iml
|
||||
*.iws
|
||||
out/
|
||||
|
||||
# Mac
|
||||
.DS_Store
|
||||
|
|
@ -27,6 +28,9 @@
|
|||
log/
|
||||
target/
|
||||
|
||||
# Gradle
|
||||
.gradle/
|
||||
|
||||
spring-openid/src/main/resources/application.properties
|
||||
.recommenders/
|
||||
/spring-hibernate4/nbproject/
|
||||
|
|
|
|||
|
|
@ -14,18 +14,19 @@
|
|||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>com.typesafe.akka</groupId>
|
||||
<artifactId>akka-stream_2.11</artifactId>
|
||||
<artifactId>akka-stream_${scala.version}</artifactId>
|
||||
<version>${akkastreams.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.typesafe.akka</groupId>
|
||||
<artifactId>akka-stream-testkit_2.11</artifactId>
|
||||
<artifactId>akka-stream-testkit_${scala.version}</artifactId>
|
||||
<version>${akkastreams.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<properties>
|
||||
<akkastreams.version>2.5.2</akkastreams.version>
|
||||
<scala.version>2.11</scala.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
@ -30,7 +30,7 @@ public class TreeNode {
|
|||
this.leftChild = leftChild;
|
||||
}
|
||||
|
||||
public TreeNode(int value, TreeNode rightChild, TreeNode leftChild) {
|
||||
public TreeNode(int value, TreeNode leftChild, TreeNode rightChild) {
|
||||
this.value = value;
|
||||
this.rightChild = rightChild;
|
||||
this.leftChild = leftChild;
|
||||
|
|
|
|||
|
|
@ -4,21 +4,6 @@ import java.util.LinkedList;
|
|||
|
||||
public class TreeReverser {
|
||||
|
||||
public TreeNode createBinaryTree() {
|
||||
|
||||
TreeNode leaf1 = new TreeNode(3);
|
||||
TreeNode leaf2 = new TreeNode(1);
|
||||
TreeNode leaf3 = new TreeNode(9);
|
||||
TreeNode leaf4 = new TreeNode(6);
|
||||
|
||||
TreeNode nodeLeft = new TreeNode(2, leaf1, leaf2);
|
||||
TreeNode nodeRight = new TreeNode(7, leaf3, leaf4);
|
||||
|
||||
TreeNode root = new TreeNode(4, nodeRight, nodeLeft);
|
||||
|
||||
return root;
|
||||
}
|
||||
|
||||
public void reverseRecursive(TreeNode treeNode) {
|
||||
if (treeNode == null) {
|
||||
return;
|
||||
|
|
|
|||
|
|
@ -10,7 +10,7 @@ public class TreeReverserUnitTest {
|
|||
public void givenTreeWhenReversingRecursivelyThenReversed() {
|
||||
TreeReverser reverser = new TreeReverser();
|
||||
|
||||
TreeNode treeNode = reverser.createBinaryTree();
|
||||
TreeNode treeNode = createBinaryTree();
|
||||
|
||||
reverser.reverseRecursive(treeNode);
|
||||
|
||||
|
|
@ -22,7 +22,7 @@ public class TreeReverserUnitTest {
|
|||
public void givenTreeWhenReversingIterativelyThenReversed() {
|
||||
TreeReverser reverser = new TreeReverser();
|
||||
|
||||
TreeNode treeNode = reverser.createBinaryTree();
|
||||
TreeNode treeNode = createBinaryTree();
|
||||
|
||||
reverser.reverseIterative(treeNode);
|
||||
|
||||
|
|
@ -30,4 +30,18 @@ public class TreeReverserUnitTest {
|
|||
.trim());
|
||||
}
|
||||
|
||||
private TreeNode createBinaryTree() {
|
||||
|
||||
TreeNode leaf1 = new TreeNode(1);
|
||||
TreeNode leaf2 = new TreeNode(3);
|
||||
TreeNode leaf3 = new TreeNode(6);
|
||||
TreeNode leaf4 = new TreeNode(9);
|
||||
|
||||
TreeNode nodeRight = new TreeNode(7, leaf3, leaf4);
|
||||
TreeNode nodeLeft = new TreeNode(2, leaf1, leaf2);
|
||||
|
||||
TreeNode root = new TreeNode(4, nodeLeft, nodeRight);
|
||||
|
||||
return root;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -10,6 +10,14 @@
|
|||
<version>1.0.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.antlr</groupId>
|
||||
<artifactId>antlr4-runtime</artifactId>
|
||||
<version>${antlr.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
|
|
@ -44,13 +52,7 @@
|
|||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.antlr</groupId>
|
||||
<artifactId>antlr4-runtime</artifactId>
|
||||
<version>${antlr.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<properties>
|
||||
<antlr.version>4.7.1</antlr.version>
|
||||
<mojo.version>3.0.0</mojo.version>
|
||||
|
|
|
|||
|
|
@ -12,9 +12,18 @@
|
|||
<version>0.0.1-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<properties>
|
||||
<cxf-version>3.2.0</cxf-version>
|
||||
</properties>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.apache.cxf</groupId>
|
||||
<artifactId>cxf-rt-rs-client</artifactId>
|
||||
<version>${cxf-version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.cxf</groupId>
|
||||
<artifactId>cxf-rt-rs-sse</artifactId>
|
||||
<version>${cxf-version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
|
|
@ -45,17 +54,8 @@
|
|||
</plugins>
|
||||
</build>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.apache.cxf</groupId>
|
||||
<artifactId>cxf-rt-rs-client</artifactId>
|
||||
<version>${cxf-version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.cxf</groupId>
|
||||
<artifactId>cxf-rt-rs-sse</artifactId>
|
||||
<version>${cxf-version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
<properties>
|
||||
<cxf-version>3.2.0</cxf-version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -13,11 +13,28 @@
|
|||
<version>0.0.1-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<properties>
|
||||
<liberty-maven-plugin.version>2.4.2</liberty-maven-plugin.version>
|
||||
<failOnMissingWebXml>false</failOnMissingWebXml>
|
||||
<openliberty-version>18.0.0.2</openliberty-version>
|
||||
</properties>
|
||||
<dependencies>
|
||||
|
||||
<dependency>
|
||||
<groupId>javax.ws.rs</groupId>
|
||||
<artifactId>javax.ws.rs-api</artifactId>
|
||||
<version>2.1</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>javax.enterprise</groupId>
|
||||
<artifactId>cdi-api</artifactId>
|
||||
<version>2.0</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>javax.json.bind</groupId>
|
||||
<artifactId>javax.json.bind-api</artifactId>
|
||||
<version>1.0</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<finalName>${project.artifactId}</finalName>
|
||||
|
|
@ -59,27 +76,10 @@
|
|||
</plugins>
|
||||
</build>
|
||||
|
||||
<dependencies>
|
||||
|
||||
<dependency>
|
||||
<groupId>javax.ws.rs</groupId>
|
||||
<artifactId>javax.ws.rs-api</artifactId>
|
||||
<version>2.1</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>javax.enterprise</groupId>
|
||||
<artifactId>cdi-api</artifactId>
|
||||
<version>2.0</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>javax.json.bind</groupId>
|
||||
<artifactId>javax.json.bind-api</artifactId>
|
||||
<version>1.0</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
|
||||
</dependencies>
|
||||
<properties>
|
||||
<liberty-maven-plugin.version>2.4.2</liberty-maven-plugin.version>
|
||||
<failOnMissingWebXml>false</failOnMissingWebXml>
|
||||
<openliberty-version>18.0.0.2</openliberty-version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -7,6 +7,12 @@
|
|||
<name>apache-meecrowave</name>
|
||||
<description>A sample REST API application with Meecrowave</description>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-modules</artifactId>
|
||||
<version>1.0.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-core -->
|
||||
<dependency>
|
||||
|
|
|
|||
|
|
@ -17,7 +17,7 @@ import okhttp3.Request;
|
|||
import okhttp3.Response;
|
||||
|
||||
@RunWith(MonoMeecrowave.Runner.class)
|
||||
public class ArticleEndpointsTest {
|
||||
public class ArticleEndpointsUnitTest {
|
||||
|
||||
@ConfigurationInject
|
||||
private Meecrowave.Builder config;
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
### Relevant Articles:
|
||||
|
||||
- [Deploy Spring Boot App to Azure](http://www.baeldung.com/spring-boot-azure)
|
||||
- [Deploy a Spring Boot App to Azure](http://www.baeldung.com/spring-boot-azure)
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
### Relevant Articles:
|
||||
|
||||
- [Blade - A Complete GuideBook](http://www.baeldung.com/blade)
|
||||
- [Blade – A Complete Guidebook](http://www.baeldung.com/blade)
|
||||
|
||||
Run Integration Tests with `mvn integration-test`
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
### Revelant Articles
|
||||
|
||||
- [A Quick Guide To Using Cloud Foundry UAA](https://www.baeldung.com/cloud-foundry-uaa)
|
||||
|
|
@ -2,24 +2,20 @@
|
|||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<parent>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-parent</artifactId>
|
||||
<version>2.1.3.RELEASE</version>
|
||||
<relativePath/> <!-- lookup parent from repository -->
|
||||
</parent>
|
||||
<groupId>com.example</groupId>
|
||||
<artifactId>cf-uaa-oauth2-client</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<name>uaa-client-webapp</name>
|
||||
<description>Demo project for Spring Boot</description>
|
||||
|
||||
<properties>
|
||||
<java.version>1.8</java.version>
|
||||
</properties>
|
||||
<parent>
|
||||
<artifactId>parent-boot-2</artifactId>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../../parent-boot-2</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-web</artifactId>
|
||||
|
|
@ -28,7 +24,6 @@
|
|||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-oauth2-client</artifactId>
|
||||
</dependency>
|
||||
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
|
|
@ -40,4 +35,7 @@
|
|||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<java.version>1.8</java.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -2,24 +2,20 @@
|
|||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<parent>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-parent</artifactId>
|
||||
<version>2.1.3.RELEASE</version>
|
||||
<relativePath/> <!-- lookup parent from repository -->
|
||||
</parent>
|
||||
<groupId>com.baeldung.cfuaa</groupId>
|
||||
<artifactId>cf-uaa-oauth2-resource-server</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<name>cf-uaa-oauth2-resource-server</name>
|
||||
<description>Demo project for Spring Boot</description>
|
||||
|
||||
<properties>
|
||||
<java.version>1.8</java.version>
|
||||
</properties>
|
||||
<parent>
|
||||
<artifactId>parent-boot-2</artifactId>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../../parent-boot-2</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-oauth2-resource-server</artifactId>
|
||||
|
|
@ -28,7 +24,6 @@
|
|||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-web</artifactId>
|
||||
</dependency>
|
||||
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
|
|
@ -40,4 +35,8 @@
|
|||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<java.version>1.8</java.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,7 @@
|
|||
# Groovy
|
||||
|
||||
## Relevant articles:
|
||||
|
||||
- [String Matching in Groovy](http://www.baeldung.com/)
|
||||
- [Groovy def Keyword]
|
||||
|
||||
|
|
@ -0,0 +1,131 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>core-groovy-2</artifactId>
|
||||
<version>1.0-SNAPSHOT</version>
|
||||
<name>core-groovy-2</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-modules</artifactId>
|
||||
<version>1.0.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.codehaus.groovy</groupId>
|
||||
<artifactId>groovy</artifactId>
|
||||
<version>${groovy.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.codehaus.groovy</groupId>
|
||||
<artifactId>groovy-all</artifactId>
|
||||
<version>${groovy-all.version}</version>
|
||||
<type>pom</type>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.codehaus.groovy</groupId>
|
||||
<artifactId>groovy-dateutil</artifactId>
|
||||
<version>${groovy.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.codehaus.groovy</groupId>
|
||||
<artifactId>groovy-sql</artifactId>
|
||||
<version>${groovy-sql.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.junit.platform</groupId>
|
||||
<artifactId>junit-platform-runner</artifactId>
|
||||
<version>${junit.platform.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.hsqldb</groupId>
|
||||
<artifactId>hsqldb</artifactId>
|
||||
<version>${hsqldb.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.spockframework</groupId>
|
||||
<artifactId>spock-core</artifactId>
|
||||
<version>${spock-core.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.codehaus.gmavenplus</groupId>
|
||||
<artifactId>gmavenplus-plugin</artifactId>
|
||||
<version>${gmavenplus-plugin.version}</version>
|
||||
<executions>
|
||||
<execution>
|
||||
<goals>
|
||||
<goal>addSources</goal>
|
||||
<goal>addTestSources</goal>
|
||||
<goal>compile</goal>
|
||||
<goal>compileTests</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<artifactId>maven-failsafe-plugin</artifactId>
|
||||
<version>${maven-failsafe-plugin.version}</version>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.junit.platform</groupId>
|
||||
<artifactId>junit-platform-surefire-provider</artifactId>
|
||||
<version>${junit.platform.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
<executions>
|
||||
<execution>
|
||||
<id>junit5</id>
|
||||
<goals>
|
||||
<goal>integration-test</goal>
|
||||
<goal>verify</goal>
|
||||
</goals>
|
||||
<configuration>
|
||||
<includes>
|
||||
<include>**/*Test5.java</include>
|
||||
</includes>
|
||||
</configuration>
|
||||
</execution>
|
||||
</executions>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<artifactId>maven-surefire-plugin</artifactId>
|
||||
<version>2.20.1</version>
|
||||
<configuration>
|
||||
<useFile>false</useFile>
|
||||
<includes>
|
||||
<include>**/*Test.java</include>
|
||||
<include>**/*Spec.java</include>
|
||||
</includes>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<repositories>
|
||||
<repository>
|
||||
<id>central</id>
|
||||
<url>http://jcenter.bintray.com</url>
|
||||
</repository>
|
||||
</repositories>
|
||||
|
||||
<properties>
|
||||
<junit.platform.version>1.0.0</junit.platform.version>
|
||||
<groovy.version>2.5.6</groovy.version>
|
||||
<groovy-all.version>2.5.6</groovy-all.version>
|
||||
<groovy-sql.version>2.5.6</groovy-sql.version>
|
||||
<hsqldb.version>2.4.0</hsqldb.version>
|
||||
<spock-core.version>1.1-groovy-2.4</spock-core.version>
|
||||
<gmavenplus-plugin.version>1.6</gmavenplus-plugin.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
package com.baeldung.defkeyword
|
||||
|
||||
import org.codehaus.groovy.runtime.NullObject
|
||||
import org.codehaus.groovy.runtime.typehandling.GroovyCastException
|
||||
|
||||
import groovy.transform.TypeChecked
|
||||
import groovy.transform.TypeCheckingMode
|
||||
|
||||
@TypeChecked
|
||||
class DefUnitTest extends GroovyTestCase {
|
||||
|
||||
def id
|
||||
def firstName = "Samwell"
|
||||
def listOfCountries = ['USA', 'UK', 'FRANCE', 'INDIA']
|
||||
|
||||
@TypeChecked(TypeCheckingMode.SKIP)
|
||||
def multiply(x, y) {
|
||||
return x*y
|
||||
}
|
||||
|
||||
@TypeChecked(TypeCheckingMode.SKIP)
|
||||
void testDefVariableDeclaration() {
|
||||
|
||||
def list
|
||||
assert list.getClass() == org.codehaus.groovy.runtime.NullObject
|
||||
assert list.is(null)
|
||||
|
||||
list = [1,2,4]
|
||||
assert list instanceof ArrayList
|
||||
}
|
||||
|
||||
@TypeChecked(TypeCheckingMode.SKIP)
|
||||
void testTypeVariables() {
|
||||
int rate = 200
|
||||
try {
|
||||
rate = [12] //GroovyCastException
|
||||
rate = "nill" //GroovyCastException
|
||||
} catch(GroovyCastException) {
|
||||
println "Cannot assign anything other than integer"
|
||||
}
|
||||
}
|
||||
|
||||
@TypeChecked(TypeCheckingMode.SKIP)
|
||||
void testDefVariableMultipleAssignment() {
|
||||
def rate
|
||||
assert rate == null
|
||||
assert rate.getClass() == org.codehaus.groovy.runtime.NullObject
|
||||
|
||||
rate = 12
|
||||
assert rate instanceof Integer
|
||||
|
||||
rate = "Not Available"
|
||||
assert rate instanceof String
|
||||
|
||||
rate = [1, 4]
|
||||
assert rate instanceof List
|
||||
|
||||
assert divide(12, 3) instanceof BigDecimal
|
||||
assert divide(1, 0) instanceof String
|
||||
|
||||
}
|
||||
|
||||
def divide(int x, int y) {
|
||||
if(y==0) {
|
||||
return "Should not divide by 0"
|
||||
} else {
|
||||
return x/y
|
||||
}
|
||||
}
|
||||
|
||||
def greetMsg() {
|
||||
println "Hello! I am Groovy"
|
||||
}
|
||||
|
||||
void testDefVsType() {
|
||||
def int count
|
||||
assert count instanceof Integer
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,44 @@
|
|||
package com.baeldung.strings
|
||||
|
||||
import spock.lang.Specification
|
||||
|
||||
import java.util.regex.Pattern
|
||||
|
||||
class StringMatchingSpec extends Specification {
|
||||
|
||||
def "pattern operator example"() {
|
||||
given: "a pattern"
|
||||
def p = ~'foo'
|
||||
|
||||
expect:
|
||||
p instanceof Pattern
|
||||
|
||||
and: "you can use slash strings to avoid escaping of blackslash"
|
||||
def digitPattern = ~/\d*/
|
||||
digitPattern.matcher('4711').matches()
|
||||
}
|
||||
|
||||
def "match operator example"() {
|
||||
expect:
|
||||
'foobar' ==~ /.*oba.*/
|
||||
|
||||
and: "matching is strict"
|
||||
!('foobar' ==~ /foo/)
|
||||
}
|
||||
|
||||
def "find operator example"() {
|
||||
when: "using the find operator"
|
||||
def matcher = 'foo and bar, baz and buz' =~ /(\w+) and (\w+)/
|
||||
|
||||
then: "will find groups"
|
||||
matcher.size() == 2
|
||||
|
||||
and: "can access groups using array"
|
||||
matcher[0][0] == 'foo and bar'
|
||||
matcher[1][2] == 'buz'
|
||||
|
||||
and: "you can use it as a predicate"
|
||||
'foobarbaz' =~ /bar/
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -8,6 +8,8 @@
|
|||
- [Types of Strings in Groovy](https://www.baeldung.com/groovy-strings)
|
||||
- [A Quick Guide to Iterating a Map in Groovy](https://www.baeldung.com/groovy-map-iterating)
|
||||
- [An Introduction to Traits in Groovy](https://www.baeldung.com/groovy-traits)
|
||||
- [Closures in Groovy](https://www.baeldung.com/groovy-closures)
|
||||
- [Finding Elements in Collections in Groovy](https://www.baeldung.com/groovy-collections-find-elements)
|
||||
- [Lists in Groovy](https://www.baeldung.com/groovy-lists)
|
||||
- [Converting a String to a Date in Groovy](https://www.baeldung.com/groovy-string-to-date)
|
||||
- [Guide to I/O in Groovy](https://www.baeldung.com/groovy-io)
|
||||
|
|
@ -0,0 +1,44 @@
|
|||
package com.baeldung.strings
|
||||
|
||||
import spock.lang.Specification
|
||||
|
||||
import java.util.regex.Pattern
|
||||
|
||||
class StringMatchingSpec extends Specification {
|
||||
|
||||
def "pattern operator example"() {
|
||||
given: "a pattern"
|
||||
def p = ~'foo'
|
||||
|
||||
expect:
|
||||
p instanceof Pattern
|
||||
|
||||
and: "you can use slash strings to avoid escaping of blackslash"
|
||||
def digitPattern = ~/\d*/
|
||||
digitPattern.matcher('4711').matches()
|
||||
}
|
||||
|
||||
def "match operator example"() {
|
||||
expect:
|
||||
'foobar' ==~ /.*oba.*/
|
||||
|
||||
and: "matching is strict"
|
||||
!('foobar' ==~ /foo/)
|
||||
}
|
||||
|
||||
def "find operator example"() {
|
||||
when: "using the find operator"
|
||||
def matcher = 'foo and bar, baz and buz' =~ /(\w+) and (\w+)/
|
||||
|
||||
then: "will find groups"
|
||||
matcher.size() == 2
|
||||
|
||||
and: "can access groups using array"
|
||||
matcher[0][0] == 'foo and bar'
|
||||
matcher[1][2] == 'buz'
|
||||
|
||||
and: "you can use it as a predicate"
|
||||
'foobarbaz' =~ /bar/
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -6,3 +6,4 @@
|
|||
- [Java 11 Nest Based Access Control](https://www.baeldung.com/java-nest-based-access-control)
|
||||
- [Exploring the New HTTP Client in Java 9 and 11](https://www.baeldung.com/java-9-http-client)
|
||||
- [An Introduction to Epsilon GC: A No-Op Experimental Garbage Collector](https://www.baeldung.com/jvm-epsilon-gc-garbage-collector)
|
||||
- [Guide to jlink](https://www.baeldung.com/jlink)
|
||||
|
|
|
|||
|
|
@ -14,6 +14,14 @@
|
|||
<version>1.0.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>com.google.guava</groupId>
|
||||
<artifactId>guava</artifactId>
|
||||
<version>${guava.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
|
|
@ -31,6 +39,7 @@
|
|||
<properties>
|
||||
<maven.compiler.source.version>11</maven.compiler.source.version>
|
||||
<maven.compiler.target.version>11</maven.compiler.target.version>
|
||||
<guava.version>27.1-jre</guava.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,32 @@
|
|||
package com.baeldung;
|
||||
|
||||
import com.google.common.base.Strings;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.Optional;
|
||||
import java.util.function.Predicate;
|
||||
|
||||
public class EmptyStringToEmptyOptionalUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenEmptyString_whenFilteringOnOptional_thenEmptyOptionalIsReturned() {
|
||||
String str = "";
|
||||
Optional<String> opt = Optional.ofNullable(str).filter(s -> !s.isEmpty());
|
||||
Assert.assertFalse(opt.isPresent());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenEmptyString_whenFilteringOnOptionalInJava11_thenEmptyOptionalIsReturned() {
|
||||
String str = "";
|
||||
Optional<String> opt = Optional.ofNullable(str).filter(Predicate.not(String::isEmpty));
|
||||
Assert.assertFalse(opt.isPresent());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenEmptyString_whenPassingResultOfEmptyToNullToOfNullable_thenEmptyOptionalIsReturned() {
|
||||
String str = "";
|
||||
Optional<String> opt = Optional.ofNullable(Strings.emptyToNull(str));
|
||||
Assert.assertFalse(opt.isPresent());
|
||||
}
|
||||
}
|
||||
|
|
@ -34,6 +34,7 @@
|
|||
<configuration>
|
||||
<source>${maven.compiler.source.version}</source>
|
||||
<target>${maven.compiler.target.version}</target>
|
||||
<compilerArgs>--enable-preview</compilerArgs>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,37 @@
|
|||
package com.baeldung.switchExpression;
|
||||
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
public class SwitchUnitTest {
|
||||
|
||||
@Test
|
||||
public void switchJava12(){
|
||||
|
||||
var month = Month.AUG;
|
||||
|
||||
var value = switch(month){
|
||||
case JAN,JUN, JUL -> 3;
|
||||
case FEB,SEP, OCT, NOV, DEC -> 1;
|
||||
case MAR,MAY, APR, AUG -> 2;
|
||||
};
|
||||
|
||||
Assert.assertEquals(value, 2);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void switchLocalVariable(){
|
||||
var month = Month.AUG;
|
||||
int i = switch (month){
|
||||
case JAN,JUN, JUL -> 3;
|
||||
case FEB,SEP, OCT, NOV, DEC -> 1;
|
||||
case MAR,MAY, APR, AUG -> {
|
||||
int j = month.toString().length() * 4;
|
||||
break j;
|
||||
}
|
||||
};
|
||||
Assert.assertEquals(12, i);
|
||||
}
|
||||
|
||||
enum Month {JAN, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV, DEC}
|
||||
}
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
=========
|
||||
|
||||
## Core Java 8 Cookbooks and Examples (part 2)
|
||||
|
||||
### Relevant Articles:
|
||||
- [Anonymous Classes in Java](http://www.baeldung.com/)
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>core-java-8-2</artifactId>
|
||||
<version>0.1.0-SNAPSHOT</version>
|
||||
<name>core-java-8-2</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-java</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../parent-java</relativePath>
|
||||
</parent>
|
||||
|
||||
<properties>
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
</properties>
|
||||
|
||||
<dependencies>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<version>${maven-compiler-plugin.version}</version>
|
||||
<configuration>
|
||||
<source>${maven.compiler.source}</source>
|
||||
<target>${maven.compiler.target}</target>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
|
||||
</build>
|
||||
</project>
|
||||
|
|
@ -3,7 +3,7 @@
|
|||
## Core Java 8 Cookbooks and Examples
|
||||
|
||||
### Relevant Articles:
|
||||
- [Java 8 Collectors](http://www.baeldung.com/java-8-collectors)
|
||||
- [Guide to Java 8’s Collectors](http://www.baeldung.com/java-8-collectors)
|
||||
- [Functional Interfaces in Java 8](http://www.baeldung.com/java-8-functional-interfaces)
|
||||
- [Java 8 – Powerful Comparison with Lambdas](http://www.baeldung.com/java-8-sort-lambda)
|
||||
- [New Features in Java 8](http://www.baeldung.com/java-8-new-features)
|
||||
|
|
|
|||
|
|
@ -1,12 +0,0 @@
|
|||
package com.baeldung;
|
||||
|
||||
import java.util.function.Consumer;
|
||||
import java.util.function.Function;
|
||||
|
||||
public interface Adder {
|
||||
|
||||
String addWithFunction(Function<String, String> f);
|
||||
|
||||
void addWithConsumer(Consumer<Integer> f);
|
||||
|
||||
}
|
||||
|
|
@ -1,18 +0,0 @@
|
|||
package com.baeldung;
|
||||
|
||||
|
||||
import java.util.function.Consumer;
|
||||
import java.util.function.Function;
|
||||
|
||||
public class AdderImpl implements Adder {
|
||||
|
||||
@Override
|
||||
public String addWithFunction(final Function<String, String> f) {
|
||||
return f.apply("Something ");
|
||||
}
|
||||
|
||||
@Override
|
||||
public void addWithConsumer(final Consumer<Integer> f) {
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung;
|
||||
package com.baeldung.java8.lambda.tips;
|
||||
|
||||
|
||||
@FunctionalInterface
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung;
|
||||
package com.baeldung.java8.lambda.tips;
|
||||
|
||||
|
||||
@FunctionalInterface
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung;
|
||||
package com.baeldung.java8.lambda.tips;
|
||||
|
||||
|
||||
@FunctionalInterface
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung;
|
||||
package com.baeldung.java8.lambda.tips;
|
||||
|
||||
|
||||
@FunctionalInterface
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
package com.baeldung.java8.lambda.tips;
|
||||
|
||||
import java.util.concurrent.Callable;
|
||||
import java.util.function.Supplier;
|
||||
|
||||
public interface Processor {
|
||||
|
||||
String processWithCallable(Callable<String> c) throws Exception;
|
||||
|
||||
String processWithSupplier(Supplier<String> s);
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
package com.baeldung.java8.lambda.tips;
|
||||
|
||||
|
||||
import java.util.concurrent.Callable;
|
||||
import java.util.function.Consumer;
|
||||
import java.util.function.Function;
|
||||
import java.util.function.Supplier;
|
||||
|
||||
public class ProcessorImpl implements Processor {
|
||||
|
||||
@Override
|
||||
public String processWithCallable(Callable<String> c) throws Exception {
|
||||
return c.call();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String processWithSupplier(Supplier<String> s) {
|
||||
return s.get();
|
||||
}
|
||||
}
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung;
|
||||
package com.baeldung.java8.lambda.tips;
|
||||
|
||||
|
||||
import java.util.function.Function;
|
||||
|
|
@ -1,8 +1,8 @@
|
|||
package com.baeldung.java8;
|
||||
package com.baeldung.java8.lambda.tips;
|
||||
|
||||
import com.baeldung.Foo;
|
||||
import com.baeldung.FooExtended;
|
||||
import com.baeldung.UseFoo;
|
||||
import com.baeldung.java8.lambda.tips.Foo;
|
||||
import com.baeldung.java8.lambda.tips.FooExtended;
|
||||
import com.baeldung.java8.lambda.tips.UseFoo;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
|
|
@ -29,4 +29,11 @@ public class CalculatorUnitTest {
|
|||
int result = calculator.calculate(new AddCommand(3, 7));
|
||||
assertEquals(10, result);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCalculateUsingFactory_thenReturnCorrectResult() {
|
||||
Calculator calculator = new Calculator();
|
||||
int result = calculator.calculateUsingFactory(3, 4, "add");
|
||||
assertEquals(7, result);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -5,26 +5,21 @@
|
|||
[Java 9 New Features](http://www.baeldung.com/new-java-9)
|
||||
|
||||
### Relevant Articles:
|
||||
- [Java 9 Stream API Improvements](http://www.baeldung.com/java-9-stream-api)
|
||||
- [Java 9 Convenience Factory Methods for Collections](http://www.baeldung.com/java-9-collections-factory-methods)
|
||||
|
||||
- [Java 9 New Features](https://www.baeldung.com/new-java-9)
|
||||
- [New Stream Collectors in Java 9](http://www.baeldung.com/java9-stream-collectors)
|
||||
- [Java 9 CompletableFuture API Improvements](http://www.baeldung.com/java-9-completablefuture)
|
||||
- [Introduction to Java 9 StackWalking API](http://www.baeldung.com/java-9-stackwalking-api)
|
||||
- [Introduction to Project Jigsaw](http://www.baeldung.com/project-jigsaw-java-modularity)
|
||||
- [Java 9 Optional API Additions](http://www.baeldung.com/java-9-optional)
|
||||
- [Java 9 Reactive Streams](http://www.baeldung.com/java-9-reactive-streams)
|
||||
- [Java 9 java.util.Objects Additions](http://www.baeldung.com/java-9-objects-new)
|
||||
- [Java 9 Variable Handles Demistyfied](http://www.baeldung.com/java-variable-handles)
|
||||
- [Java 9 Variable Handles Demystified](http://www.baeldung.com/java-variable-handles)
|
||||
- [Exploring the New HTTP Client in Java 9 and 11](http://www.baeldung.com/java-9-http-client)
|
||||
- [Method Handles in Java](http://www.baeldung.com/java-method-handles)
|
||||
- [Introduction to Chronicle Queue](http://www.baeldung.com/java-chronicle-queue)
|
||||
- [A Guide to Java 9 Modularity](http://www.baeldung.com/java-9-modularity)
|
||||
- [Optional orElse Optional](http://www.baeldung.com/java-optional-or-else-optional)
|
||||
- [Java 9 java.lang.Module API](http://www.baeldung.com/java-9-module-api)
|
||||
- [Iterate Through a Range of Dates in Java](https://www.baeldung.com/java-iterate-date-range)
|
||||
- [Initialize a HashMap in Java](https://www.baeldung.com/java-initialize-hashmap)
|
||||
- [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api)
|
||||
- [Immutable Set in Java](https://www.baeldung.com/java-immutable-set)
|
||||
- [Multi-Release Jar Files](https://www.baeldung.com/java-multi-release-jar)
|
||||
- [Ahead of Time Compilation (AoT)](https://www.baeldung.com/ahead-of-time-compilation)
|
||||
- [Java 9 Process API Improvements](https://www.baeldung.com/java-9-process-api)
|
||||
- [Guide to java.lang.Process API](https://www.baeldung.com/java-process-api)
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,6 @@
|
|||
=========
|
||||
|
||||
## Core Java Collections 2
|
||||
|
||||
### Relevant Articles:
|
||||
- Java - Copying a HashMap
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>core-java-collections-map</artifactId>
|
||||
<version>0.1.0-SNAPSHOT</version>
|
||||
<name>core-java-collections-map</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-java</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../parent-java</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.apache.commons</groupId>
|
||||
<artifactId>commons-collections4</artifactId>
|
||||
<version>${commons-collections4.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.commons</groupId>
|
||||
<artifactId>commons-lang3</artifactId>
|
||||
<version>${commons-lang3.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.eclipse.collections</groupId>
|
||||
<artifactId>eclipse-collections</artifactId>
|
||||
<version>${eclipse.collections.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.assertj</groupId>
|
||||
<artifactId>assertj-core</artifactId>
|
||||
<version>${assertj.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.junit.platform</groupId>
|
||||
<artifactId>junit-platform-runner</artifactId>
|
||||
<version>${junit.platform.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.openjdk.jmh</groupId>
|
||||
<artifactId>jmh-core</artifactId>
|
||||
<version>${openjdk.jmh.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.openjdk.jmh</groupId>
|
||||
<artifactId>jmh-generator-annprocess</artifactId>
|
||||
<version>${openjdk.jmh.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.commons</groupId>
|
||||
<artifactId>commons-exec</artifactId>
|
||||
<version>${commons-exec.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.projectlombok</groupId>
|
||||
<artifactId>lombok</artifactId>
|
||||
<version>${lombok.version}</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<properties>
|
||||
<openjdk.jmh.version>1.19</openjdk.jmh.version>
|
||||
<junit.platform.version>1.2.0</junit.platform.version>
|
||||
<commons-lang3.version>3.8.1</commons-lang3.version>
|
||||
<commons-collections4.version>4.1</commons-collections4.version>
|
||||
<collections-generic.version>4.01</collections-generic.version>
|
||||
<avaitility.version>1.7.0</avaitility.version>
|
||||
<assertj.version>3.11.1</assertj.version>
|
||||
<eclipse.collections.version>7.1.0</eclipse.collections.version>
|
||||
<commons-exec.version>1.3</commons-exec.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
|
@ -0,0 +1,55 @@
|
|||
package com.baeldung.copyinghashmap;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import java.util.Set;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
import org.apache.commons.lang3.SerializationUtils;
|
||||
|
||||
public class CopyHashMap {
|
||||
|
||||
public static <String, Employee> HashMap<String, Employee> copyUsingConstructor(HashMap<String, Employee> originalMap) {
|
||||
return new HashMap<String, Employee>(originalMap);
|
||||
}
|
||||
|
||||
public static <String, Employee> HashMap<String, Employee> copyUsingClone(HashMap<String, Employee> originalMap) {
|
||||
return (HashMap<String, Employee>) originalMap.clone();
|
||||
}
|
||||
|
||||
public static <String, Employee> HashMap<String, Employee> copyUsingPut(HashMap<String, Employee> originalMap) {
|
||||
HashMap<String, Employee> shallowCopy = new HashMap<String, Employee>();
|
||||
Set<Entry<String, Employee>> entries = originalMap.entrySet();
|
||||
for(Map.Entry<String, Employee> mapEntry: entries) {
|
||||
shallowCopy.put(mapEntry.getKey(), mapEntry.getValue());
|
||||
}
|
||||
|
||||
return shallowCopy;
|
||||
}
|
||||
|
||||
public static <String, Employee> HashMap<String, Employee> copyUsingPutAll(HashMap<String, Employee> originalMap) {
|
||||
HashMap<String, Employee> shallowCopy = new HashMap<String, Employee>();
|
||||
shallowCopy.putAll(originalMap);
|
||||
|
||||
return shallowCopy;
|
||||
}
|
||||
|
||||
public static <String, Employee> HashMap<String, Employee> copyUsingJava8Stream(HashMap<String, Employee> originalMap) {
|
||||
Set<Entry<String, Employee>> entries = originalMap.entrySet();
|
||||
HashMap<String, Employee> shallowCopy = (HashMap<String, Employee>) entries
|
||||
.stream()
|
||||
.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
|
||||
|
||||
return shallowCopy;
|
||||
}
|
||||
|
||||
public static <String, Employee> HashMap<String, Employee> shallowCopy(HashMap<String, Employee> originalMap) {
|
||||
return (HashMap<String, Employee>) originalMap.clone();
|
||||
}
|
||||
|
||||
public static <String, Employee> HashMap<String, Employee> deepCopy(HashMap<String, Employee> originalMap) {
|
||||
return SerializationUtils.clone(originalMap);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
package com.baeldung.copyinghashmap;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import com.google.common.collect.ImmutableMap;
|
||||
|
||||
public class CopyHashMapUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenHashMap_whenShallowCopy_thenCopyisNotSameAsOriginal() {
|
||||
|
||||
HashMap<String, Employee> map = new HashMap<>();
|
||||
Employee emp1 = new Employee("John");
|
||||
Employee emp2 = new Employee("Norman");
|
||||
map.put("emp1",emp1);
|
||||
map.put("emp2",emp2);
|
||||
|
||||
HashMap<String, Employee> shallowCopy = CopyHashMap.shallowCopy(map);
|
||||
|
||||
assertThat(shallowCopy).isNotSameAs(map);
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenHashMap_whenShallowCopyModifyingOriginalObject_thenCopyShouldChange() {
|
||||
|
||||
HashMap<String, Employee> map = new HashMap<>();
|
||||
Employee emp1 = new Employee("John");
|
||||
Employee emp2 = new Employee("Norman");
|
||||
map.put("emp1",emp1);
|
||||
map.put("emp2",emp2);
|
||||
|
||||
HashMap<String, Employee> shallowCopy = CopyHashMap.shallowCopy(map);
|
||||
|
||||
emp1.setName("Johny");
|
||||
|
||||
assertThat(shallowCopy.get("emp1")).isEqualTo(map.get("emp1"));
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenHashMap_whenDeepCopyModifyingOriginalObject_thenCopyShouldNotChange() {
|
||||
|
||||
HashMap<String, Employee> map = new HashMap<>();
|
||||
Employee emp1 = new Employee("John");
|
||||
Employee emp2 = new Employee("Norman");
|
||||
map.put("emp1",emp1);
|
||||
map.put("emp2",emp2);
|
||||
HashMap<String, Employee> deepCopy = CopyHashMap.deepCopy(map);
|
||||
|
||||
emp1.setName("Johny");
|
||||
|
||||
assertThat(deepCopy.get("emp1")).isNotEqualTo(map.get("emp1"));
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenImmutableMap_whenCopyUsingGuava_thenCopyShouldNotChange() {
|
||||
Employee emp1 = new Employee("John");
|
||||
Employee emp2 = new Employee("Norman");
|
||||
|
||||
Map<String, Employee> map = ImmutableMap.<String, Employee> builder()
|
||||
.put("emp1",emp1)
|
||||
.put("emp2",emp2)
|
||||
.build();
|
||||
Map<String, Employee> shallowCopy = ImmutableMap.copyOf(map);
|
||||
|
||||
assertThat(shallowCopy).isSameAs(map);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
package com.baeldung.copyinghashmap;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
public class Employee implements Serializable{
|
||||
|
||||
private String name;
|
||||
|
||||
public Employee(String name) {
|
||||
super();
|
||||
this.name = name;
|
||||
}
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return this.name;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -3,7 +3,7 @@
|
|||
## Core Java Collections Cookbooks and Examples
|
||||
|
||||
### Relevant Articles:
|
||||
- [Java - Combine Multiple Collections](http://www.baeldung.com/java-combine-multiple-collections)
|
||||
- [Java – Combine Multiple Collections](http://www.baeldung.com/java-combine-multiple-collections)
|
||||
- [HashSet and TreeSet Comparison](http://www.baeldung.com/java-hashset-vs-treeset)
|
||||
- [Collect a Java Stream to an Immutable Collection](http://www.baeldung.com/java-stream-immutable-collection)
|
||||
- [Introduction to the Java ArrayDeque](http://www.baeldung.com/java-array-deque)
|
||||
|
|
|
|||
|
|
@ -12,7 +12,7 @@
|
|||
- [Guide to the Java Phaser](http://www.baeldung.com/java-phaser)
|
||||
- [An Introduction to Atomic Variables in Java](http://www.baeldung.com/java-atomic-variables)
|
||||
- [CyclicBarrier in Java](http://www.baeldung.com/java-cyclic-barrier)
|
||||
- [Guide to Volatile Keyword in Java](http://www.baeldung.com/java-volatile)
|
||||
- [Guide to the Volatile Keyword in Java](http://www.baeldung.com/java-volatile)
|
||||
- [Semaphores in Java](http://www.baeldung.com/java-semaphore)
|
||||
- [Daemon Threads in Java](http://www.baeldung.com/java-daemon-thread)
|
||||
- [Priority-based Job Scheduling in Java](http://www.baeldung.com/java-priority-job-schedule)
|
||||
|
|
@ -20,6 +20,6 @@
|
|||
- [Print Even and Odd Numbers Using 2 Threads](https://www.baeldung.com/java-even-odd-numbers-with-2-threads)
|
||||
- [Java CyclicBarrier vs CountDownLatch](https://www.baeldung.com/java-cyclicbarrier-countdownlatch)
|
||||
- [Guide to the Fork/Join Framework in Java](http://www.baeldung.com/java-fork-join)
|
||||
- [A Guide to ThreadLocalRandom in Java](http://www.baeldung.com/java-thread-local-random)
|
||||
- [Guide to ThreadLocalRandom in Java](http://www.baeldung.com/java-thread-local-random)
|
||||
- [The Thread.join() Method in Java](http://www.baeldung.com/java-thread-join)
|
||||
- [Passing Parameters to Java Threads](https://www.baeldung.com/java-thread-parameters)
|
||||
|
|
|
|||
|
|
@ -7,13 +7,13 @@
|
|||
- [A Guide to the Java ExecutorService](http://www.baeldung.com/java-executor-service-tutorial)
|
||||
- [Guide to java.util.concurrent.Future](http://www.baeldung.com/java-future)
|
||||
- [Difference Between Wait and Sleep in Java](http://www.baeldung.com/java-wait-and-sleep)
|
||||
- [Guide to Synchronized Keyword in Java](http://www.baeldung.com/java-synchronized)
|
||||
- [Guide to the Synchronized Keyword in Java](http://www.baeldung.com/java-synchronized)
|
||||
- [Overview of the java.util.concurrent](http://www.baeldung.com/java-util-concurrent)
|
||||
- [Implementing a Runnable vs Extending a Thread](http://www.baeldung.com/java-runnable-vs-extending-thread)
|
||||
- [How to Kill a Java Thread](http://www.baeldung.com/java-thread-stop)
|
||||
- [ExecutorService - Waiting for Threads to Finish](http://www.baeldung.com/java-executor-wait-for-threads)
|
||||
- [ExecutorService – Waiting for Threads to Finish](http://www.baeldung.com/java-executor-wait-for-threads)
|
||||
- [wait and notify() Methods in Java](http://www.baeldung.com/java-wait-notify)
|
||||
- [Life Cycle of a Thread in Java](http://www.baeldung.com/java-thread-lifecycle)
|
||||
- [Runnable vs. Callable in Java](http://www.baeldung.com/java-runnable-callable)
|
||||
- [What is Thread-Safety and How to Achieve it](https://www.baeldung.com/java-thread-safety)
|
||||
- [What is Thread-Safety and How to Achieve it?](https://www.baeldung.com/java-thread-safety)
|
||||
- [How to Start a Thread in Java](https://www.baeldung.com/java-start-thread)
|
||||
|
|
|
|||
|
|
@ -6,7 +6,7 @@
|
|||
- [How to Read a Large File Efficiently with Java](http://www.baeldung.com/java-read-lines-large-file)
|
||||
- [Java InputStream to String](http://www.baeldung.com/convert-input-stream-to-string)
|
||||
- [Java – Write to File](http://www.baeldung.com/java-write-to-file)
|
||||
- [Java - Convert File to InputStream](http://www.baeldung.com/convert-file-to-input-stream)
|
||||
- [Java – Convert File to InputStream](http://www.baeldung.com/convert-file-to-input-stream)
|
||||
- [Java Scanner](http://www.baeldung.com/java-scanner)
|
||||
- [Java – Byte Array to Writer](http://www.baeldung.com/java-convert-byte-array-to-writer)
|
||||
- [Java – Directory Size](http://www.baeldung.com/java-folder-size)
|
||||
|
|
@ -14,7 +14,7 @@
|
|||
- [File Size in Java](http://www.baeldung.com/java-file-size)
|
||||
- [Comparing getPath(), getAbsolutePath(), and getCanonicalPath() in Java](http://www.baeldung.com/java-path)
|
||||
- [Using Java MappedByteBuffer](http://www.baeldung.com/java-mapped-byte-buffer)
|
||||
- [Copy a File with Java](http://www.baeldung.com/java-copy-file)
|
||||
- [How to Copy a File with Java](http://www.baeldung.com/java-copy-file)
|
||||
- [Java – Append Data to a File](http://www.baeldung.com/java-append-to-file)
|
||||
- [FileNotFoundException in Java](http://www.baeldung.com/java-filenotfound-exception)
|
||||
- [How to Read a File in Java](http://www.baeldung.com/reading-file-in-java)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,165 @@
|
|||
package com.baeldung.filechannel;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.RandomAccessFile;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.MappedByteBuffer;
|
||||
import java.nio.channels.FileChannel;
|
||||
import java.nio.channels.FileLock;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class FileChannelUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenFile_whenReadWithFileChannelUsingRandomAccessFile_thenCorrect() throws IOException {
|
||||
|
||||
try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r");
|
||||
FileChannel channel = reader.getChannel();
|
||||
ByteArrayOutputStream out = new ByteArrayOutputStream();) {
|
||||
|
||||
int bufferSize = 1024;
|
||||
if (bufferSize > channel.size()) {
|
||||
bufferSize = (int) channel.size();
|
||||
}
|
||||
ByteBuffer buff = ByteBuffer.allocate(bufferSize);
|
||||
|
||||
while (channel.read(buff) > 0) {
|
||||
out.write(buff.array(), 0, buff.position());
|
||||
buff.clear();
|
||||
}
|
||||
|
||||
String fileContent = new String(out.toByteArray(), StandardCharsets.UTF_8);
|
||||
|
||||
assertEquals("Hello world", fileContent);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFile_whenReadWithFileChannelUsingFileInputStream_thenCorrect() throws IOException {
|
||||
|
||||
try (ByteArrayOutputStream out = new ByteArrayOutputStream();
|
||||
FileInputStream fin = new FileInputStream("src/test/resources/test_read.in");
|
||||
FileChannel channel = fin.getChannel();) {
|
||||
|
||||
int bufferSize = 1024;
|
||||
if (bufferSize > channel.size()) {
|
||||
bufferSize = (int) channel.size();
|
||||
}
|
||||
ByteBuffer buff = ByteBuffer.allocate(bufferSize);
|
||||
|
||||
while (channel.read(buff) > 0) {
|
||||
out.write(buff.array(), 0, buff.position());
|
||||
buff.clear();
|
||||
}
|
||||
String fileContent = new String(out.toByteArray(), StandardCharsets.UTF_8);
|
||||
|
||||
assertEquals("Hello world", fileContent);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFile_whenReadAFileSectionIntoMemoryWithFileChannel_thenCorrect() throws IOException {
|
||||
|
||||
try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r");
|
||||
FileChannel channel = reader.getChannel();
|
||||
ByteArrayOutputStream out = new ByteArrayOutputStream();) {
|
||||
|
||||
MappedByteBuffer buff = channel.map(FileChannel.MapMode.READ_ONLY, 6, 5);
|
||||
|
||||
if (buff.hasRemaining()) {
|
||||
byte[] data = new byte[buff.remaining()];
|
||||
buff.get(data);
|
||||
assertEquals("world", new String(data, StandardCharsets.UTF_8));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenWriteWithFileChannelUsingRandomAccessFile_thenCorrect() throws IOException {
|
||||
String file = "src/test/resources/test_write_using_filechannel.txt";
|
||||
try (RandomAccessFile writer = new RandomAccessFile(file, "rw");
|
||||
FileChannel channel = writer.getChannel();) {
|
||||
ByteBuffer buff = ByteBuffer.wrap("Hello world".getBytes(StandardCharsets.UTF_8));
|
||||
|
||||
channel.write(buff);
|
||||
|
||||
// now we verify whether the file was written correctly
|
||||
RandomAccessFile reader = new RandomAccessFile(file, "r");
|
||||
assertEquals("Hello world", reader.readLine());
|
||||
reader.close();
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFile_whenWriteAFileUsingLockAFileSectionWithFileChannel_thenCorrect() throws IOException {
|
||||
try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "rw");
|
||||
FileChannel channel = reader.getChannel();
|
||||
FileLock fileLock = channel.tryLock(6, 5, Boolean.FALSE);) {
|
||||
|
||||
assertNotNull(fileLock);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFile_whenReadWithFileChannelGetPosition_thenCorrect() throws IOException {
|
||||
|
||||
try (ByteArrayOutputStream out = new ByteArrayOutputStream();
|
||||
RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r");
|
||||
FileChannel channel = reader.getChannel();) {
|
||||
|
||||
int bufferSize = 1024;
|
||||
if (bufferSize > channel.size()) {
|
||||
bufferSize = (int) channel.size();
|
||||
}
|
||||
ByteBuffer buff = ByteBuffer.allocate(bufferSize);
|
||||
|
||||
while (channel.read(buff) > 0) {
|
||||
out.write(buff.array(), 0, buff.position());
|
||||
buff.clear();
|
||||
}
|
||||
|
||||
// the original file is 11 bytes long, so that's where the position pointer should be
|
||||
assertEquals(11, channel.position());
|
||||
|
||||
channel.position(4);
|
||||
assertEquals(4, channel.position());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenGetFileSize_thenCorrect() throws IOException {
|
||||
|
||||
try (RandomAccessFile reader = new RandomAccessFile("src/test/resources/test_read.in", "r");
|
||||
FileChannel channel = reader.getChannel();) {
|
||||
|
||||
// the original file is 11 bytes long, so that's where the position pointer should be
|
||||
assertEquals(11, channel.size());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenTruncateFile_thenCorrect() throws IOException {
|
||||
String input = "this is a test input";
|
||||
|
||||
FileOutputStream fout = new FileOutputStream("src/test/resources/test_truncate.txt");
|
||||
FileChannel channel = fout.getChannel();
|
||||
|
||||
ByteBuffer buff = ByteBuffer.wrap(input.getBytes());
|
||||
channel.write(buff);
|
||||
buff.flip();
|
||||
|
||||
channel = channel.truncate(5);
|
||||
assertEquals(5, channel.size());
|
||||
|
||||
fout.close();
|
||||
channel.close();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1 @@
|
|||
this
|
||||
|
|
@ -0,0 +1 @@
|
|||
Hello world
|
||||
|
|
@ -3,4 +3,4 @@
|
|||
## Core Java JVM Cookbooks and Examples
|
||||
|
||||
### Relevant Articles:
|
||||
- [Method Inlining in the JVM](http://www.baeldung.com/method-inlining-in-the-jvm/)
|
||||
- [Method Inlining in the JVM](https://www.baeldung.com/jvm-method-inlining)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,19 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>core-java-lambdas</artifactId>
|
||||
<version>0.1.0-SNAPSHOT</version>
|
||||
<name>core-java</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-java</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../parent-java</relativePath>
|
||||
</parent>
|
||||
|
||||
|
||||
</project>
|
||||
|
|
@ -0,0 +1,88 @@
|
|||
package com.baeldung.lambdas;
|
||||
|
||||
import java.util.Random;
|
||||
import java.util.concurrent.ExecutorService;
|
||||
import java.util.concurrent.Executors;
|
||||
import java.util.function.Supplier;
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
/**
|
||||
* Class with examples about working with capturing lambdas.
|
||||
*/
|
||||
public class LambdaVariables {
|
||||
|
||||
private volatile boolean run = true;
|
||||
private int start = 0;
|
||||
|
||||
private ExecutorService executor = Executors.newFixedThreadPool(3);
|
||||
|
||||
public static void main(String[] args) {
|
||||
new LambdaVariables().localVariableMultithreading();
|
||||
}
|
||||
|
||||
Supplier<Integer> incrementer(int start) {
|
||||
return () -> start; // can't modify start parameter inside the lambda
|
||||
}
|
||||
|
||||
Supplier<Integer> incrementer() {
|
||||
return () -> start++;
|
||||
}
|
||||
|
||||
public void localVariableMultithreading() {
|
||||
boolean run = true;
|
||||
executor.execute(() -> {
|
||||
while (run) {
|
||||
// do operation
|
||||
}
|
||||
});
|
||||
// commented because it doesn't compile, it's just an example of non-final local variables in lambdas
|
||||
// run = false;
|
||||
}
|
||||
|
||||
public void instanceVariableMultithreading() {
|
||||
executor.execute(() -> {
|
||||
while (run) {
|
||||
// do operation
|
||||
}
|
||||
});
|
||||
|
||||
run = false;
|
||||
}
|
||||
|
||||
/**
|
||||
* WARNING: always avoid this workaround!!
|
||||
*/
|
||||
public void workaroundSingleThread() {
|
||||
int[] holder = new int[] { 2 };
|
||||
IntStream sums = IntStream
|
||||
.of(1, 2, 3)
|
||||
.map(val -> val + holder[0]);
|
||||
|
||||
holder[0] = 0;
|
||||
|
||||
System.out.println(sums.sum());
|
||||
}
|
||||
|
||||
/**
|
||||
* WARNING: always avoid this workaround!!
|
||||
*/
|
||||
public void workaroundMultithreading() {
|
||||
int[] holder = new int[] { 2 };
|
||||
Runnable runnable = () -> System.out.println(IntStream
|
||||
.of(1, 2, 3)
|
||||
.map(val -> val + holder[0])
|
||||
.sum());
|
||||
|
||||
new Thread(runnable).start();
|
||||
|
||||
// simulating some processing
|
||||
try {
|
||||
Thread.sleep(new Random().nextInt(3) * 1000L);
|
||||
} catch (InterruptedException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
|
||||
holder[0] = 0;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
target/
|
||||
.idea/
|
||||
bin/
|
||||
*.iml
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
=========
|
||||
|
||||
## Core Java Lang OOP 2 Cookbooks and Examples
|
||||
|
||||
### Relevant Articles:
|
||||
- [Generic Constructors in Java](https://www.baeldung.com/java-generic-constructors)
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>core-java-lang-oop-2</artifactId>
|
||||
<version>0.1.0-SNAPSHOT</version>
|
||||
<name>core-java-lang-oop-2</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-java</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../parent-java</relativePath>
|
||||
</parent>
|
||||
|
||||
<build>
|
||||
<finalName>core-java-lang-oop-2</finalName>
|
||||
<resources>
|
||||
<resource>
|
||||
<directory>src/main/resources</directory>
|
||||
<filtering>true</filtering>
|
||||
</resource>
|
||||
</resources>
|
||||
</build>
|
||||
|
||||
</project>
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
package com.baeldung.anonymous;
|
||||
|
||||
public class Book {
|
||||
|
||||
final String title;
|
||||
|
||||
public Book(String title) {
|
||||
this.title = title;
|
||||
}
|
||||
|
||||
public String description() {
|
||||
return "Title: " + title;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
package com.baeldung.anonymous;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Code snippet that illustrates the usage of anonymous classes.
|
||||
*
|
||||
* Note that use of Runnable instances in this example does not demonstrate their
|
||||
* common use.
|
||||
*
|
||||
* @author A. Shcherbakov
|
||||
*
|
||||
*/
|
||||
public class Main {
|
||||
|
||||
public static void main(String[] args) {
|
||||
final List<Runnable> actions = new ArrayList<Runnable>(2);
|
||||
|
||||
Runnable action = new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
System.out.println("Hello from runnable.");
|
||||
}
|
||||
|
||||
};
|
||||
actions.add(action);
|
||||
|
||||
Book book = new Book("Design Patterns") {
|
||||
@Override
|
||||
public String description() {
|
||||
return "Famous GoF book.";
|
||||
}
|
||||
};
|
||||
|
||||
System.out.println(String.format("Title: %s, description: %s", book.title, book.description()));
|
||||
|
||||
actions.add(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
System.out.println("Hello from runnable #2.");
|
||||
|
||||
}
|
||||
});
|
||||
|
||||
int count = 1;
|
||||
|
||||
Runnable action2 = new Runnable() {
|
||||
static final int x = 0;
|
||||
// static int y = 0;
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
System.out.println(String.format("Runnable with captured variables: count = %s, x = %s", count, x));
|
||||
}
|
||||
};
|
||||
actions.add(action2);
|
||||
|
||||
for (Runnable a : actions) {
|
||||
a.run();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
package com.baeldung.generics;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
public class Entry {
|
||||
private String data;
|
||||
private int rank;
|
||||
|
||||
// non-generic constructor
|
||||
public Entry(String data, int rank) {
|
||||
this.data = data;
|
||||
this.rank = rank;
|
||||
}
|
||||
|
||||
// generic constructor
|
||||
public <E extends Rankable & Serializable> Entry(E element) {
|
||||
this.data = element.toString();
|
||||
this.rank = element.getRank();
|
||||
}
|
||||
|
||||
// getters and setters
|
||||
public String getData() {
|
||||
return data;
|
||||
}
|
||||
|
||||
public void setData(String data) {
|
||||
this.data = data;
|
||||
}
|
||||
|
||||
public int getRank() {
|
||||
return rank;
|
||||
}
|
||||
|
||||
public void setRank(int rank) {
|
||||
this.rank = rank;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,53 @@
|
|||
package com.baeldung.generics;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.Optional;
|
||||
|
||||
public class GenericEntry<T> {
|
||||
private T data;
|
||||
private int rank;
|
||||
|
||||
// non-generic constructor
|
||||
public GenericEntry(int rank) {
|
||||
this.rank = rank;
|
||||
}
|
||||
|
||||
// generic constructor
|
||||
public GenericEntry(T data, int rank) {
|
||||
this.data = data;
|
||||
this.rank = rank;
|
||||
}
|
||||
|
||||
// generic constructor with different type
|
||||
public <E extends Rankable & Serializable> GenericEntry(E element) {
|
||||
this.data = (T) element;
|
||||
this.rank = element.getRank();
|
||||
}
|
||||
|
||||
// generic constructor with different type and wild card
|
||||
public GenericEntry(Optional<? extends Rankable> optional) {
|
||||
if (optional.isPresent()) {
|
||||
this.data = (T) optional.get();
|
||||
this.rank = optional.get()
|
||||
.getRank();
|
||||
}
|
||||
}
|
||||
|
||||
// getters and setters
|
||||
public T getData() {
|
||||
return data;
|
||||
}
|
||||
|
||||
public void setData(T data) {
|
||||
this.data = data;
|
||||
}
|
||||
|
||||
public int getRank() {
|
||||
return rank;
|
||||
}
|
||||
|
||||
public void setRank(int rank) {
|
||||
this.rank = rank;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,34 @@
|
|||
package com.baeldung.generics;
|
||||
|
||||
public class MapEntry<K, V> {
|
||||
private K key;
|
||||
private V value;
|
||||
|
||||
public MapEntry() {
|
||||
super();
|
||||
}
|
||||
|
||||
// generic constructor with two parameters
|
||||
public MapEntry(K key, V value) {
|
||||
this.key = key;
|
||||
this.value = value;
|
||||
}
|
||||
|
||||
// getters and setters
|
||||
public K getKey() {
|
||||
return key;
|
||||
}
|
||||
|
||||
public void setKey(K key) {
|
||||
this.key = key;
|
||||
}
|
||||
|
||||
public V getValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
public void setValue(V value) {
|
||||
this.value = value;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
package com.baeldung.generics;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
public class Product implements Rankable, Serializable {
|
||||
private String name;
|
||||
private double price;
|
||||
private int sales;
|
||||
|
||||
public Product(String name, double price) {
|
||||
this.name = name;
|
||||
this.price = price;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getRank() {
|
||||
return sales;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Product [name=" + name + ", price=" + price + ", sales=" + sales + "]";
|
||||
}
|
||||
|
||||
// getters and setters
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public double getPrice() {
|
||||
return price;
|
||||
}
|
||||
|
||||
public void setPrice(double price) {
|
||||
this.price = price;
|
||||
}
|
||||
|
||||
public int getSales() {
|
||||
return sales;
|
||||
}
|
||||
|
||||
public void setSales(int sales) {
|
||||
this.sales = sales;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
package com.baeldung.generics;
|
||||
|
||||
public interface Rankable {
|
||||
public int getRank();
|
||||
}
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
package com.baeldung.supertypecompilerexception;
|
||||
|
||||
public class MyClass {
|
||||
|
||||
private int myField1 = 10;
|
||||
private int myField2;
|
||||
|
||||
public MyClass() {
|
||||
//uncomment this to see the supertype compiler error:
|
||||
//this(myField1);
|
||||
}
|
||||
|
||||
public MyClass(int i) {
|
||||
myField2 = i;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
package com.baeldung.supertypecompilerexception;
|
||||
|
||||
public class MyClassSolution1 {
|
||||
|
||||
private int myField1 = 10;
|
||||
private int myField2;
|
||||
|
||||
public MyClassSolution1() {
|
||||
myField2 = myField1;
|
||||
}
|
||||
|
||||
public MyClassSolution1(int i) {
|
||||
myField2 = i;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
package com.baeldung.supertypecompilerexception;
|
||||
|
||||
public class MyClassSolution2 {
|
||||
|
||||
private int myField1 = 10;
|
||||
private int myField2;
|
||||
|
||||
public MyClassSolution2() {
|
||||
setupMyFields(myField1);
|
||||
}
|
||||
|
||||
public MyClassSolution2(int i) {
|
||||
setupMyFields(i);
|
||||
}
|
||||
|
||||
private void setupMyFields(int i) {
|
||||
myField2 = i;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
package com.baeldung.supertypecompilerexception;
|
||||
|
||||
public class MyClassSolution3 {
|
||||
|
||||
private static final int SOME_CONSTANT = 10;
|
||||
private int myField2;
|
||||
|
||||
public MyClassSolution3() {
|
||||
this(SOME_CONSTANT);
|
||||
}
|
||||
|
||||
public MyClassSolution3(int i) {
|
||||
myField2 = i;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
package com.baeldung.supertypecompilerexception;
|
||||
|
||||
public class MyException extends RuntimeException {
|
||||
private int errorCode = 0;
|
||||
|
||||
public MyException(String message) {
|
||||
//uncomment this to see the supertype compiler error:
|
||||
//super(message + getErrorCode());
|
||||
}
|
||||
|
||||
public int getErrorCode() {
|
||||
return errorCode;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
package com.baeldung.generics;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertNull;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.Optional;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class GenericConstructorUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenNonGenericConstructor_whenCreateNonGenericEntry_thenOK() {
|
||||
Entry entry = new Entry("sample", 1);
|
||||
|
||||
assertEquals("sample", entry.getData());
|
||||
assertEquals(1, entry.getRank());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenGenericConstructor_whenCreateNonGenericEntry_thenOK() {
|
||||
Product product = new Product("milk", 2.5);
|
||||
product.setSales(30);
|
||||
Entry entry = new Entry(product);
|
||||
|
||||
assertEquals(product.toString(), entry.getData());
|
||||
assertEquals(30, entry.getRank());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenNonGenericConstructor_whenCreateGenericEntry_thenOK() {
|
||||
GenericEntry<String> entry = new GenericEntry<String>(1);
|
||||
|
||||
assertNull(entry.getData());
|
||||
assertEquals(1, entry.getRank());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenGenericConstructor_whenCreateGenericEntry_thenOK() {
|
||||
GenericEntry<String> entry = new GenericEntry<String>("sample", 1);
|
||||
|
||||
assertEquals("sample", entry.getData());
|
||||
assertEquals(1, entry.getRank());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenGenericConstructorWithDifferentType_whenCreateGenericEntry_thenOK() {
|
||||
Product product = new Product("milk", 2.5);
|
||||
product.setSales(30);
|
||||
GenericEntry<Serializable> entry = new GenericEntry<Serializable>(product);
|
||||
|
||||
assertEquals(product, entry.getData());
|
||||
assertEquals(30, entry.getRank());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenGenericConstructorWithWildCard_whenCreateGenericEntry_thenOK() {
|
||||
Product product = new Product("milk", 2.5);
|
||||
product.setSales(30);
|
||||
Optional<Product> optional = Optional.of(product);
|
||||
GenericEntry<Serializable> entry = new GenericEntry<Serializable>(optional);
|
||||
|
||||
assertEquals(product, entry.getData());
|
||||
assertEquals(30, entry.getRank());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenGenericConstructor_whenCreateGenericEntryWithTwoTypes_thenOK() {
|
||||
MapEntry<String, Integer> entry = new MapEntry<String, Integer>("sample", 1);
|
||||
|
||||
assertEquals("sample", entry.getKey());
|
||||
assertEquals(1, entry.getValue()
|
||||
.intValue());
|
||||
}
|
||||
}
|
||||
|
|
@ -10,7 +10,7 @@
|
|||
- [How to Make a Deep Copy of an Object in Java](http://www.baeldung.com/java-deep-copy)
|
||||
- [Guide to Inheritance in Java](http://www.baeldung.com/java-inheritance)
|
||||
- [Object Type Casting in Java](http://www.baeldung.com/java-type-casting)
|
||||
- [The "final" Keyword in Java](http://www.baeldung.com/java-final)
|
||||
- [The “final” Keyword in Java](http://www.baeldung.com/java-final)
|
||||
- [Type Erasure in Java Explained](http://www.baeldung.com/java-type-erasure)
|
||||
- [Pass-By-Value as a Parameter Passing Mechanism in Java](http://www.baeldung.com/java-pass-by-value-or-pass-by-reference)
|
||||
- [Variable and Method Hiding in Java](http://www.baeldung.com/java-variable-method-hiding)
|
||||
|
|
|
|||
|
|
@ -12,7 +12,7 @@
|
|||
- [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies)
|
||||
- [Java Double Brace Initialization](http://www.baeldung.com/java-double-brace-initialization)
|
||||
- [Guide to the Diamond Operator in Java](http://www.baeldung.com/java-diamond-operator)
|
||||
- [Quick Example - Comparator vs Comparable in Java](http://www.baeldung.com/java-comparator-comparable)
|
||||
- [Comparator and Comparable in Java](http://www.baeldung.com/java-comparator-comparable)
|
||||
- [The Java continue and break Keywords](http://www.baeldung.com/java-continue-and-break)
|
||||
- [Nested Classes in Java](http://www.baeldung.com/java-nested-classes)
|
||||
- [A Guide to Inner Interfaces in Java](http://www.baeldung.com/java-inner-interfaces)
|
||||
|
|
|
|||
|
|
@ -15,3 +15,4 @@
|
|||
- [Guide to Java URL Encoding/Decoding](http://www.baeldung.com/java-url-encoding-decoding)
|
||||
- [Do a Simple HTTP Request in Java](http://www.baeldung.com/java-http-request)
|
||||
- [Difference between URL and URI](http://www.baeldung.com/java-url-vs-uri)
|
||||
- [Read an InputStream using the Java Server Socket](https://www.baeldung.com/java-inputstream-server-socket)
|
||||
|
|
|
|||
|
|
@ -17,8 +17,8 @@ public class ProxyAcceptCookiePolicy implements CookiePolicy {
|
|||
host = uri.getHost();
|
||||
}
|
||||
|
||||
if (!HttpCookie.domainMatches(acceptedProxy, host)) {
|
||||
return false;
|
||||
if (HttpCookie.domainMatches(acceptedProxy, host)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
return CookiePolicy.ACCEPT_ORIGINAL_SERVER.shouldAccept(uri, cookie);
|
||||
|
|
|
|||
|
|
@ -29,7 +29,7 @@
|
|||
- [What is the serialVersionUID?](http://www.baeldung.com/java-serial-version-uid)
|
||||
- [A Guide to the ResourceBundle](http://www.baeldung.com/java-resourcebundle)
|
||||
- [Class Loaders in Java](http://www.baeldung.com/java-classloaders)
|
||||
- [Guide to Java Clock Class](http://www.baeldung.com/java-clock)
|
||||
- [Guide to the Java Clock Class](http://www.baeldung.com/java-clock)
|
||||
- [Importance of Main Manifest Attribute in a Self-Executing JAR](http://www.baeldung.com/java-jar-executable-manifest-main-class)
|
||||
- [Java Global Exception Handler](http://www.baeldung.com/java-global-exception-handler)
|
||||
- [How to Get the Size of an Object in Java](http://www.baeldung.com/java-size-of-object)
|
||||
|
|
|
|||
|
|
@ -2,5 +2,8 @@
|
|||
|
||||
- [Void Type in Kotlin](https://www.baeldung.com/kotlin-void-type)
|
||||
- [How to use Kotlin Range Expressions](https://www.baeldung.com/kotlin-ranges)
|
||||
- [Creating a Kotlin Range Iterator on a Custom Object](https://www.baeldung.com/kotlin-custom-range-iterator)
|
||||
- [Kotlin Scope Functions](https://www.baeldung.com/kotlin-scope-functions)
|
||||
- [Kotlin Annotations](https://www.baeldung.com/kotlin-annotations)
|
||||
- [Split a List into Parts in Kotlin](https://www.baeldung.com/kotlin-split-list-into-parts)
|
||||
- [String Comparison in Kotlin](https://www.baeldung.com/kotlin-string-comparison)
|
||||
|
|
@ -5,7 +5,7 @@ version '1.0-SNAPSHOT'
|
|||
|
||||
|
||||
buildscript {
|
||||
ext.kotlin_version = '1.2.41'
|
||||
ext.kotlin_version = '1.3.30'
|
||||
|
||||
repositories {
|
||||
mavenCentral()
|
||||
|
|
@ -26,8 +26,6 @@ sourceCompatibility = 1.8
|
|||
compileKotlin { kotlinOptions.jvmTarget = "1.8" }
|
||||
compileTestKotlin { kotlinOptions.jvmTarget = "1.8" }
|
||||
|
||||
kotlin { experimental { coroutines "enable" } }
|
||||
|
||||
repositories {
|
||||
mavenCentral()
|
||||
jcenter()
|
||||
|
|
@ -39,10 +37,22 @@ sourceSets {
|
|||
srcDirs 'com/baeldung/ktor'
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
test {
|
||||
useJUnitPlatform()
|
||||
testLogging {
|
||||
events "passed", "skipped", "failed"
|
||||
}
|
||||
}
|
||||
|
||||
dependencies {
|
||||
compile "ch.qos.logback:logback-classic:1.2.1"
|
||||
testCompile group: 'junit', name: 'junit', version: '4.12'
|
||||
implementation "ch.qos.logback:logback-classic:1.2.1"
|
||||
implementation "org.jetbrains.kotlin:kotlin-stdlib:${kotlin_version}"
|
||||
testImplementation 'org.junit.jupiter:junit-jupiter:5.4.2'
|
||||
testImplementation 'junit:junit:4.12'
|
||||
testImplementation 'org.assertj:assertj-core:3.12.2'
|
||||
testImplementation 'org.mockito:mockito-core:2.27.0'
|
||||
testImplementation "org.jetbrains.kotlin:kotlin-test:${kotlin_version}"
|
||||
testImplementation "org.jetbrains.kotlin:kotlin-test-junit5:${kotlin_version}"
|
||||
}
|
||||
Binary file not shown.
|
|
@ -1,5 +1,5 @@
|
|||
distributionBase=GRADLE_USER_HOME
|
||||
distributionPath=wrapper/dists
|
||||
distributionUrl=https\://services.gradle.org/distributions/gradle-5.4-bin.zip
|
||||
zipStoreBase=GRADLE_USER_HOME
|
||||
zipStorePath=wrapper/dists
|
||||
distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-bin.zip
|
||||
|
|
|
|||
|
|
@ -1,5 +1,21 @@
|
|||
#!/usr/bin/env sh
|
||||
|
||||
#
|
||||
# Copyright 2015 the original author or authors.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
|
||||
##############################################################################
|
||||
##
|
||||
## Gradle start up script for UN*X
|
||||
|
|
@ -28,7 +44,7 @@ APP_NAME="Gradle"
|
|||
APP_BASE_NAME=`basename "$0"`
|
||||
|
||||
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||
DEFAULT_JVM_OPTS=""
|
||||
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
|
||||
|
||||
# Use the maximum available, or set MAX_FD != -1 to use that value.
|
||||
MAX_FD="maximum"
|
||||
|
|
|
|||
|
|
@ -1,3 +1,19 @@
|
|||
@rem
|
||||
@rem Copyright 2015 the original author or authors.
|
||||
@rem
|
||||
@rem Licensed under the Apache License, Version 2.0 (the "License");
|
||||
@rem you may not use this file except in compliance with the License.
|
||||
@rem You may obtain a copy of the License at
|
||||
@rem
|
||||
@rem http://www.apache.org/licenses/LICENSE-2.0
|
||||
@rem
|
||||
@rem Unless required by applicable law or agreed to in writing, software
|
||||
@rem distributed under the License is distributed on an "AS IS" BASIS,
|
||||
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
@rem See the License for the specific language governing permissions and
|
||||
@rem limitations under the License.
|
||||
@rem
|
||||
|
||||
@if "%DEBUG%" == "" @echo off
|
||||
@rem ##########################################################################
|
||||
@rem
|
||||
|
|
@ -14,7 +30,7 @@ set APP_BASE_NAME=%~n0
|
|||
set APP_HOME=%DIRNAME%
|
||||
|
||||
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||
set DEFAULT_JVM_OPTS=
|
||||
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
|
||||
|
||||
@rem Find java.exe
|
||||
if defined JAVA_HOME goto findJavaFromJavaHome
|
||||
|
|
|
|||
|
|
@ -20,9 +20,21 @@
|
|||
<version>${kotlin.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.junit.platform</groupId>
|
||||
<artifactId>junit-platform-runner</artifactId>
|
||||
<version>${junit.platform.version}</version>
|
||||
<groupId>org.junit.jupiter</groupId>
|
||||
<artifactId>junit-jupiter</artifactId>
|
||||
<version>${junit.jupiter.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.mockito</groupId>
|
||||
<artifactId>mockito-core</artifactId>
|
||||
<version>${mockito.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>net.bytebuddy</groupId>
|
||||
<artifactId>byte-buddy</artifactId>
|
||||
<version>${byte-buddy.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
|
|
@ -37,6 +49,12 @@
|
|||
<version>${kotlin.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.jetbrains.kotlin</groupId>
|
||||
<artifactId>kotlin-test-junit5</artifactId>
|
||||
<version>${kotlin.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
|
|
@ -69,9 +87,10 @@
|
|||
</build>
|
||||
|
||||
<properties>
|
||||
<kotlin.version>1.2.71</kotlin.version>
|
||||
<junit.platform.version>1.1.1</junit.platform.version>
|
||||
<junit.vintage.version>5.2.0</junit.vintage.version>
|
||||
<kotlin.version>1.3.30</kotlin.version>
|
||||
<junit.jupiter.version>5.4.2</junit.jupiter.version>
|
||||
<mockito.version>2.27.0</mockito.version>
|
||||
<byte-buddy.version>1.9.12</byte-buddy.version>
|
||||
<assertj.version>3.10.0</assertj.version>
|
||||
</properties>
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,79 @@
|
|||
package com.baeldung.console
|
||||
|
||||
import org.assertj.core.api.Assertions.assertThat
|
||||
import org.junit.jupiter.api.AfterEach
|
||||
import org.junit.jupiter.api.Test
|
||||
import org.mockito.Mockito.`when`
|
||||
import org.mockito.Mockito.mock
|
||||
import java.io.BufferedReader
|
||||
import java.io.ByteArrayInputStream
|
||||
import java.io.ByteArrayOutputStream
|
||||
import java.io.Console
|
||||
import java.io.InputStreamReader
|
||||
import java.io.PrintStream
|
||||
import java.util.*
|
||||
|
||||
|
||||
class ConsoleIOUnitTest {
|
||||
|
||||
@Test
|
||||
fun givenText_whenPrint_thenPrintText() {
|
||||
val expectedTest = "Hello from Kotlin"
|
||||
val out = ByteArrayOutputStream()
|
||||
System.setOut(PrintStream(out))
|
||||
|
||||
print(expectedTest)
|
||||
out.flush()
|
||||
val printedText = String(out.toByteArray())
|
||||
|
||||
assertThat(printedText).isEqualTo(expectedTest)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun givenInput_whenRead_thenReadText() {
|
||||
val expectedTest = "Hello from Kotlin"
|
||||
val input = ByteArrayInputStream(expectedTest.toByteArray())
|
||||
System.setIn(input)
|
||||
|
||||
val readText = readLine()
|
||||
|
||||
assertThat(readText).isEqualTo(expectedTest)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun givenInput_whenReadWithScanner_thenReadText() {
|
||||
val expectedTest = "Hello from Kotlin"
|
||||
val scanner = Scanner(ByteArrayInputStream(expectedTest.toByteArray()))
|
||||
|
||||
val readText = scanner.nextLine()
|
||||
|
||||
assertThat(readText).isEqualTo(expectedTest)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun givenInput_whenReadWithBufferedReader_thenReadText() {
|
||||
val expectedTest = "Hello from Kotlin"
|
||||
val reader = BufferedReader(InputStreamReader(ByteArrayInputStream(expectedTest.toByteArray())))
|
||||
|
||||
val readText = reader.readLine()
|
||||
|
||||
assertThat(readText).isEqualTo(expectedTest)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun givenInput_whenReadWithConsole_thenReadText() {
|
||||
val expectedTest = "Hello from Kotlin"
|
||||
val console = mock(Console::class.java)
|
||||
`when`(console.readLine()).thenReturn(expectedTest)
|
||||
|
||||
val readText = console.readLine()
|
||||
|
||||
assertThat(readText).isEqualTo(expectedTest)
|
||||
}
|
||||
|
||||
@AfterEach
|
||||
fun resetIO() {
|
||||
System.setOut(System.out)
|
||||
System.setIn(System.`in`)
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1 @@
|
|||
mock-maker-inline
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
/bin/
|
||||
|
||||
#ignore gradle
|
||||
.gradle/
|
||||
|
||||
|
||||
#ignore build and generated files
|
||||
build/
|
||||
node/
|
||||
target/
|
||||
out/
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
## Relevant articles:
|
||||
|
||||
- [InputStream to String in Kotlin](https://www.baeldung.com/kotlin-inputstream-to-string)
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>core-kotlin-io</artifactId>
|
||||
<name>core-kotlin-io</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-kotlin</artifactId>
|
||||
<version>1.0.0-SNAPSHOT</version>
|
||||
<relativePath>../parent-kotlin</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.jetbrains.kotlin</groupId>
|
||||
<artifactId>kotlin-stdlib-jdk8</artifactId>
|
||||
<version>${kotlin.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.junit.platform</groupId>
|
||||
<artifactId>junit-platform-runner</artifactId>
|
||||
<version>${junit.platform.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.assertj</groupId>
|
||||
<artifactId>assertj-core</artifactId>
|
||||
<version>${assertj.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.jetbrains.kotlin</groupId>
|
||||
<artifactId>kotlin-test</artifactId>
|
||||
<version>${kotlin.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.jetbrains.kotlin</groupId>
|
||||
<artifactId>kotlin-maven-plugin</artifactId>
|
||||
<version>${kotlin.version}</version>
|
||||
<executions>
|
||||
<execution>
|
||||
<id>compile</id>
|
||||
<phase>compile</phase>
|
||||
<goals>
|
||||
<goal>compile</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
<execution>
|
||||
<id>test-compile</id>
|
||||
<phase>test-compile</phase>
|
||||
<goals>
|
||||
<goal>test-compile</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
<configuration>
|
||||
<jvmTarget>1.8</jvmTarget>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<kotlin.version>1.2.71</kotlin.version>
|
||||
<junit.platform.version>1.1.1</junit.platform.version>
|
||||
<junit.vintage.version>5.2.0</junit.vintage.version>
|
||||
<assertj.version>3.10.0</assertj.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
package com.baeldung.inputstream
|
||||
|
||||
import java.io.InputStream
|
||||
|
||||
fun InputStream.readUpToChar(stopChar: Char): String {
|
||||
val stringBuilder = StringBuilder()
|
||||
var currentChar = this.read().toChar()
|
||||
while (currentChar != stopChar) {
|
||||
stringBuilder.append(currentChar)
|
||||
currentChar = this.read().toChar()
|
||||
if (this.available() <= 0) {
|
||||
stringBuilder.append(currentChar)
|
||||
break
|
||||
}
|
||||
}
|
||||
return stringBuilder.toString()
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
package com.baeldung.inputstream
|
||||
|
||||
import kotlinx.io.core.use
|
||||
import org.junit.Test
|
||||
import java.io.BufferedReader
|
||||
import java.io.File
|
||||
import kotlin.test.assertEquals
|
||||
|
||||
class InputStreamToStringTest {
|
||||
private val fileName = "src/test/resources/inputstream2string.txt"
|
||||
private val endOfLine = System.lineSeparator()
|
||||
private val fileFullContent = "Computer programming can be a hassle$endOfLine" +
|
||||
"It's like trying to take a defended castle"
|
||||
|
||||
@Test
|
||||
fun whenReadFileWithBufferedReader_thenFullFileContentIsReadAsString() {
|
||||
val file = File(fileName)
|
||||
val inputStream = file.inputStream()
|
||||
val content = inputStream.bufferedReader().use(BufferedReader::readText)
|
||||
assertEquals(fileFullContent, content)
|
||||
}
|
||||
@Test
|
||||
fun whenReadFileWithBufferedReaderReadText_thenFullFileContentIsReadAsString() {
|
||||
val file = File(fileName)
|
||||
val inputStream = file.inputStream()
|
||||
val reader = BufferedReader(inputStream.reader())
|
||||
var content: String
|
||||
try {
|
||||
content = reader.readText()
|
||||
} finally {
|
||||
reader.close()
|
||||
}
|
||||
assertEquals(fileFullContent, content)
|
||||
}
|
||||
@Test
|
||||
fun whenReadFileWithBufferedReaderManually_thenFullFileContentIsReadAsString() {
|
||||
val file = File(fileName)
|
||||
val inputStream = file.inputStream()
|
||||
val reader = BufferedReader(inputStream.reader())
|
||||
val content = StringBuilder()
|
||||
try {
|
||||
var line = reader.readLine()
|
||||
while (line != null) {
|
||||
content.append(line)
|
||||
line = reader.readLine()
|
||||
}
|
||||
} finally {
|
||||
reader.close()
|
||||
}
|
||||
assertEquals(fileFullContent.replace(endOfLine, ""), content.toString())
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
fun whenReadFileUpToStopChar_thenPartBeforeStopCharIsReadAsString() {
|
||||
val file = File(fileName)
|
||||
val inputStream = file.inputStream()
|
||||
val content = inputStream.use { it.readUpToChar(' ') }
|
||||
assertEquals("Computer", content)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun whenReadFileWithoutContainingStopChar_thenFullFileContentIsReadAsString() {
|
||||
val file = File(fileName)
|
||||
val inputStream = file.inputStream()
|
||||
val content = inputStream.use { it.readUpToChar('-') }
|
||||
assertEquals(fileFullContent, content)
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
Computer programming can be a hassle
|
||||
It's like trying to take a defended castle
|
||||
|
|
@ -1,7 +1,7 @@
|
|||
## Relevant articles:
|
||||
|
||||
- [Introduction to the Kotlin Language](http://www.baeldung.com/kotlin)
|
||||
- [A guide to the “when{}” block in Kotlin](http://www.baeldung.com/kotlin-when)
|
||||
- [Guide to the “when{}” Block in Kotlin](http://www.baeldung.com/kotlin-when)
|
||||
- [Comprehensive Guide to Null Safety in Kotlin](http://www.baeldung.com/kotlin-null-safety)
|
||||
- [Kotlin Java Interoperability](http://www.baeldung.com/kotlin-java-interoperability)
|
||||
- [Difference Between “==” and “===” operators in Kotlin](http://www.baeldung.com/kotlin-equality-operators)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,9 @@
|
|||
@file:JvmName("Strings")
|
||||
package com.baeldung.kotlin
|
||||
|
||||
fun String.escapeForXml() : String {
|
||||
return this
|
||||
.replace("&", "&")
|
||||
.replace("<", "<")
|
||||
.replace(">", ">")
|
||||
}
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
package com.baeldung.kotlin;
|
||||
|
||||
import kotlin.text.StringsKt;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
import static com.baeldung.kotlin.Strings.*;
|
||||
|
||||
|
||||
public class StringUtilUnitTest {
|
||||
|
||||
@Test
|
||||
public void shouldEscapeXmlTagsInString() {
|
||||
String xml = "<a>hi</a>";
|
||||
|
||||
String escapedXml = escapeForXml(xml);
|
||||
|
||||
Assert.assertEquals("<a>hi</a>", escapedXml);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void callingBuiltInKotlinExtensionMethod() {
|
||||
String name = "john";
|
||||
|
||||
String capitalizedName = StringsKt.capitalize(name);
|
||||
|
||||
Assert.assertEquals("John", capitalizedName);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -6,13 +6,6 @@ import org.junit.Test
|
|||
class ExtensionMethods {
|
||||
@Test
|
||||
fun simpleExtensionMethod() {
|
||||
fun String.escapeForXml() : String {
|
||||
return this
|
||||
.replace("&", "&")
|
||||
.replace("<", "<")
|
||||
.replace(">", ">")
|
||||
}
|
||||
|
||||
Assert.assertEquals("Nothing", "Nothing".escapeForXml())
|
||||
Assert.assertEquals("<Tag>", "<Tag>".escapeForXml())
|
||||
Assert.assertEquals("a&b", "a&b".escapeForXml())
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
### Relevant Articles:
|
||||
- [Introduction to Couchbase SDK for Java](http://www.baeldung.com/java-couchbase-sdk)
|
||||
- [Using Couchbase in a Spring Application](http://www.baeldung.com/couchbase-sdk-spring)
|
||||
- [Asynchronous Batch Opereations in Couchbase](http://www.baeldung.com/async-batch-operations-in-couchbase)
|
||||
- [Asynchronous Batch Operations in Couchbase](http://www.baeldung.com/async-batch-operations-in-couchbase)
|
||||
- [Querying Couchbase with MapReduce Views](http://www.baeldung.com/couchbase-query-mapreduce-view)
|
||||
- [Querying Couchbase with N1QL](http://www.baeldung.com/n1ql-couchbase)
|
||||
|
||||
|
|
|
|||
|
|
@ -11,6 +11,6 @@
|
|||
- [Convert JSON to a Map Using Gson](https://www.baeldung.com/gson-json-to-map)
|
||||
- [Working with Primitive Values in Gson](https://www.baeldung.com/java-gson-primitives)
|
||||
- [Convert String to JsonObject with Gson](https://www.baeldung.com/gson-string-to-jsonobject)
|
||||
- [Mapping Multiple JSON Fields to One Java Field](https://www.baeldung.com/json-multiple-fields-single-java-field)
|
||||
- [Mapping Multiple JSON Fields to a Single Java Field](https://www.baeldung.com/json-multiple-fields-single-java-field)
|
||||
- [Serializing and Deserializing a List with Gson](https://www.baeldung.com/gson-list)
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,13 @@
|
|||
*.class
|
||||
|
||||
#folders#
|
||||
/target
|
||||
/neoDb*
|
||||
/data
|
||||
/src/main/webapp/WEB-INF/classes
|
||||
*/META-INF/*
|
||||
|
||||
# Packaged files #
|
||||
*.jar
|
||||
*.war
|
||||
*.ear
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>guava-collections-set</artifactId>
|
||||
<version>0.1.0-SNAPSHOT</version>
|
||||
<name>guava-collections-set</name>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-java</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../parent-java</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<!-- test scoped -->
|
||||
<dependency>
|
||||
<groupId>org.assertj</groupId>
|
||||
<artifactId>assertj-core</artifactId>
|
||||
<version>${assertj.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<finalName>guava-collections-set</finalName>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<!-- util -->
|
||||
<guava.version>27.1-jre</guava.version>
|
||||
<!-- testing -->
|
||||
<assertj.version>3.6.1</assertj.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue