Merge pull request #65 from eugenp/master

update
This commit is contained in:
Maiklins 2020-07-28 23:37:25 +02:00 committed by GitHub
commit dbbd7017c1
447 changed files with 4778 additions and 515 deletions

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@ -7,4 +7,6 @@
- [Efficiently Merge Sorted Java Sequences](https://www.baeldung.com/java-merge-sorted-sequences) - [Efficiently Merge Sorted Java Sequences](https://www.baeldung.com/java-merge-sorted-sequences)
- [Introduction to Greedy Algorithms with Java](https://www.baeldung.com/java-greedy-algorithms) - [Introduction to Greedy Algorithms with Java](https://www.baeldung.com/java-greedy-algorithms)
- [The Caesar Cipher in Java](https://www.baeldung.com/java-caesar-cipher) - [The Caesar Cipher in Java](https://www.baeldung.com/java-caesar-cipher)
- [Implementing a 2048 Solver in Java](https://www.baeldung.com/2048-java-solver)
- [Finding Top K Elements in an Array](https://www.baeldung.com/java-array-top-elements)
- More articles: [[<-- prev]](/../algorithms-miscellaneous-5) - More articles: [[<-- prev]](/../algorithms-miscellaneous-5)

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@ -6,4 +6,4 @@ This module contains articles about Apache Shiro
- [Introduction to Apache Shiro](https://www.baeldung.com/apache-shiro) - [Introduction to Apache Shiro](https://www.baeldung.com/apache-shiro)
- [Permissions-Based Access Control with Apache Shiro](https://www.baeldung.com/apache-shiro-access-control) - [Permissions-Based Access Control with Apache Shiro](https://www.baeldung.com/apache-shiro-access-control)
- [Spring Security vs Apache Shiro](https://www.baeldung.com/spring-security-vs-apache-shiro)

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@ -13,4 +13,5 @@ This module contains articles about core Groovy concepts
- [Converting a String to a Date in Groovy](https://www.baeldung.com/groovy-string-to-date) - [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) - [Guide to I/O in Groovy](https://www.baeldung.com/groovy-io)
- [Convert String to Integer in Groovy](https://www.baeldung.com/groovy-convert-string-to-integer) - [Convert String to Integer in Groovy](https://www.baeldung.com/groovy-convert-string-to-integer)
- [Groovy Variable Scope](https://www.baeldung.com/groovy/variable-scope)
- [[More -->]](/core-groovy-2) - [[More -->]](/core-groovy-2)

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@ -8,7 +8,7 @@ This module contains articles about Java 11 core features
- [Java 11 Local Variable Syntax for Lambda Parameters](https://www.baeldung.com/java-var-lambda-params) - [Java 11 Local Variable Syntax for Lambda Parameters](https://www.baeldung.com/java-var-lambda-params)
- [Java 11 String API Additions](https://www.baeldung.com/java-11-string-api) - [Java 11 String API Additions](https://www.baeldung.com/java-11-string-api)
- [Java 11 Nest Based Access Control](https://www.baeldung.com/java-nest-based-access-control) - [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) - [Exploring the New HTTP Client in Java](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) - [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) - [Guide to jlink](https://www.baeldung.com/jlink)
- [Negate a Predicate Method Reference with Java 11](https://www.baeldung.com/java-negate-predicate-method-reference) - [Negate a Predicate Method Reference with Java 11](https://www.baeldung.com/java-negate-predicate-method-reference)

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@ -1,12 +1,15 @@
package com.baeldung.modules.main; package com.baeldung.modules.main;
import com.baeldung.modules.hello.HelloInterface;
import com.baeldung.modules.hello.HelloModules; import com.baeldung.modules.hello.HelloModules;
import java.util.ServiceLoader;
public class MainApp { public class MainApp {
public static void main(String[] args) { public static void main(String[] args) {
HelloModules.doSomething(); HelloModules.doSomething();
HelloModules module = new HelloModules(); Iterable<HelloInterface> services = ServiceLoader.load(HelloInterface.class);
module.sayHello(); HelloInterface service = services.iterator().next();
service.sayHello();
} }
} }

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@ -13,3 +13,4 @@ This module contains articles about core Java features that have been introduced
- [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api) - [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api)
- [Java 9 Reactive Streams](https://www.baeldung.com/java-9-reactive-streams) - [Java 9 Reactive Streams](https://www.baeldung.com/java-9-reactive-streams)
- [Multi-Release JAR Files with Maven](https://www.baeldung.com/maven-multi-release-jars) - [Multi-Release JAR Files with Maven](https://www.baeldung.com/maven-multi-release-jars)
- [The Difference between RxJava API and the Java 9 Flow API](https://www.baeldung.com/rxjava-vs-java-flow-api)

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@ -9,3 +9,4 @@ This module contains articles about Java 9 core features
- [Iterate Through a Range of Dates in Java](https://www.baeldung.com/java-iterate-date-range) - [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) - [Initialize a HashMap in Java](https://www.baeldung.com/java-initialize-hashmap)
- [Immutable ArrayList in Java](https://www.baeldung.com/java-immutable-list) - [Immutable ArrayList in Java](https://www.baeldung.com/java-immutable-list)
- [Easy Ways to Write a Java InputStream to an OutputStream](https://www.baeldung.com/java-inputstream-to-outputstream)

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@ -5,4 +5,4 @@ This module contains complete guides about arrays in Java
### Relevant Articles: ### Relevant Articles:
- [Arrays in Java: A Reference Guide](https://www.baeldung.com/java-arrays-guide) - [Arrays in Java: A Reference Guide](https://www.baeldung.com/java-arrays-guide)
- [Guide to the java.util.Arrays Class](https://www.baeldung.com/java-util-arrays) - [Guide to the java.util.Arrays Class](https://www.baeldung.com/java-util-arrays)
- [What is [Ljava.lang.Object;?]](https://www.baeldung.com/java-tostring-array) - [What is \[Ljava.lang.Object;?](https://www.baeldung.com/java-tostring-array)

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@ -3,6 +3,7 @@
## Core Java Collections Cookbooks and Examples ## Core Java Collections Cookbooks and Examples
### Relevant Articles: ### Relevant Articles:
- [Time Comparison of Arrays.sort(Object[]) and Arrays.sort(int[])](https://www.baeldung.com/arrays-sortobject-vs-sortint) - [Time Comparison of Arrays.sort(Object[]) and Arrays.sort(int[])](https://www.baeldung.com/arrays-sortobject-vs-sortint)
- [Java ArrayList vs Vector](https://www.baeldung.com/java-arraylist-vs-vector) - [Java ArrayList vs Vector](https://www.baeldung.com/java-arraylist-vs-vector)
- [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences) - [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences)
@ -10,3 +11,4 @@
- [Performance of contains() in a HashSet vs ArrayList](https://www.baeldung.com/java-hashset-arraylist-contains-performance) - [Performance of contains() in a HashSet vs ArrayList](https://www.baeldung.com/java-hashset-arraylist-contains-performance)
- [Fail-Safe Iterator vs Fail-Fast Iterator](https://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator) - [Fail-Safe Iterator vs Fail-Fast Iterator](https://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator)
- [Quick Guide to the Java Stack](https://www.baeldung.com/java-stack) - [Quick Guide to the Java Stack](https://www.baeldung.com/java-stack)
- [Convert an Array of Primitives to a List](https://www.baeldung.com/java-primitive-array-to-list)

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@ -16,6 +16,11 @@
</parent> </parent>
<dependencies> <dependencies>
<dependency>
<groupId>org.openjdk.jol</groupId>
<artifactId>jol-core</artifactId>
<version>${jol-core.version}</version>
</dependency>
<dependency> <dependency>
<groupId>org.openjdk.jmh</groupId> <groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId> <artifactId>jmh-core</artifactId>
@ -37,6 +42,7 @@
<properties> <properties>
<openjdk.jmh.version>1.19</openjdk.jmh.version> <openjdk.jmh.version>1.19</openjdk.jmh.version>
<assertj.version>3.11.1</assertj.version> <assertj.version>3.11.1</assertj.version>
<jol-core.version>0.10</jol-core.version>
</properties> </properties>
</project> </project>

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package com.baeldung.collections.bitset;
import org.junit.Test;
import org.openjdk.jol.info.ClassLayout;
import org.openjdk.jol.info.GraphLayout;
import java.util.BitSet;
import static org.assertj.core.api.Assertions.assertThat;
public class BitSetUnitTest {
@Test
public void givenBoolArray_whenMemoryLayout_thenConsumeMoreThanOneBit() {
boolean[] bits = new boolean[1024 * 1024];
System.out.println(ClassLayout.parseInstance(bits).toPrintable());
}
@Test
public void givenBitSet_whenMemoryLayout_thenConsumeOneBitPerFlag() {
BitSet bitSet = new BitSet(1024 * 1024);
System.out.println(GraphLayout.parseInstance(bitSet).toPrintable());
}
@Test
public void givenBitSet_whenSetting_thenShouldBeTrue() {
BitSet bitSet = new BitSet();
bitSet.set(10);
assertThat(bitSet.get(10)).isTrue();
bitSet.set(20, 30);
for (int i = 20; i <= 29; i++) {
assertThat(bitSet.get(i)).isTrue();
}
assertThat(bitSet.get(30)).isFalse();
bitSet.set(10, false);
assertThat(bitSet.get(10)).isFalse();
bitSet.set(20, 30, false);
for (int i = 20; i <= 30; i++) {
assertThat(bitSet.get(i)).isFalse();
}
}
@Test
public void givenBitSet_whenClearing_thenShouldBeFalse() {
BitSet bitSet = new BitSet();
bitSet.set(42);
assertThat(bitSet.get(42)).isTrue();
bitSet.clear(42);
assertThat(bitSet.get(42)).isFalse();
bitSet.set(10, 20);
for (int i = 10; i < 20; i++) {
assertThat(bitSet.get(i)).isTrue();
}
bitSet.clear(10, 20);
for (int i = 10; i < 20; i++) {
assertThat(bitSet.get(i)).isFalse();
}
bitSet.set(10, 20);
bitSet.clear();
for (int i = 0; i < 100; i++) {
assertThat(bitSet.get(i)).isFalse();
}
}
@Test
public void givenBitSet_whenGettingElements_thenShouldReturnRequestedBits() {
BitSet bitSet = new BitSet();
bitSet.set(42);
assertThat(bitSet.get(42)).isTrue();
assertThat(bitSet.get(43)).isFalse();
bitSet.set(10, 20);
BitSet newBitSet = bitSet.get(10, 20);
for (int i = 0; i < 10; i++) {
assertThat(newBitSet.get(i)).isTrue();
}
}
@Test
public void givenBitSet_whenFlip_thenTogglesTrueToFalseAndViceVersa() {
BitSet bitSet = new BitSet();
bitSet.set(42);
bitSet.flip(42);
assertThat(bitSet.get(42)).isFalse();
bitSet.flip(12);
assertThat(bitSet.get(12)).isTrue();
bitSet.flip(30, 40);
for (int i = 30; i < 40; i++) {
assertThat(bitSet.get(i)).isTrue();
}
}
@Test
public void givenBitSet_whenGettingTheSize_thenReturnsTheSize() {
BitSet defaultBitSet = new BitSet();
assertThat(defaultBitSet.size()).isEqualTo(64);
BitSet bitSet = new BitSet(1024);
assertThat(bitSet.size()).isEqualTo(1024);
assertThat(bitSet.cardinality()).isEqualTo(0);
bitSet.set(10, 30);
assertThat(bitSet.cardinality()).isEqualTo(30 - 10);
assertThat(bitSet.length()).isEqualTo(30);
bitSet.set(100);
assertThat(bitSet.length()).isEqualTo(101);
assertThat(bitSet.isEmpty()).isFalse();
bitSet.clear();
assertThat(bitSet.isEmpty()).isTrue();
}
@Test
public void givenBitSet_whenSetOperations_thenShouldReturnAnotherBitSet() {
BitSet first = new BitSet();
first.set(5, 10);
BitSet second = new BitSet();
second.set(7, 15);
assertThat(first.intersects(second)).isTrue();
first.and(second);
assertThat(first.get(7)).isTrue();
assertThat(first.get(8)).isTrue();
assertThat(first.get(9)).isTrue();
assertThat(first.get(10)).isFalse();
first.clear();
first.set(5, 10);
first.xor(second);
for (int i = 5; i < 7; i++) {
assertThat(first.get(i)).isTrue();
}
for (int i = 10; i < 15; i++) {
assertThat(first.get(i)).isTrue();
}
}
@Test
public void givenBitSet_whenStream_thenStreamsAllSetBits() {
BitSet bitSet = new BitSet();
bitSet.set(15, 25);
bitSet.stream().forEach(System.out::println);
assertThat(bitSet.stream().count()).isEqualTo(10);
}
@Test
public void givenBitSet_whenNextOrPrev_thenReturnsTheNextOrPrevClearOrSetBit() {
BitSet bitSet = new BitSet();
bitSet.set(15, 25);
assertThat(bitSet.nextSetBit(13)).isEqualTo(15);
assertThat(bitSet.nextSetBit(25)).isEqualTo(-1);
assertThat(bitSet.nextClearBit(23)).isEqualTo(25);
assertThat(bitSet.previousClearBit(24)).isEqualTo(14);
assertThat(bitSet.previousSetBit(29)).isEqualTo(24);
assertThat(bitSet.previousSetBit(14)).isEqualTo(-1);
}
}

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@ -15,4 +15,5 @@ This module contains articles about advanced topics about multithreading with co
- [The ABA Problem in Concurrency](https://www.baeldung.com/cs/aba-concurrency) - [The ABA Problem in Concurrency](https://www.baeldung.com/cs/aba-concurrency)
- [Introduction to Lock-Free Data Structures](https://www.baeldung.com/lock-free-programming) - [Introduction to Lock-Free Data Structures](https://www.baeldung.com/lock-free-programming)
- [Introduction to Exchanger in Java](https://www.baeldung.com/java-exchanger) - [Introduction to Exchanger in Java](https://www.baeldung.com/java-exchanger)
- [Why Not To Start A Thread In The Constructor?](https://www.baeldung.com/java-thread-constructor)
- [[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2) - [[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)

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@ -3,10 +3,12 @@
This module contains articles about basic Java concurrency This module contains articles about basic Java concurrency
### Relevant Articles: ### Relevant Articles:
- [How to Delay Code Execution in Java](https://www.baeldung.com/java-delay-code-execution) - [How to Delay Code Execution in Java](https://www.baeldung.com/java-delay-code-execution)
- [wait and notify() Methods in Java](https://www.baeldung.com/java-wait-notify) - [wait and notify() Methods in Java](https://www.baeldung.com/java-wait-notify)
- [Difference Between Wait and Sleep in Java](https://www.baeldung.com/java-wait-and-sleep) - [Difference Between Wait and Sleep in Java](https://www.baeldung.com/java-wait-and-sleep)
- [Guide to the Synchronized Keyword in Java](https://www.baeldung.com/java-synchronized) - [Guide to the Synchronized Keyword in Java](https://www.baeldung.com/java-synchronized)
- [Life Cycle of a Thread in Java](https://www.baeldung.com/java-thread-lifecycle) - [Life Cycle of a Thread in Java](https://www.baeldung.com/java-thread-lifecycle)
- [Guide to AtomicMarkableReference](https://www.baeldung.com/java-atomicmarkablereference) - [Guide to AtomicMarkableReference](https://www.baeldung.com/java-atomicmarkablereference)
- [Why are Local Variables Thread-Safe in Java](https://www.baeldung.com/java-local-variables-thread-safe)
- [[<-- Prev]](/core-java-modules/core-java-concurrency-basic) - [[<-- Prev]](/core-java-modules/core-java-concurrency-basic)

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package com.baeldung.consoleout;
import java.io.Console;
public class ConsoleAndOut {
public static void main(String[] args) {
try {
printConsoleObject();
readPasswordFromConsole();
} catch (Exception ex) {
// Eating NullPointerExcpetion which will occur when this
// program will be run from mediums other than console
}
printSysOut();
}
static void printConsoleObject() {
Console console = System.console();
console.writer().print(console);
}
static void readPasswordFromConsole() {
Console console = System.console();
char[] password = console.readPassword("Enter password: ");
console.printf(String.valueOf(password));
}
static void printSysOut() {
System.out.println(System.out);
}
}

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package com.baeldung.consoleout;
import static org.junit.jupiter.api.Assertions.assertThrows;
import org.junit.jupiter.api.Test;
class ConsoleAndOutUnitTest {
@Test
void whenRetreivingConsole_thenPrintConsoleObject() {
assertThrows(NullPointerException.class, () -> {
ConsoleAndOut.printConsoleObject();
});
}
@Test
void whenReadingPassword_thenReadPassword() {
assertThrows(NullPointerException.class, () -> {
ConsoleAndOut.readPasswordFromConsole();
});
}
@Test
void whenRetrievingSysOut_thenPrintSysOutObject() {
ConsoleAndOut.printSysOut();
}
}

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@ -2,6 +2,7 @@
This module contains articles about date operations in Java. This module contains articles about date operations in Java.
### Relevant Articles: ### Relevant Articles:
- [Get the Current Date Prior to Java 8](https://www.baeldung.com/java-get-the-current-date-legacy) - [Get the Current Date Prior to Java 8](https://www.baeldung.com/java-get-the-current-date-legacy)
- [Skipping Weekends While Adding Days to LocalDate in Java 8](https://www.baeldung.com/java-localdate-add-days-skip-weekends) - [Skipping Weekends While Adding Days to LocalDate in Java 8](https://www.baeldung.com/java-localdate-add-days-skip-weekends)
- [Checking If Two Java Dates Are on the Same Day](https://www.baeldung.com/java-check-two-dates-on-same-day) - [Checking If Two Java Dates Are on the Same Day](https://www.baeldung.com/java-check-two-dates-on-same-day)
@ -9,4 +10,5 @@ This module contains articles about date operations in Java.
- [How to Set the JVM Time Zone](https://www.baeldung.com/java-jvm-time-zone) - [How to Set the JVM Time Zone](https://www.baeldung.com/java-jvm-time-zone)
- [How to determine day of week by passing specific date in Java?](https://www.baeldung.com/java-get-day-of-week) - [How to determine day of week by passing specific date in Java?](https://www.baeldung.com/java-get-day-of-week)
- [Finding Leap Years in Java](https://www.baeldung.com/java-leap-year) - [Finding Leap Years in Java](https://www.baeldung.com/java-leap-year)
- [Getting the Week Number From Any Date](https://www.baeldung.com/java-get-week-number)
- [[<-- Prev]](/core-java-modules/core-java-date-operations-1) - [[<-- Prev]](/core-java-modules/core-java-date-operations-1)

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@ -12,3 +12,5 @@ This module contains articles about core java exceptions
- [Java Try with Resources](https://www.baeldung.com/java-try-with-resources) - [Java Try with Resources](https://www.baeldung.com/java-try-with-resources)
- [Java Global Exception Handler](https://www.baeldung.com/java-global-exception-handler) - [Java Global Exception Handler](https://www.baeldung.com/java-global-exception-handler)
- [How to Find an Exceptions Root Cause in Java](https://www.baeldung.com/java-exception-root-cause) - [How to Find an Exceptions Root Cause in Java](https://www.baeldung.com/java-exception-root-cause)
- [Java IOException “Too many open files”](https://www.baeldung.com/java-too-many-open-files)
- [When Does Java Throw the ExceptionInInitializerError?](https://www.baeldung.com/java-exceptionininitializererror)

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@ -13,4 +13,4 @@ This module contains articles about core Java input and output (IO)
- [How to Copy a File with Java](https://www.baeldung.com/java-copy-file) - [How to Copy a File with Java](https://www.baeldung.com/java-copy-file)
- [Create a Directory in Java](https://www.baeldung.com/java-create-directory) - [Create a Directory in Java](https://www.baeldung.com/java-create-directory)
- [Java IO vs NIO](https://www.baeldung.com/java-io-vs-nio) - [Java IO vs NIO](https://www.baeldung.com/java-io-vs-nio)
- [[<-- Prev]](/core-java-modules/core-java-io) - [[<-- Prev]](/core-java-modules/core-java-io)[[More -->]](/core-java-modules/core-java-io-3)

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@ -0,0 +1,9 @@
## Core Java IO
This module contains articles about core Java input and output (IO)
### Relevant Articles:
- [Java Create a File](https://www.baeldung.com/java-how-to-create-a-file)
- [Check If a Directory Is Empty in Java](https://www.baeldung.com/java-check-empty-directory)
- [[<-- Prev]](/core-java-modules/core-java-io-2)

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<?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-io-3</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>core-java-io-3</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../</relativePath>
</parent>
<dependencies>
<!-- utils -->
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<!-- utils -->
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<!-- logging -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
</build>
<properties>
<assertj.version>3.6.1</assertj.version>
</properties>
</project>

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package com.baeldung.createfile;
import org.apache.commons.io.FileUtils;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class CreateFileUnitTest {
private final String FILE_NAME = "src/test/resources/fileToCreate.txt";
@AfterEach
@BeforeEach
public void cleanUpFiles() {
File targetFile = new File(FILE_NAME);
targetFile.delete();
}
@Test
public void givenUsingNio_whenCreatingFile_thenCorrect() throws IOException {
Path newFilePath = Paths.get(FILE_NAME);
Files.createFile(newFilePath);
}
@Test
public void givenUsingFile_whenCreatingFile_thenCorrect() throws IOException {
File newFile = new File(FILE_NAME);
boolean success = newFile.createNewFile();
assertTrue(success);
}
@Test
public void givenUsingGuava_whenCreatingFile_thenCorrect() throws IOException {
com.google.common.io.Files.touch(new File(FILE_NAME));
}
@Test
public void givenUsingCommonsIo_whenCreatingFile_thenCorrect() throws IOException {
FileUtils.touch(new File(FILE_NAME));
}
}

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@ -0,0 +1,63 @@
package com.baeldung.emptiness;
import org.junit.Test;
import java.io.File;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.stream.Stream;
import static org.assertj.core.api.Assertions.assertThat;
public class DirectoryEmptinessUnitTest {
@Test
public void givenPath_whenInvalid_thenReturnsFalse() throws IOException {
assertThat(isEmpty(Paths.get("invalid-addr"))).isFalse();
}
@Test
public void givenPath_whenNotDirectory_thenReturnsFalse() throws IOException {
Path aFile = Paths.get(getClass().getResource("/notDir.txt").getPath());
assertThat(isEmpty(aFile)).isFalse();
}
@Test
public void givenPath_whenNotEmptyDir_thenReturnsFalse() throws IOException {
Path currentDir = new File("").toPath().toAbsolutePath();
assertThat(isEmpty(currentDir)).isFalse();
}
@Test
public void givenPath_whenIsEmpty_thenReturnsTrue() throws Exception {
Path path = Files.createTempDirectory("baeldung-empty");
assertThat(isEmpty(path)).isTrue();
}
private static boolean isEmpty(Path path) throws IOException {
if (Files.isDirectory(path)) {
try (DirectoryStream<Path> directory = Files.newDirectoryStream(path)) {
return !directory.iterator().hasNext();
}
}
return false;
}
private static boolean isEmpty2(Path path) throws IOException {
if (Files.isDirectory(path)) {
try (Stream<Path> entries = Files.list(path)) {
return !entries.findFirst().isPresent();
}
}
return false;
}
private static boolean isEmptyInefficient(Path path) {
return path.toFile().listFiles().length == 0;
}
}

View File

@ -7,7 +7,6 @@ This module contains articles about core Java input/output(IO) APIs.
- [A Guide to the Java FileReader Class](https://www.baeldung.com/java-filereader) - [A Guide to the Java FileReader Class](https://www.baeldung.com/java-filereader)
- [The Java File Class](https://www.baeldung.com/java-io-file) - [The Java File Class](https://www.baeldung.com/java-io-file)
- [Java FileWriter](https://www.baeldung.com/java-filewriter) - [Java FileWriter](https://www.baeldung.com/java-filewriter)
- [Differences Between the Java WatchService API and the Apache Commons IO Monitor Library](https://www.baeldung.com/java-watchservice-vs-apache-commons-io-monitor-library)
- [Comparing getPath(), getAbsolutePath(), and getCanonicalPath() in Java](https://www.baeldung.com/java-path) - [Comparing getPath(), getAbsolutePath(), and getCanonicalPath() in Java](https://www.baeldung.com/java-path)
- [Quick Use of FilenameFilter](https://www.baeldung.com/java-filename-filter) - [Quick Use of FilenameFilter](https://www.baeldung.com/java-filename-filter)
- [Guide to BufferedReader](https://www.baeldung.com/java-buffered-reader) - [Guide to BufferedReader](https://www.baeldung.com/java-buffered-reader)

View File

@ -8,4 +8,6 @@ This module contains articles about working with the Java Virtual Machine (JVM).
- [Measuring Object Sizes in the JVM](https://www.baeldung.com/jvm-measuring-object-sizes) - [Measuring Object Sizes in the JVM](https://www.baeldung.com/jvm-measuring-object-sizes)
- [Adding Shutdown Hooks for JVM Applications](https://www.baeldung.com/jvm-shutdown-hooks) - [Adding Shutdown Hooks for JVM Applications](https://www.baeldung.com/jvm-shutdown-hooks)
- [boolean and boolean[] Memory Layout in the JVM](https://www.baeldung.com/jvm-boolean-memory-layout) - [boolean and boolean[] Memory Layout in the JVM](https://www.baeldung.com/jvm-boolean-memory-layout)
- More articles: [[<-- prev]](/core-java-modules/core-java-jvm) - [Where Is the Array Length Stored in JVM?](https://www.baeldung.com/java-jvm-array-length)
- [Memory Address of Objects in Java](https://www.baeldung.com/java-object-memory-address)
- More articles: [[<-- prev]](/core-java-modules/core-java-jvm)

View File

@ -2,4 +2,6 @@
This module contains articles about core features in the Java language This module contains articles about core features in the Java language
- [Class.isInstance vs Class.isAssignableFrom](https://www.baeldung.com/java-isinstance-isassignablefrom)
- [Converting a Java String Into a Boolean](https://www.baeldung.com/java-string-to-boolean)
- [[<-- Prev]](/core-java-modules/core-java-lang-2) - [[<-- Prev]](/core-java-modules/core-java-lang-2)

View File

@ -39,4 +39,4 @@
<assertj.version>3.12.2</assertj.version> <assertj.version>3.12.2</assertj.version>
</properties> </properties>
</project> </project>

View File

@ -0,0 +1,23 @@
package com.baeldung.staticvariables;
public class StaticVariableDemo {
public static int i;
public static int j = 20;
public static int z;
static {
z = 30;
a = 40;
}
public static int a = 50;
public static final int b = 100;
public StaticVariableDemo() {
}
static class Nested {
public static String nestedClassStaticVariable = "test";
}
}

View File

@ -0,0 +1,113 @@
package com.baeldung.staticvariables;
import static org.assertj.core.api.Assertions.assertThat;
import java.lang.reflect.Field;
import org.junit.jupiter.api.Test;
public class StaticVariableUnitTest {
@Test
public void initializeStaticVariable_checkAssignedValues() {
try {
Class<?> staticVariableDemo = this.getClass()
.getClassLoader()
.loadClass("com.baeldung.staticvariables.StaticVariableDemo");
Field field1 = staticVariableDemo.getField("i");
assertThat(field1.getInt(staticVariableDemo)).isEqualTo(0);
Field field2 = staticVariableDemo.getField("j");
assertThat(field2.getInt(staticVariableDemo)).isEqualTo(20);
} catch (ClassNotFoundException | NoSuchFieldException | SecurityException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
@Test
public void initializeStaticVariable_checkStaticBlock() {
try {
Class<?> staticVariableDemo = this.getClass()
.getClassLoader()
.loadClass("com.baeldung.staticvariables.StaticVariableDemo");
Field field1 = staticVariableDemo.getField("z");
assertThat(field1.getInt(staticVariableDemo)).isEqualTo(30);
Field field2 = staticVariableDemo.getField("a");
assertThat(field2.getInt(staticVariableDemo)).isEqualTo(50);
} catch (ClassNotFoundException | NoSuchFieldException | SecurityException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
@Test
public void initializeStaticVariable_checkFinalValues() {
try {
Class<?> staticVariableDemo = this.getClass()
.getClassLoader()
.loadClass("com.baeldung.staticvariables.StaticVariableDemo");
Field field1 = staticVariableDemo.getField("b");
assertThat(field1.getInt(staticVariableDemo)).isEqualTo(100);
} catch (ClassNotFoundException | NoSuchFieldException | SecurityException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
@Test
public void initializeStaticVariable_checkInnerClassValues() {
try {
Class<?> staticVariableDemo = this.getClass()
.getClassLoader()
.loadClass("com.baeldung.staticvariables.StaticVariableDemo");
Class<?>[] nestedClasses = staticVariableDemo.getClasses();
for (Class<?> nestedClass : nestedClasses) {
if (nestedClass.getName()
.equals("Nested")) {
Field field1 = nestedClass.getField("nestedClassStaticVariable");
assertThat(field1.get(nestedClass)).isEqualTo("test");
}
}
} catch (ClassNotFoundException | NoSuchFieldException | SecurityException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
}

View File

@ -3,7 +3,9 @@
This module contains articles about methods in Java This module contains articles about methods in Java
### Relevant Articles: ### Relevant Articles:
- [Methods in Java](https://www.baeldung.com/java-methods) - [Methods in Java](https://www.baeldung.com/java-methods)
- [Method Overloading and Overriding in Java](https://www.baeldung.com/java-method-overload-override) - [Method Overloading and Overriding in Java](https://www.baeldung.com/java-method-overload-override)
- [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts) - [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts)
- [Guide to hashCode() in Java](https://www.baeldung.com/java-hashcode) - [Guide to hashCode() in Java](https://www.baeldung.com/java-hashcode)
- [The Covariant Return Type in Java](https://www.baeldung.com/java-covariant-return-type)

View File

@ -12,4 +12,5 @@ This module contains articles about networking in Java
- [Authentication with HttpUrlConnection](https://www.baeldung.com/java-http-url-connection) - [Authentication with HttpUrlConnection](https://www.baeldung.com/java-http-url-connection)
- [Download a File from an URL in Java](https://www.baeldung.com/java-download-file) - [Download a File from an URL in Java](https://www.baeldung.com/java-download-file)
- [Handling java.net.ConnectException](https://www.baeldung.com/java-net-connectexception) - [Handling java.net.ConnectException](https://www.baeldung.com/java-net-connectexception)
- [Getting MAC addresses in Java](https://www.baeldung.com/java-mac-address)
- [[<-- Prev]](/core-java-modules/core-java-networking) - [[<-- Prev]](/core-java-modules/core-java-networking)

View File

@ -0,0 +1,3 @@
### Relevant Articles:
- [Reading the Value of private Fields from a Different Class in Java](https://www.baeldung.com/java-reflection-read-private-field-value)

View File

@ -8,5 +8,4 @@
- [Changing Annotation Parameters At Runtime](http://www.baeldung.com/java-reflection-change-annotation-params) - [Changing Annotation Parameters At Runtime](http://www.baeldung.com/java-reflection-change-annotation-params)
- [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies) - [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies)
- [What Causes java.lang.reflect.InvocationTargetException?](https://www.baeldung.com/java-lang-reflect-invocationtargetexception) - [What Causes java.lang.reflect.InvocationTargetException?](https://www.baeldung.com/java-lang-reflect-invocationtargetexception)
- [How to Find all Getters Returning Null](http://www.baeldung.com/java-getters-returning-null)
- [How to Get a Name of a Method Being Executed?](http://www.baeldung.com/java-name-of-executing-method) - [How to Get a Name of a Method Being Executed?](http://www.baeldung.com/java-name-of-executing-method)

View File

@ -3,6 +3,7 @@
## Core Java 8 Cookbooks and Examples ## Core Java 8 Cookbooks and Examples
### Relevant Articles: ### Relevant Articles:
- [An Overview of Regular Expressions Performance in Java](https://www.baeldung.com/java-regex-performance) - [An Overview of Regular Expressions Performance in Java](https://www.baeldung.com/java-regex-performance)
- [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java) - [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java)
- [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char) - [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char)
@ -11,3 +12,4 @@
- [How to Use Regular Expressions to Replace Tokens in Strings](https://www.baeldung.com/java-regex-token-replacement) - [How to Use Regular Expressions to Replace Tokens in Strings](https://www.baeldung.com/java-regex-token-replacement)
- [Regular Expressions \s and \s+ in Java](https://www.baeldung.com/java-regex-s-splus) - [Regular Expressions \s and \s+ in Java](https://www.baeldung.com/java-regex-s-splus)
- [Validate Phone Numbers With Java Regex](https://www.baeldung.com/java-regex-validate-phone-numbers) - [Validate Phone Numbers With Java Regex](https://www.baeldung.com/java-regex-validate-phone-numbers)
- [How to Count the Number of Matches for a Regex?](https://www.baeldung.com/java-count-regex-matches)

View File

@ -9,4 +9,5 @@ This module contains articles about core Java Security
- [Hashing a Password in Java](https://www.baeldung.com/java-password-hashing) - [Hashing a Password in Java](https://www.baeldung.com/java-password-hashing)
- [SHA-256 and SHA3-256 Hashing in Java](https://www.baeldung.com/sha-256-hashing-java) - [SHA-256 and SHA3-256 Hashing in Java](https://www.baeldung.com/sha-256-hashing-java)
- [Checksums in Java](https://www.baeldung.com/java-checksums) - [Checksums in Java](https://www.baeldung.com/java-checksums)
- [How to Read PEM File to Get Public and Private Keys](https://www.baeldung.com/java-read-pem-file-keys)
- More articles: [[<-- prev]](/core-java-modules/core-java-security) - More articles: [[<-- prev]](/core-java-modules/core-java-security)

View File

@ -0,0 +1,3 @@
### Relevant Articles:
- [Version Comparison in Java](https://www.baeldung.com/java-comparing-versions)

View File

@ -72,6 +72,7 @@
<module>core-java-io</module> <module>core-java-io</module>
<module>core-java-io-2</module> <module>core-java-io-2</module>
<module>core-java-io-3</module>
<module>core-java-io-apis</module> <module>core-java-io-apis</module>
<module>core-java-io-conversions</module> <module>core-java-io-conversions</module>
<module>core-java-io-conversions-2</module> <module>core-java-io-conversions-2</module>

View File

@ -3,6 +3,7 @@
This module contains articles about core Kotlin collections. This module contains articles about core Kotlin collections.
### Relevant articles: ### Relevant articles:
- [Split a List Into Parts in Kotlin](https://www.baeldung.com/kotlin-split-list-into-parts) - [Split a List Into Parts in Kotlin](https://www.baeldung.com/kotlin-split-list-into-parts)
- [Finding an Element in a List Using Kotlin](https://www.baeldung.com/kotlin-finding-element-in-list) - [Finding an Element in a List Using Kotlin](https://www.baeldung.com/kotlin-finding-element-in-list)
- [Overview of Kotlin Collections API](https://www.baeldung.com/kotlin-collections-api) - [Overview of Kotlin Collections API](https://www.baeldung.com/kotlin-collections-api)
@ -12,3 +13,4 @@ This module contains articles about core Kotlin collections.
- [Difference between fold and reduce in Kotlin](https://www.baeldung.com/kotlin/fold-vs-reduce) - [Difference between fold and reduce in Kotlin](https://www.baeldung.com/kotlin/fold-vs-reduce)
- [Guide to Sorting in Kotlin](https://www.baeldung.com/kotlin-sort) - [Guide to Sorting in Kotlin](https://www.baeldung.com/kotlin-sort)
- [Working With Lists in Kotlin](https://www.baeldung.com/kotlin/lists) - [Working With Lists in Kotlin](https://www.baeldung.com/kotlin/lists)
- [Iterating Collections by Index in Kotlin](https://www.baeldung.com/kotlin/iterating-collections-by-index)

View File

@ -0,0 +1,33 @@
package com.baeldung.index
fun main() {
// Index only
val colors = listOf("Red", "Green", "Blue")
for (i in colors.indices) {
println(colors[i])
}
val colorArray = arrayOf("Red", "Green", "Blue")
for (i in colorArray.indices) {
println(colorArray[i])
}
(0 until colors.size).forEach { println(colors[it]) }
for (i in 0 until colors.size) {
println(colors[i])
}
// Index and Value
colors.forEachIndexed { i, v -> println("The value for index $i is $v") }
for (indexedValue in colors.withIndex()) {
println("The value for index ${indexedValue.index} is ${indexedValue.value}")
}
for ((i, v) in colors.withIndex()) {
println("The value for index $i is $v")
}
colors.filterIndexed { i, _ -> i % 2 == 0 }
colors.filterIndexed { _, v -> v == "RED" }
}

View File

@ -7,4 +7,5 @@ This module contains articles about Object-Oriented Programming in Kotlin
- [Generics in Kotlin](https://www.baeldung.com/kotlin-generics) - [Generics in Kotlin](https://www.baeldung.com/kotlin-generics)
- [Delegated Properties in Kotlin](https://www.baeldung.com/kotlin-delegated-properties) - [Delegated Properties in Kotlin](https://www.baeldung.com/kotlin-delegated-properties)
- [Delegation Pattern in Kotlin](https://www.baeldung.com/kotlin-delegation-pattern) - [Delegation Pattern in Kotlin](https://www.baeldung.com/kotlin-delegation-pattern)
- [Anonymous Inner Classes in Kotlin](https://www.baeldung.com/kotlin/anonymous-inner-classes)
- [[<-- Prev]](/core-kotlin-modules/core-kotlin-lang-oop) - [[<-- Prev]](/core-kotlin-modules/core-kotlin-lang-oop)

View File

@ -0,0 +1,41 @@
package com.baeldung.anonymous
import java.io.Serializable
import java.nio.channels.Channel
fun main() {
val channel = object : Channel {
override fun isOpen() = false
override fun close() {
}
}
val maxEntries = 10
val lruCache = object : LinkedHashMap<String, Int>(10, 0.75f) {
override fun removeEldestEntry(eldest: MutableMap.MutableEntry<String, Int>?): Boolean {
return size > maxEntries
}
}
val map = object : LinkedHashMap<String, Int>() {
// omitted
}
val serializableChannel = object : Channel, Serializable {
override fun isOpen(): Boolean {
TODO("Not yet implemented")
}
override fun close() {
TODO("Not yet implemented")
}
}
val obj = object {
val question = "answer"
val answer = 42
}
println("The ${obj.question} is ${obj.answer}")
}

View File

@ -11,3 +11,4 @@ This module contains articles about data structures in Java
- [Introduction to Big Queue](https://www.baeldung.com/java-big-queue) - [Introduction to Big Queue](https://www.baeldung.com/java-big-queue)
- [Guide to AVL Trees in Java](https://www.baeldung.com/java-avl-trees) - [Guide to AVL Trees in Java](https://www.baeldung.com/java-avl-trees)
- [Graphs in Java](https://www.baeldung.com/java-graphs) - [Graphs in Java](https://www.baeldung.com/java-graphs)
- [Implementing a Ring Buffer in Java](https://www.baeldung.com/java-ring-buffer)

View File

@ -0,0 +1,46 @@
package com.baeldung.ddd.order.config;
import org.bson.Document;
import org.joda.money.CurrencyUnit;
import org.joda.money.Money;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.convert.converter.Converter;
import org.springframework.data.convert.ReadingConverter;
import org.springframework.data.mongodb.core.convert.MongoCustomConversions;
import java.math.BigDecimal;
import java.util.Collections;
@Configuration
public class CustomMongoConfiguration {
@Bean
public MongoCustomConversions customConversions() {
return new MongoCustomConversions(Collections.singletonList(DocumentToMoneyConverter.INSTANCE));
}
@ReadingConverter
enum DocumentToMoneyConverter implements Converter<Document, Money> {
INSTANCE;
@Override
public Money convert(Document source) {
Document money = source.get("money", Document.class);
return Money.of(getCurrency(money), getAmount(money));
}
private CurrencyUnit getCurrency(Document money) {
Document currency = money.get("currency", Document.class);
String currencyCode = currency.getString("code");
return CurrencyUnit.of(currencyCode);
}
private BigDecimal getAmount(Document money) {
String amount = money.getString("amount");
return BigDecimal.valueOf(Double.parseDouble(amount));
}
}
}

View File

@ -1,19 +1,24 @@
package com.baeldung.ddd.order.jpa; package com.baeldung.ddd.order.jpa;
import static org.assertj.core.api.Assertions.assertThat;
import java.math.BigDecimal;
import java.util.Arrays;
import org.junit.jupiter.api.DisplayName; import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test; import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest; import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig; import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
import java.math.BigDecimal;
import java.util.Arrays;
import static org.assertj.core.api.Assertions.assertThat;
/*
To run this test we need to run the databases first.
A dedicated docker-compose.yml file is located under the resources directory.
We can run it by simple executing `docker-compose up`.
*/
@SpringJUnitConfig @SpringJUnitConfig
@SpringBootTest @SpringBootTest
public class PersistOrderIntegrationTest { public class PersistOrderLiveTest {
@Autowired @Autowired
private JpaOrderRepository repository; private JpaOrderRepository repository;

View File

@ -17,9 +17,14 @@ import com.baeldung.ddd.order.Order;
import com.baeldung.ddd.order.OrderLine; import com.baeldung.ddd.order.OrderLine;
import com.baeldung.ddd.order.Product; import com.baeldung.ddd.order.Product;
/*
To run this test we need to run the databases first.
A dedicated docker-compose.yml file is located under the resources directory.
We can run it by simple executing `docker-compose up`.
*/
@SpringJUnitConfig @SpringJUnitConfig
@SpringBootTest @SpringBootTest
public class OrderMongoIntegrationTest { public class OrderMongoLiveTest {
@Autowired @Autowired
private OrderMongoRepository repo; private OrderMongoRepository repo;

View File

@ -18,10 +18,15 @@ import com.baeldung.dddhexagonalspring.domain.Product;
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository; import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
import com.baeldung.dddhexagonalspring.infrastracture.repository.cassandra.SpringDataCassandraOrderRepository; import com.baeldung.dddhexagonalspring.infrastracture.repository.cassandra.SpringDataCassandraOrderRepository;
/*
To run this test we need to run the databases first.
A dedicated docker-compose.yml file is located under the resources directory.
We can run it by simple executing `docker-compose up`.
*/
@SpringJUnitConfig @SpringJUnitConfig
@SpringBootTest @SpringBootTest
@TestPropertySource("classpath:ddd-layers-test.properties") @TestPropertySource("classpath:ddd-layers-test.properties")
class CassandraDbOrderRepositoryIntegrationTest { class CassandraDbOrderRepositoryLiveTest {
@Autowired @Autowired
private SpringDataCassandraOrderRepository cassandraOrderRepository; private SpringDataCassandraOrderRepository cassandraOrderRepository;

View File

@ -18,10 +18,15 @@ import com.baeldung.dddhexagonalspring.domain.Product;
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository; import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
import com.baeldung.dddhexagonalspring.infrastracture.repository.mongo.SpringDataMongoOrderRepository; import com.baeldung.dddhexagonalspring.infrastracture.repository.mongo.SpringDataMongoOrderRepository;
/*
To run this test we need to run the databases first.
A dedicated docker-compose.yml file is located under the resources directory.
We can run it by simple executing `docker-compose up`.
*/
@SpringJUnitConfig @SpringJUnitConfig
@SpringBootTest @SpringBootTest
@TestPropertySource("classpath:ddd-layers-test.properties") @TestPropertySource("classpath:ddd-layers-test.properties")
class MongoDbOrderRepositoryIntegrationTest { class MongoDbOrderRepositoryLiveTest {
@Autowired @Autowired
private SpringDataMongoOrderRepository mongoOrderRepository; private SpringDataMongoOrderRepository mongoOrderRepository;

310
docker/docker-spring-boot/mvnw vendored Executable file
View File

@ -0,0 +1,310 @@
#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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
#
# https://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.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Maven Start Up Batch script
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# M2_HOME - location of maven2's installed home dir
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ] ; then
if [ -f /etc/mavenrc ] ; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ] ; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
mingw=false
case "`uname`" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true;;
Darwin*) darwin=true
# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
# See https://developer.apple.com/library/mac/qa/qa1170/_index.html
if [ -z "$JAVA_HOME" ]; then
if [ -x "/usr/libexec/java_home" ]; then
export JAVA_HOME="`/usr/libexec/java_home`"
else
export JAVA_HOME="/Library/Java/Home"
fi
fi
;;
esac
if [ -z "$JAVA_HOME" ] ; then
if [ -r /etc/gentoo-release ] ; then
JAVA_HOME=`java-config --jre-home`
fi
fi
if [ -z "$M2_HOME" ] ; then
## resolve links - $0 may be a link to maven's home
PRG="$0"
# need this for relative symlinks
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG="`dirname "$PRG"`/$link"
fi
done
saveddir=`pwd`
M2_HOME=`dirname "$PRG"`/..
# make it fully qualified
M2_HOME=`cd "$M2_HOME" && pwd`
cd "$saveddir"
# echo Using m2 at $M2_HOME
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --unix "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi
# For Mingw, ensure paths are in UNIX format before anything is touched
if $mingw ; then
[ -n "$M2_HOME" ] &&
M2_HOME="`(cd "$M2_HOME"; pwd)`"
[ -n "$JAVA_HOME" ] &&
JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="`which javac`"
if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=`which readlink`
if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
if $darwin ; then
javaHome="`dirname \"$javaExecutable\"`"
javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
else
javaExecutable="`readlink -f \"$javaExecutable\"`"
fi
javaHome="`dirname \"$javaExecutable\"`"
javaHome=`expr "$javaHome" : '\(.*\)/bin'`
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ] ; then
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="`which java`"
fi
fi
if [ ! -x "$JAVACMD" ] ; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ] ; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
if [ -z "$1" ]
then
echo "Path not specified to find_maven_basedir"
return 1
fi
basedir="$1"
wdir="$1"
while [ "$wdir" != '/' ] ; do
if [ -d "$wdir"/.mvn ] ; then
basedir=$wdir
break
fi
# workaround for JBEAP-8937 (on Solaris 10/Sparc)
if [ -d "${wdir}" ]; then
wdir=`cd "$wdir/.."; pwd`
fi
# end of workaround
done
echo "${basedir}"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
echo "$(tr -s '\n' ' ' < "$1")"
fi
}
BASE_DIR=`find_maven_basedir "$(pwd)"`
if [ -z "$BASE_DIR" ]; then
exit 1;
fi
##########################################################################################
# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
# This allows using the maven wrapper in projects that prohibit checking in binary data.
##########################################################################################
if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found .mvn/wrapper/maven-wrapper.jar"
fi
else
if [ "$MVNW_VERBOSE" = true ]; then
echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
fi
if [ -n "$MVNW_REPOURL" ]; then
jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
else
jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
fi
while IFS="=" read key value; do
case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
esac
done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
if [ "$MVNW_VERBOSE" = true ]; then
echo "Downloading from: $jarUrl"
fi
wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
if $cygwin; then
wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
fi
if command -v wget > /dev/null; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found wget ... using wget"
fi
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
wget "$jarUrl" -O "$wrapperJarPath"
else
wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
fi
elif command -v curl > /dev/null; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found curl ... using curl"
fi
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
curl -o "$wrapperJarPath" "$jarUrl" -f
else
curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
fi
else
if [ "$MVNW_VERBOSE" = true ]; then
echo "Falling back to using Java to download"
fi
javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
# For Cygwin, switch paths to Windows format before running javac
if $cygwin; then
javaClass=`cygpath --path --windows "$javaClass"`
fi
if [ -e "$javaClass" ]; then
if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
if [ "$MVNW_VERBOSE" = true ]; then
echo " - Compiling MavenWrapperDownloader.java ..."
fi
# Compiling the Java class
("$JAVA_HOME/bin/javac" "$javaClass")
fi
if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
# Running the downloader
if [ "$MVNW_VERBOSE" = true ]; then
echo " - Running MavenWrapperDownloader.java ..."
fi
("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
fi
fi
fi
fi
##########################################################################################
# End of extension
##########################################################################################
export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
if [ "$MVNW_VERBOSE" = true ]; then
echo $MAVEN_PROJECTBASEDIR
fi
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --path --windows "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
[ -n "$MAVEN_PROJECTBASEDIR" ] &&
MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
fi
# Provide a "standardized" way to retrieve the CLI args that will
# work with both Windows and non-Windows executions.
MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
export MAVEN_CMD_LINE_ARGS
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
exec "$JAVACMD" \
$MAVEN_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

182
docker/docker-spring-boot/mvnw.cmd vendored Normal file
View File

@ -0,0 +1,182 @@
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM https://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM set title of command window
title %0
@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
)
@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
if exist %WRAPPER_JAR% (
if "%MVNW_VERBOSE%" == "true" (
echo Found %WRAPPER_JAR%
)
) else (
if not "%MVNW_REPOURL%" == "" (
SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
)
if "%MVNW_VERBOSE%" == "true" (
echo Couldn't find %WRAPPER_JAR%, downloading it ...
echo Downloading from: %DOWNLOAD_URL%
)
powershell -Command "&{"^
"$webclient = new-object System.Net.WebClient;"^
"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
"}"^
"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
"}"
if "%MVNW_VERBOSE%" == "true" (
echo Finished downloading %WRAPPER_JAR%
)
)
@REM End of extension
@REM Provide a "standardized" way to retrieve the CLI args that will
@REM work with both Windows and non-Windows executions.
set MAVEN_CMD_LINE_ARGS=%*
%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%" == "on" pause
if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
exit /B %ERROR_CODE%

View File

@ -0,0 +1,54 @@
<?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 https://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>2.3.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.baeldung.docker</groupId>
<artifactId>spring-boot-docker</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-boot-docker</name>
<description>Demo project showing Spring Boot and Docker</description>
<properties>
<java.version>8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<layers>
<enabled>true</enabled>
</layers>
</configuration>
</plugin>
</plugins>
</build>
</project>

View File

@ -0,0 +1,15 @@
# To build, run the following command from the top level project directory:
#
# docker build -f src/main/docker/Dockerfile .
FROM adoptopenjdk:11-jre-hotspot as builder
ARG JAR_FILE=target/*.jar
COPY ${JAR_FILE} application.jar
RUN java -Djarmode=layertools -jar application.jar extract
FROM adoptopenjdk:11-jre-hotspot
COPY --from=builder dependencies/ ./
COPY --from=builder snapshot-dependencies/ ./
COPY --from=builder spring-boot-loader/ ./
COPY --from=builder application/ ./
ENTRYPOINT ["java", "org.springframework.boot.loader.JarLauncher"]

View File

@ -0,0 +1,13 @@
package com.baeldung.docker;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}

View File

@ -0,0 +1,16 @@
package com.baeldung.docker;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class HelloController {
@GetMapping("/hello")
public ResponseEntity<String> hello()
{
return ResponseEntity.ok("hello2 ");
}
}

View File

@ -1,3 +1,4 @@
### Relevant Articles: ### Relevant Articles:
- [Run a Java main Method Using Gradle](https://www.baeldung.com/gradle-run-java-main) - [Run a Java main Method Using Gradle](https://www.baeldung.com/gradle-run-java-main)
- [Finding Unused Gradle Dependencies](https://www.baeldung.com/gradle-finding-unused-dependencies)

View File

@ -1,7 +0,0 @@
## Guava
This module contains articles a Google Guava
### Relevant Articles:
- [Introduction to Guava Throwables](https://www.baeldung.com/guava-throwables)
- [Guava CharMatcher](https://www.baeldung.com/guava-string-charmatcher)

View File

@ -1,8 +1,5 @@
========= ## Guava 18
## Guava and Hamcrest Cookbooks and Examples
### Relevant Articles: ### Relevant Articles:
- [Guava Functional Cookbook](http://www.baeldung.com/guava-functions-predicates)
- [Guava 18: Whats New?](http://www.baeldung.com/whats-new-in-guava-18) - [Guava 18: Whats New?](http://www.baeldung.com/whats-new-in-guava-18)

View File

@ -1,5 +1,3 @@
=========
## Guava 19 ## Guava 19

View File

@ -1,4 +1,6 @@
## Guava 21
### Relevant articles: ### Relevant articles:
- [New Stream, Comparator and Collector in Guava 21](http://www.baeldung.com/guava-21-new) - [New Stream, Comparator and Collector in Guava 21](http://www.baeldung.com/guava-21-new)
- [New in Guava 21 common.util.concurrent](http://www.baeldung.com/guava-21-util-concurrent) - [New in Guava 21 common.util.concurrent](http://www.baeldung.com/guava-21-util-concurrent)
- [Zipping Collections in Java](http://www.baeldung.com/java-collections-zip)

View File

@ -13,17 +13,8 @@
<relativePath>../</relativePath> <relativePath>../</relativePath>
</parent> </parent>
<dependencies>
<dependency>
<groupId>org.jooq</groupId>
<artifactId>jool</artifactId>
<version>${jool.version}</version>
</dependency>
</dependencies>
<properties> <properties>
<guava.version>21.0</guava.version> <guava.version>21.0</guava.version>
<jool.version>0.9.12</jool.version>
</properties> </properties>
</project> </project>

View File

@ -0,0 +1,8 @@
## Guava Collections List examples
This module contains articles about list collections in Guava
### Relevant Articles:
- [Partition a List in Java](https://www.baeldung.com/java-list-split)
- [Guava Lists](https://www.baeldung.com/guava-lists)

View File

@ -4,15 +4,15 @@
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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"> 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> <modelVersion>4.0.0</modelVersion>
<artifactId>guava-collections</artifactId> <artifactId>guava-collections-list</artifactId>
<version>0.1.0-SNAPSHOT</version> <version>0.1.0-SNAPSHOT</version>
<name>guava-collections</name> <name>guava-collections-list</name>
<parent> <parent>
<groupId>com.baeldung</groupId> <groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId> <artifactId>guava-modules</artifactId>
<version>0.0.1-SNAPSHOT</version> <version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-java</relativePath> <relativePath>../</relativePath>
</parent> </parent>
<dependencies> <dependencies>

View File

@ -9,9 +9,9 @@
<parent> <parent>
<groupId>com.baeldung</groupId> <groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId> <artifactId>guava-modules</artifactId>
<version>0.0.1-SNAPSHOT</version> <version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-java</relativePath> <relativePath>../</relativePath>
</parent> </parent>
<dependencies> <dependencies>

View File

@ -8,9 +8,9 @@
<parent> <parent>
<groupId>com.baeldung</groupId> <groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId> <artifactId>guava-modules</artifactId>
<version>0.0.1-SNAPSHOT</version> <version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-java</relativePath> <relativePath>../</relativePath>
</parent> </parent>
<dependencies> <dependencies>

View File

@ -8,9 +8,8 @@ This module contains articles about Google Guava collections
- [Guava Ordering Cookbook](https://www.baeldung.com/guava-order) - [Guava Ordering Cookbook](https://www.baeldung.com/guava-order)
- [Guide to Guavas Ordering](https://www.baeldung.com/guava-ordering) - [Guide to Guavas Ordering](https://www.baeldung.com/guava-ordering)
- [Hamcrest Collections Cookbook](https://www.baeldung.com/hamcrest-collections-arrays) - [Hamcrest Collections Cookbook](https://www.baeldung.com/hamcrest-collections-arrays)
- [Partition a List in Java](https://www.baeldung.com/java-list-split)
- [Filtering and Transforming Collections in Guava](https://www.baeldung.com/guava-filter-and-transform-a-collection) - [Filtering and Transforming Collections in Guava](https://www.baeldung.com/guava-filter-and-transform-a-collection)
- [Guava Join and Split Collections](https://www.baeldung.com/guava-joiner-and-splitter-tutorial) - [Guava Join and Split Collections](https://www.baeldung.com/guava-joiner-and-splitter-tutorial)
- [Guava Lists](https://www.baeldung.com/guava-lists)
- [Guide to Guava MinMaxPriorityQueue and EvictingQueue](https://www.baeldung.com/guava-minmax-priority-queue-and-evicting-queue) - [Guide to Guava MinMaxPriorityQueue and EvictingQueue](https://www.baeldung.com/guava-minmax-priority-queue-and-evicting-queue)
- [Guide to Guava Table](https://www.baeldung.com/guava-table) - [Guide to Guava Table](https://www.baeldung.com/guava-table)
- [Zipping Collections in Java](http://www.baeldung.com/java-collections-zip)

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<?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>guava-collections</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>guava-collections</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>guava-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../</relativePath>
</parent>
<dependencies>
<!-- utils -->
<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.jooq</groupId>
<artifactId>jool</artifactId>
<version>${jool.version}</version>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.hamcrest/java-hamcrest -->
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>java-hamcrest</artifactId>
<version>${java-hamcrest.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>guava-collections</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.2</version>
</plugin>
</plugins>
</build>
<properties>
<!-- util -->
<commons-collections4.version>4.1</commons-collections4.version>
<jool.version>0.9.12</jool.version>
<!-- testing -->
<assertj.version>3.6.1</assertj.version>
<java-hamcrest.version>2.0.0.0</java-hamcrest.version>
<junit-jupiter.version>5.6.2</junit-jupiter.version>
</properties>
</project>

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