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Merge remote-tracking branch 'eugenp/master'

This commit is contained in:
DOHA 2018-12-04 14:13:39 +02:00
parent 186c2994a7 3addff050f
commit fe31164645
385 changed files with 4125 additions and 1140 deletions
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3
algorithms-genetic/pom.xml
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@ -1,9 +1,9 @@
<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>algorithms-genetic</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>algorithms-genetic</name>
<parent>
<groupId>com.baeldung</groupId>
@ -61,4 +61,5 @@
<commons-codec.version>1.11</commons-codec.version>
</properties>
</project>

2
algorithms-miscellaneous-1/pom.xml
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@ -1,9 +1,9 @@
<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>algorithms-miscellaneous-1</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>algorithms-miscellaneous-1</name>
<parent>
<groupId>com.baeldung</groupId>

2
algorithms-miscellaneous-2/pom.xml
View File

@ -1,9 +1,9 @@
<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>algorithms-miscellaneous-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>algorithms-miscellaneous-2</name>
<parent>
<groupId>com.baeldung</groupId>

2
algorithms-sorting/pom.xml
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@ -1,9 +1,9 @@
<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>algorithms-sorting</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>algorithms-sorting</name>
<parent>
<groupId>com.baeldung</groupId>

1
annotations/annotation-processing/pom.xml
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@ -3,6 +3,7 @@
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>annotation-processing</artifactId>
<name>annotation-processing</name>
<parent>
<groupId>com.baeldung</groupId>

1
annotations/annotation-user/pom.xml
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@ -3,6 +3,7 @@
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>annotation-user</artifactId>
<name>annotation-user</name>
<parent>
<artifactId>annotations</artifactId>

1
annotations/pom.xml
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@ -4,6 +4,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>annotations</artifactId>
<packaging>pom</packaging>
<name>annotations</name>
<parent>
<artifactId>parent-modules</artifactId>

3
apache-avro/pom.xml
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@ -3,10 +3,9 @@
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>apache-avro</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Apache Avro</name>
<name>apache-avro</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

1
apache-bval/pom.xml
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@ -4,6 +4,7 @@
<groupId>apache-bval</groupId>
<artifactId>apache-bval</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>apache-bval</name>
<parent>
<groupId>com.baeldung</groupId>

1
apache-curator/pom.xml
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@ -4,6 +4,7 @@
<artifactId>apache-curator</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>apache-curator</name>
<parent>
<groupId>com.baeldung</groupId>

1
apache-cxf/cxf-aegis/pom.xml
View File

@ -2,6 +2,7 @@
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>cxf-aegis</artifactId>
<name>cxf-aegis</name>
<parent>
<groupId>com.baeldung</groupId>

1
apache-cxf/cxf-introduction/pom.xml
View File

@ -4,6 +4,7 @@
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>cxf-introduction</artifactId>
<name>cxf-introduction</name>
<parent>
<groupId>com.baeldung</groupId>

1
apache-cxf/cxf-jaxrs-implementation/pom.xml
View File

@ -4,6 +4,7 @@
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>cxf-jaxrs-implementation</artifactId>
<name>cxf-jaxrs-implementation</name>
<parent>
<groupId>com.baeldung</groupId>

1
apache-cxf/cxf-spring/pom.xml
View File

@ -3,6 +3,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>cxf-spring</artifactId>
<packaging>war</packaging>
<name>cxf-spring</name>
<parent>
<groupId>com.baeldung</groupId>

2
apache-cxf/pom.xml
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@ -1,9 +1,9 @@
<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>apache-cxf</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>apache-cxf</name>
<packaging>pom</packaging>
<parent>

2
apache-cxf/sse-jaxrs/pom.xml
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@ -3,8 +3,8 @@
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>sse-jaxrs</artifactId>
<name>sse-jaxrs</name>
<packaging>pom</packaging>
<parent>

5
apache-cxf/sse-jaxrs/sse-jaxrs-client/pom.xml
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@ -3,6 +3,8 @@
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>sse-jaxrs-client</artifactId>
<name>sse-jaxrs-client</name>
<parent>
<groupId>com.baeldung</groupId>
@ -10,8 +12,6 @@
<version>0.0.1-SNAPSHOT</version>
</parent>
<artifactId>sse-jaxrs-client</artifactId>
<properties>
<cxf-version>3.2.0</cxf-version>
</properties>
@ -21,7 +21,6 @@
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.6.0</version>
<executions>
<execution>
<id>singleEvent</id>

6
apache-cxf/sse-jaxrs/sse-jaxrs-server/pom.xml
View File

@ -3,6 +3,9 @@
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>sse-jaxrs-server</artifactId>
<name>sse-jaxrs-server</name>
<packaging>war</packaging>
<parent>
<groupId>com.baeldung</groupId>
@ -10,9 +13,6 @@
<version>0.0.1-SNAPSHOT</version>
</parent>
<artifactId>sse-jaxrs-server</artifactId>
<packaging>war</packaging>
<properties>
<liberty-maven-plugin.version>2.4.2</liberty-maven-plugin.version>
<failOnMissingWebXml>false</failOnMissingWebXml>

3
apache-geode/pom.xml
View File

@ -3,10 +3,9 @@
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>apache-geode</artifactId>
<version>1.0-SNAPSHOT</version>
<name>apache-geode</name>
<parent>
<groupId>com.baeldung</groupId>

1
apache-opennlp/pom.xml
View File

@ -4,6 +4,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>apache-opennlp</artifactId>
<version>1.0-SNAPSHOT</version>
<name>apache-opennlp</name>
<packaging>jar</packaging>
<parent>

2
apache-poi/pom.xml
View File

@ -1,9 +1,9 @@
<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>apache-poi</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>apache-poi</name>
<parent>
<groupId>com.baeldung</groupId>

3
apache-pulsar/pom.xml
View File

@ -3,8 +3,9 @@
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung.pulsar</groupId>
<artifactId>pulsar-java</artifactId>
<artifactId>apache-pulsar</artifactId>
<version>0.0.1</version>
<name>apache-pulsar</name>
<dependencies>
<dependency>

1
apache-shiro/pom.xml
View File

@ -5,6 +5,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>apache-shiro</artifactId>
<version>1.0-SNAPSHOT</version>
<name>apache-shiro</name>
<parent>
<artifactId>parent-boot-1</artifactId>

2
apache-thrift/pom.xml
View File

@ -1,9 +1,9 @@
<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>apache-thrift</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>apache-thrift</name>
<packaging>pom</packaging>
<parent>

2
apache-tika/pom.xml
View File

@ -1,9 +1,9 @@
<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>apache-tika</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>apache-tika</name>
<parent>
<groupId>com.baeldung</groupId>

2
apache-zookeeper/pom.xml
View File

@ -1,9 +1,9 @@
<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>apache-zookeeper</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>apache-zookeeper</name>
<packaging>jar</packaging>
<parent>

1
asm/pom.xml
View File

@ -5,6 +5,7 @@
<groupId>com.baeldung.examples</groupId>
<artifactId>asm</artifactId>
<version>1.0</version>
<name>asm</name>
<packaging>jar</packaging>
<parent>

1
atomix/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>com.atomix.io</groupId>
<artifactId>atomix</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>atomix</name>
<parent>
<groupId>com.baeldung</groupId>

1
axon/pom.xml
View File

@ -3,6 +3,7 @@
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>axon</artifactId>
<name>axon</name>
<parent>
<artifactId>parent-modules</artifactId>

3
cas/cas-server/pom.xml
View File

@ -3,8 +3,9 @@
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>cas-server</artifactId>
<packaging>war</packaging>
<version>1.0</version>
<name>cas-server</name>
<packaging>war</packaging>
<parent>
<artifactId>parent-boot-1</artifactId>

2
cdi/README.md
View File

@ -1,3 +1,5 @@
### Relevant Articles:
- [CDI Interceptor vs Spring AspectJ](http://www.baeldung.com/cdi-interceptor-vs-spring-aspectj)
- [An Introduction to CDI (Contexts and Dependency Injection) in Java](http://www.baeldung.com/java-ee-cdi)
- [Introduction to the Event Notification Model in CDI 2.0](https://www.baeldung.com/cdi-event-notification)

2
cdi/pom.xml
View File

@ -2,9 +2,9 @@
<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>cdi</artifactId>
<version>1.0-SNAPSHOT</version>
<name>cdi</name>
<parent>
<groupId>com.baeldung</groupId>

1
core-groovy/pom.xml
View File

@ -4,6 +4,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>core-groovy</artifactId>
<version>1.0-SNAPSHOT</version>
<name>core-groovy</name>
<packaging>jar</packaging>
<parent>

1
core-java-9/pom.xml
View File

@ -1,7 +1,6 @@
<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-9</artifactId>
<version>0.2-SNAPSHOT</version>
<name>core-java-9</name>

67
core-java-collections/src/main/java/com/baeldung/java/list/WaysToIterate.java Normal file
View File

@ -0,0 +1,67 @@
package com.baeldung.java.list;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
/**
* Demonstrates the different ways to loop over
* the elements of a list.
*/
public class WaysToIterate {
List<String> countries = Arrays.asList("Germany", "Panama", "Australia");
/**
* Iterate over a list using a basic for loop
*/
public void iterateWithForLoop() {
for (int i = 0; i < countries.size(); i++) {
System.out.println(countries.get(i));
}
}
/**
* Iterate over a list using the enhanced for loop
*/
public void iterateWithEnhancedForLoop() {
for (String country : countries) {
System.out.println(country);
}
}
/**
* Iterate over a list using an Iterator
*/
public void iterateWithIterator() {
Iterator<String> countriesIterator = countries.iterator();
while(countriesIterator.hasNext()) {
System.out.println(countriesIterator.next());
}
}
/**
* Iterate over a list using a ListIterator
*/
public void iterateWithListIterator() {
ListIterator<String> listIterator = countries.listIterator();
while(listIterator.hasNext()) {
System.out.println(listIterator.next());
}
}
/**
* Iterate over a list using the Iterable.forEach() method
*/
public void iterateWithForEach() {
countries.forEach(System.out::println);
}
/**
* Iterate over a list using the Stream.forEach() method
*/
public void iterateWithStreamForEach() {
countries.stream().forEach((c) -> System.out.println(c));
}
}

71
core-java-collections/src/test/java/com/baeldung/java/list/WaysToIterateUnitTest.java Normal file
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@ -0,0 +1,71 @@
package com.baeldung.java.list;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import org.junit.Test;
public class WaysToIterateUnitTest {
List<String> globalCountries = new ArrayList<String>();
List<String> europeanCountries = Arrays.asList("Germany", "Panama", "Australia");
@Test
public void whenIteratingUsingForLoop_thenReturnThreeAsSizeOfList() {
for (int i = 0; i < europeanCountries.size(); i++) {
globalCountries.add(europeanCountries.get(i));
}
assertEquals(globalCountries.size(), 3);
globalCountries.clear();
}
@Test
public void whenIteratingUsingEnhancedForLoop_thenReturnThreeAsSizeOfList() {
for (String country : europeanCountries) {
globalCountries.add(country);
}
assertEquals(globalCountries.size(), 3);
globalCountries.clear();
}
@Test
public void whenIteratingUsingIterator_thenReturnThreeAsSizeOfList() {
Iterator<String> countriesIterator = europeanCountries.iterator();
while (countriesIterator.hasNext()) {
globalCountries.add(countriesIterator.next());
}
assertEquals(globalCountries.size(), 3);
globalCountries.clear();
}
@Test
public void whenIteratingUsingListIterator_thenReturnThreeAsSizeOfList() {
ListIterator<String> countriesIterator = europeanCountries.listIterator();
while (countriesIterator.hasNext()) {
globalCountries.add(countriesIterator.next());
}
assertEquals(globalCountries.size(), 3);
globalCountries.clear();
}
@Test
public void whenIteratingUsingForEach_thenReturnThreeAsSizeOfList() {
europeanCountries.forEach(country -> globalCountries.add(country));
assertEquals(globalCountries.size(), 3);
globalCountries.clear();
}
@Test
public void whenIteratingUsingStreamForEach_thenReturnThreeAsSizeOfList() {
europeanCountries.stream().forEach((country) -> globalCountries.add(country));
assertEquals(globalCountries.size(), 3);
globalCountries.clear();
}
}

1
core-java-lang/README.md
View File

@ -57,4 +57,5 @@
- [“Sneaky Throws” in Java](http://www.baeldung.com/java-sneaky-throws)
- [Inheritance and Composition (Is-a vs Has-a relationship) in Java](http://www.baeldung.com/java-inheritance-composition)
- [A Guide to Constructors in Java](https://www.baeldung.com/java-constructors)
- [Retrieving a Class Name in Java](https://www.baeldung.com/java-class-name)

0
core-java/src/main/java/com/baeldung/className/RetrievingClassName.java → core-java-lang/src/main/java/com/baeldung/className/RetrievingClassName.java
View File

0
core-java/src/test/java/com/baeldung/className/RetrievingClassNameUnitTest.java → core-java-lang/src/test/java/com/baeldung/className/RetrievingClassNameUnitTest.java
View File

111
core-java-lang/src/test/java/com/baeldung/compoundoperators/CompoundOperatorsUnitTest.java Normal file
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@ -0,0 +1,111 @@
package com.baeldung.compoundoperators;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class CompoundOperatorsUnitTest {
@Test
public void whenAssignmentOperatorIsUsed_thenValueIsAssigned() {
int x = 5;
assertEquals(5, x);
}
@Test
public void whenCompoundAssignmentUsed_thenSameAsSimpleAssignment() {
int a = 3, b = 3, c = -2;
a = a * c; // Simple assignment operator
b *= c; // Compound assignment operator
assertEquals(a, b);
}
@Test
public void whenAssignmentOperatorIsUsed_thenValueIsReturned() {
long x = 1;
long y = (x+=2);
assertEquals(3, y);
assertEquals(y, x);
}
@Test
public void whenCompoundOperatorsAreUsed_thenOperationsArePerformedAndAssigned() {
//Simple assignment
int x = 5; //x is 5
//Incrementation
x += 5; //x is 10
assertEquals(10, x);
//Decrementation
x -= 2; //x is 8
assertEquals(8, x);
//Multiplication
x *= 2; //x is 16
assertEquals(16, x);
//Division
x /= 4; //x is 4
assertEquals(4, x);
//Modulus
x %= 3; //x is 1
assertEquals(1, x);
//Binary AND
x &= 4; //x is 0
assertEquals(0, x);
//Binary exclusive OR
x ^= 4; //x is 4
assertEquals(4, x);
//Binary inclusive OR
x |= 8; //x is 12
assertEquals(12, x);
//Binary Left Shift
x <<= 2; //x is 48
assertEquals(48, x);
//Binary Right Shift
x >>= 2; //x is 12
assertEquals(12, x);
//Shift right zero fill
x >>>= 1; //x is 6
assertEquals(6, x);
}
@Test(expected = NullPointerException.class)
public void whenArrayIsNull_thenThrowNullException() {
int[] numbers = null;
//Trying Incrementation
numbers[2] += 5;
}
@Test(expected = ArrayIndexOutOfBoundsException.class)
public void whenArrayIndexNotCorrect_thenThrowArrayIndexException() {
int[] numbers = {0, 1};
//Trying Incrementation
numbers[2] += 5;
}
@Test
public void whenArrayIndexIsCorrect_thenPerformOperation() {
int[] numbers = {0, 1};
//Incrementation
numbers[1] += 5;
assertEquals(6, numbers[1]);
}
}

25
core-java-net/.gitignore vendored Normal file
View File

@ -0,0 +1,25 @@
*.class
0.*
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
.resourceCache
# Packaged files #
*.jar
*.war
*.ear
# Files generated by integration tests
backup-pom.xml
/bin/
/temp
#IntelliJ specific
.idea/
*.iml

3
core-java-net/README.md Normal file
View File

@ -0,0 +1,3 @@
=========
## Core Java Net

19
core-java-net/pom.xml Normal file
View File

@ -0,0 +1,19 @@
<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-net</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>core-java-net</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-java</relativePath>
</parent>
<build>
<finalName>core-java-net</finalName>
</build>
</project>

0
core-java/src/main/java/com/baeldung/networking/proxies/CommandLineProxyDemo.java → core-java-net/src/main/java/com/baeldung/networking/proxies/CommandLineProxyDemo.java
View File

0
core-java/src/main/java/com/baeldung/networking/proxies/DirectProxyDemo.java → core-java-net/src/main/java/com/baeldung/networking/proxies/DirectProxyDemo.java
View File

0
core-java/src/main/java/com/baeldung/networking/proxies/SocksProxyDemo.java → core-java-net/src/main/java/com/baeldung/networking/proxies/SocksProxyDemo.java
View File

0
core-java/src/main/java/com/baeldung/networking/proxies/SystemPropertyProxyDemo.java → core-java-net/src/main/java/com/baeldung/networking/proxies/SystemPropertyProxyDemo.java
View File

0
core-java/src/main/java/com/baeldung/networking/proxies/UrlConnectionUtils.java → core-java-net/src/main/java/com/baeldung/networking/proxies/UrlConnectionUtils.java
View File

0
core-java/src/main/java/com/baeldung/networking/proxies/WebProxyDemo.java → core-java-net/src/main/java/com/baeldung/networking/proxies/WebProxyDemo.java
View File

13
core-java-net/src/test/resources/.gitignore vendored Normal file
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@ -0,0 +1,13 @@
*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear

1
core-java/README.md
View File

@ -88,3 +88,4 @@
- [Changing the Order in a Sum Operation Can Produce Different Results?](https://www.baeldung.com/java-floating-point-sum-order)
- [Java – Try with Resources](https://www.baeldung.com/java-try-with-resources)
- [Abstract Classes in Java](https://www.baeldung.com/java-abstract-class)
- [Guide to Character Encoding](https://www.baeldung.com/java-char-encoding)

2
core-java/pom.xml
View File

@ -3,8 +3,8 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>core-java</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>core-java</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>

76
core-java/src/main/java/com/baeldung/graph/Graph.java Normal file
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@ -0,0 +1,76 @@
package com.baeldung.graph;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
public class Graph {
private Map<Vertex, List<Vertex>> adjVertices;
Graph() {
this.adjVertices = new HashMap<Vertex, List<Vertex>>();
}
void addVertex(String label) {
adjVertices.putIfAbsent(new Vertex(label), new ArrayList<>());
}
void removeVertex(String label) {
Vertex v = new Vertex(label);
adjVertices.values().stream().map(e -> e.remove(v)).collect(Collectors.toList());
adjVertices.remove(new Vertex(label));
}
void addEdge(String label1, String label2) {
Vertex v1 = new Vertex(label1);
Vertex v2 = new Vertex(label2);
adjVertices.get(v1).add(v2);
adjVertices.get(v2).add(v1);
}
void removeEdge(String label1, String label2) {
Vertex v1 = new Vertex(label1);
Vertex v2 = new Vertex(label2);
List<Vertex> eV1 = adjVertices.get(v1);
List<Vertex> eV2 = adjVertices.get(v2);
if (eV1 != null)
eV1.remove(v2);
if (eV2 != null)
eV2.remove(v1);
}
List<Vertex> getAdjVertices(String label) {
return adjVertices.get(new Vertex(label));
}
String printGraph() {
StringBuffer sb = new StringBuffer();
for(Vertex v : adjVertices.keySet()) {
sb.append(v);
sb.append(adjVertices.get(v));
}
return sb.toString();
}
class Vertex {
String label;
Vertex(String label) {
this.label = label;
}
@Override
public boolean equals(Object obj) {
Vertex vertex = (Vertex) obj;
return vertex.label == label;
}
@Override
public int hashCode() {
return label.hashCode();
}
@Override
public String toString() {
return label;
}
}
}

44
core-java/src/main/java/com/baeldung/graph/GraphTraversal.java Normal file
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@ -0,0 +1,44 @@
package com.baeldung.graph;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Set;
import java.util.Stack;
import com.baeldung.graph.Graph.Vertex;
public class GraphTraversal {
static Set<String> depthFirstTraversal(Graph graph, String root) {
Set<String> visited = new LinkedHashSet<String>();
Stack<String> stack = new Stack<String>();
stack.push(root);
while (!stack.isEmpty()) {
String vertex = stack.pop();
if (!visited.contains(vertex)) {
visited.add(vertex);
for (Vertex v : graph.getAdjVertices(vertex)) {
stack.push(v.label);
}
}
}
return visited;
}
static Set<String> breadthFirstTraversal(Graph graph, String root) {
Set<String> visited = new LinkedHashSet<String>();
Queue<String> queue = new LinkedList<String>();
queue.add(root);
visited.add(root);
while (!queue.isEmpty()) {
String vertex = queue.poll();
for (Vertex v : graph.getAdjVertices(vertex)) {
if (!visited.contains(v.label)) {
visited.add(v.label);
queue.add(v.label);
}
}
}
return visited;
}
}

61
core-java/src/main/java/com/baeldung/printf/PrintfExamples.java Normal file
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@ -0,0 +1,61 @@
package com.baeldung.printf;
import java.util.Date;
import java.util.Locale;
public class PrintfExamples {
public static void main(String[] args) {
printfNewLine();
printfChar();
printfString();
printfNumber();
printfDateTime();
printfBoolean();
}
private static void printfNewLine() {
System.out.printf("baeldung%nline%nterminator");
}
private static void printfString() {
System.out.printf("'%s' %n", "baeldung");
System.out.printf("'%S' %n", "baeldung");
System.out.printf("'%15s' %n", "baeldung");
System.out.printf("'%-10s' %n", "baeldung");
}
private static void printfChar() {
System.out.printf("%c%n", 's');
System.out.printf("%C%n", 's');
}
private static void printfNumber() {
System.out.printf("simple integer: %d%n", 10000L);
System.out.printf(Locale.US, "%,d %n", 10000);
System.out.printf(Locale.ITALY, "%,d %n", 10000);
System.out.printf("%f%n", 5.1473);
System.out.printf("'%5.2f'%n", 5.1473);
System.out.printf("'%5.2e'%n", 5.1473);
}
private static void printfBoolean() {
System.out.printf("%b%n", null);
System.out.printf("%B%n", false);
System.out.printf("%B%n", 5.3);
System.out.printf("%b%n", "random text");
}
private static void printfDateTime() {
Date date = new Date();
System.out.printf("%tT%n", date);
System.out.printf("hours %tH: minutes %tM: seconds %tS%n", date, date, date);
System.out.printf("%1$tH:%1$tM:%1$tS %1$tp %1$tL %1$tN %1$tz %n", date);
System.out.printf("%1$tA %1$tB %1$tY %n", date);
System.out.printf("%1$td.%1$tm.%1$ty %n", date);
}
}

36
core-java/src/test/java/com/baeldung/graph/GraphTraversalUnitTest.java Normal file
View File

@ -0,0 +1,36 @@
package com.baeldung.graph;
import org.junit.Assert;
import org.junit.Test;
public class GraphTraversalUnitTest {
@Test
public void givenAGraph_whenTraversingDepthFirst_thenExpectedResult() {
Graph graph = createGraph();
Assert.assertEquals("[Bob, Rob, Maria, Alice, Mark]",
GraphTraversal.depthFirstTraversal(graph, "Bob").toString());
}
@Test
public void givenAGraph_whenTraversingBreadthFirst_thenExpectedResult() {
Graph graph = createGraph();
Assert.assertEquals("[Bob, Alice, Rob, Mark, Maria]",
GraphTraversal.breadthFirstTraversal(graph, "Bob").toString());
}
Graph createGraph() {
Graph graph = new Graph();
graph.addVertex("Bob");
graph.addVertex("Alice");
graph.addVertex("Mark");
graph.addVertex("Rob");
graph.addVertex("Maria");
graph.addEdge("Bob", "Alice");
graph.addEdge("Bob", "Rob");
graph.addEdge("Alice", "Mark");
graph.addEdge("Rob", "Mark");
graph.addEdge("Alice", "Maria");
graph.addEdge("Rob", "Maria");
return graph;
}
}

2
core-java/src/test/java/com/baeldung/regexp/optmization/OptimizedMatcherUnitTest.java → core-java/src/test/java/com/baeldung/regexp/optmization/OptimizedMatcherManualTest.java
View File

@ -11,7 +11,7 @@ import java.util.regex.Pattern;
import static org.junit.Assert.assertTrue;
public class OptimizedMatcherUnitTest {
public class OptimizedMatcherManualTest {
private String action;

1
core-kotlin/pom.xml
View File

@ -3,6 +3,7 @@
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</artifactId>
<name>core-kotlin</name>
<packaging>jar</packaging>
<parent>

31
core-kotlin/src/main/kotlin/com/baeldung/operators/Money.kt Normal file
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@ -0,0 +1,31 @@
package com.baeldung.operators
import java.math.BigDecimal
enum class Currency {
DOLLARS, EURO
}
class Money(val amount: BigDecimal, val currency: Currency) : Comparable<Money> {
override fun compareTo(other: Money): Int =
convert(Currency.DOLLARS).compareTo(other.convert(Currency.DOLLARS))
fun convert(currency: Currency): BigDecimal = TODO()
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other !is Money) return false
if (amount != other.amount) return false
if (currency != other.currency) return false
return true
}
override fun hashCode(): Int {
var result = amount.hashCode()
result = 31 * result + currency.hashCode()
return result
}
}

16
core-kotlin/src/main/kotlin/com/baeldung/operators/Page.kt Normal file
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@ -0,0 +1,16 @@
package com.baeldung.operators
interface Page<T> {
fun pageNumber(): Int
fun pageSize(): Int
fun elements(): MutableList<T>
}
operator fun <T> Page<T>.get(index: Int): T = elements()[index]
operator fun <T> Page<T>.get(start: Int, endExclusive: Int): List<T> = elements().subList(start, endExclusive)
operator fun <T> Page<T>.set(index: Int, value: T) {
elements()[index] = value
}
operator fun <T> Page<T>.contains(element: T): Boolean = element in elements()
operator fun <T> Page<T>.iterator() = elements().iterator()

31
core-kotlin/src/main/kotlin/com/baeldung/operators/Point.kt Normal file
View File

@ -0,0 +1,31 @@
package com.baeldung.operators
data class Point(val x: Int, val y: Int)
operator fun Point.unaryMinus() = Point(-x, -y)
operator fun Point.not() = Point(y, x)
operator fun Point.inc() = Point(x + 1, y + 1)
operator fun Point.dec() = Point(x - 1, y - 1)
operator fun Point.plus(other: Point): Point = Point(x + other.x, y + other.y)
operator fun Point.minus(other: Point): Point = Point(x - other.x, y - other.y)
operator fun Point.times(other: Point): Point = Point(x * other.x, y * other.y)
operator fun Point.div(other: Point): Point = Point(x / other.x, y / other.y)
operator fun Point.rem(other: Point): Point = Point(x % other.x, y % other.y)
operator fun Point.times(factor: Int): Point = Point(x * factor, y * factor)
operator fun Int.times(point: Point): Point = Point(point.x * this, point.y * this)
class Shape {
val points = mutableListOf<Point>()
operator fun Point.unaryPlus() {
points.add(this)
}
}
fun shape(init: Shape.() -> Unit): Shape {
val shape = Shape()
shape.init()
return shape
}

8
core-kotlin/src/main/kotlin/com/baeldung/operators/Utils.kt Normal file
View File

@ -0,0 +1,8 @@
package com.baeldung.operators
import java.math.BigInteger
operator fun <T> MutableCollection<T>.plusAssign(element: T) {
add(element)
}
operator fun BigInteger.plus(other: Int): BigInteger = add(BigInteger("$other"))

28
core-kotlin/src/test/kotlin/com/baeldung/operators/PageTest.kt Normal file
View File

@ -0,0 +1,28 @@
package com.baeldung.operators
import org.junit.Test
import kotlin.test.assertEquals
import kotlin.test.assertTrue
class PageTest {
private val page = PageImpl(1, 10, "Java", "Kotlin", "Scala")
@Test
fun `Get convention should work as expected`() {
assertEquals(page[1], "Kotlin")
assertEquals(page[1, 3], listOf("Kotlin", "Scala"))
}
@Test
fun `In convention should work on a page as expected`() {
assertTrue("Kotlin" in page)
}
}
private class PageImpl<T>(val page: Int, val size: Int, vararg val elements: T) : Page<T> {
override fun pageNumber(): Int = page
override fun pageSize(): Int = size
override fun elements(): MutableList<T> = mutableListOf(*elements)
}

48
core-kotlin/src/test/kotlin/com/baeldung/operators/PointTest.kt Normal file
View File

@ -0,0 +1,48 @@
package com.baeldung.operators
import org.junit.Test
import kotlin.test.assertEquals
import kotlin.test.assertTrue
class PointTest {
private val p1 = Point(1, 2)
private val p2 = Point(2, 3)
@Test
fun `We should be able to add two points together using +`() {
assertEquals(p1 + p2, Point(3, 5))
}
@Test
fun `We shoud be able to subtract one point from another using -`() {
assertEquals(p1 - p2, Point(-1, -1))
}
@Test
fun `We should be able to multiply two points together with *`() {
assertEquals(p1 * p2, Point(2, 6))
}
@Test
fun `We should be able to divide one point by another`() {
assertEquals(p1 / p2, Point(0, 0))
}
@Test
fun `We should be able to scale a point by an integral factor`() {
assertEquals(p1 * 2, Point(2, 4))
assertEquals(2 * p1, Point(2, 4))
}
@Test
fun `We should be able to add points to an empty shape`() {
val line = shape {
+Point(0, 0)
+Point(1, 3)
}
assertTrue(Point(0, 0) in line.points)
assertTrue(Point(1, 3) in line.points)
}
}

13
core-kotlin/src/test/kotlin/com/baeldung/operators/UtilsTest.kt Normal file
View File

@ -0,0 +1,13 @@
package com.baeldung.operators
import java.math.BigInteger
import org.junit.Test
import kotlin.test.assertEquals
class UtilsTest {
@Test
fun `We should be able to add an int value to an existing BigInteger using +`() {
assertEquals(BigInteger.ZERO + 1, BigInteger.ONE)
}
}

1
core-scala/pom.xml
View File

@ -4,6 +4,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>core-scala</artifactId>
<version>1.0-SNAPSHOT</version>
<name>core-scala</name>
<packaging>jar</packaging>
<parent>

2
data-structures/pom.xml
View File

@ -1,9 +1,9 @@
<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>data-structures</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>data-structures</name>
<parent>
<groupId>com.baeldung</groupId>

1
drools/pom.xml
View File

@ -3,6 +3,7 @@
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>drools</artifactId>
<name>drools</name>
<parent>
<groupId>com.baeldung</groupId>

1
dubbo/pom.xml
View File

@ -2,6 +2,7 @@
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>dubbo</artifactId>
<name>dubbo</name>
<parent>
<artifactId>parent-modules</artifactId>

2
flyway-cdi-extension/pom.xml
View File

@ -3,10 +3,10 @@
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>flyway-cdi-extension</artifactId>
<version>1.0-SNAPSHOT</version>
<name>flyway-cdi-extension</name>
<properties>
<maven.compiler.source>1.8</maven.compiler.source>

2
guava-modules/guava-18/pom.xml
View File

@ -2,9 +2,9 @@
<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-18</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>guava-18</name>
<parent>
<groupId>com.baeldung</groupId>

2
guava-modules/guava-19/pom.xml
View File

@ -2,9 +2,9 @@
<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-19</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>guava-19</name>
<parent>
<groupId>com.baeldung</groupId>

1
guava-modules/guava-21/pom.xml
View File

@ -4,6 +4,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>guava-21</artifactId>
<version>1.0-SNAPSHOT</version>
<name>guava-21</name>
<parent>
<groupId>com.baeldung</groupId>

1
guest/core-java-9/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>com.stackify</groupId>
<artifactId>core-java-9</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>core-java-9</name>
<parent>
<groupId>com.baeldung</groupId>

1
guest/core-java/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>com.stackify</groupId>
<artifactId>core-java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>core-java</name>
<parent>
<groupId>com.baeldung</groupId>

1
guest/core-kotlin/pom.xml
View File

@ -6,6 +6,7 @@
<version>1.0-SNAPSHOT</version>
<groupId>com.stackify</groupId>
<packaging>jar</packaging>
<name>core-kotlin</name>
<repositories>
<repository>

1
guest/deep-jsf/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>com.stackify</groupId>
<artifactId>deep-jsf</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>deep-jsf</name>
<packaging>war</packaging>
<parent>

1
guest/junit5-example/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>junit5-example</groupId>
<artifactId>junit5-example</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>junit5-example</name>
<parent>
<groupId>com.baeldung</groupId>

1
guest/log4j2-example/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>log4j2-example</groupId>
<artifactId>log4j2-example</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>log4j2-example</name>
<parent>
<groupId>com.baeldung</groupId>

1
guest/logback-example/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>com.stackify</groupId>
<artifactId>logback-example</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>logback-example</name>
<parent>
<groupId>com.baeldung</groupId>

2
guest/memory-leaks/pom.xml
View File

@ -1,9 +1,9 @@
<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>memory-leaks</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>memory-leaks</name>
<parent>
<groupId>com.baeldung</groupId>

2
guest/remote-debugging/pom.xml
View File

@ -5,8 +5,8 @@
<groupId>com.stackify</groupId>
<artifactId>remote-debugging</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>remote-debugging</name>
<packaging>war</packaging>
<parent>
<groupId>org.springframework.boot</groupId>

3
guest/slf4j/guide/pom.xml
View File

@ -2,13 +2,12 @@
<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.stackify.slf4j.guide</groupId>
<artifactId>slf4j-parent-module</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>slf4j-parent-module</name>
<packaging>pom</packaging>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>

2
guest/slf4j/guide/slf4j-log4j/pom.xml
View File

@ -2,9 +2,9 @@
<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>slf4j-log4j</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>slf4j-log4j</name>
<packaging>jar</packaging>
<parent>

2
guest/slf4j/guide/slf4j-log4j2/pom.xml
View File

@ -2,9 +2,9 @@
<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>slf4j-log4j2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>slf4j-log4j2</name>
<packaging>jar</packaging>
<parent>

2
guest/slf4j/guide/slf4j-logback/pom.xml
View File

@ -2,9 +2,9 @@
<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>slf4j-logback</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>slf4j-logback</name>
<packaging>jar</packaging>
<parent>

1
guest/spring-boot-app/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>spring-boot-app</groupId>
<artifactId>spring-boot-app</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-boot-app</name>
<packaging>war</packaging>
<parent>

2
guest/spring-mvc/pom.xml
View File

@ -5,8 +5,8 @@
<groupId>com.stackify.guest</groupId>
<artifactId>spring-mvc</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>spring-mvc</name>
<packaging>jar</packaging>
<description>Spring MVC sample project</description>
<parent>

1
guest/thread-pools/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>com.stackify</groupId>
<artifactId>thread-pools</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>thread-pools</name>
<parent>
<groupId>com.baeldung</groupId>

1
guest/tomcat-app/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>com.stackify</groupId>
<artifactId>tomcat-app</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>tomcat-app</name>
<packaging>war</packaging>
<parent>

1
guest/webservices/rest-client/pom.xml
View File

@ -3,6 +3,7 @@
<groupId>com.stackify</groupId>
<artifactId>rest-client</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>rest-client</name>
<packaging>war</packaging>
<parent>

1
guest/webservices/rest-server/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>com.stackify</groupId>
<artifactId>rest-server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>rest-server</name>
<packaging>war</packaging>
<parent>

1
guest/webservices/spring-rest-service/pom.xml
View File

@ -4,6 +4,7 @@
<groupId>com.stackify</groupId>
<artifactId>spring-rest-service</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-rest-service</name>
<packaging>war</packaging>
<parent>

2
helidon/helidon-mp/pom.xml
View File

@ -2,8 +2,8 @@
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
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>helidon-mp</artifactId>
<name>helidon-mp</name>
<parent>
<groupId>com.baeldung.helidon</groupId>

2
helidon/helidon-se/pom.xml
View File

@ -3,8 +3,8 @@
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>helidon-se</artifactId>
<name>helidon-se</name>
<parent>
<groupId>com.baeldung.helidon</groupId>

3
helidon/pom.xml
View File

@ -2,10 +2,9 @@
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
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.helidon</groupId>
<artifactId>helidon</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>helidon</name>
<packaging>pom</packaging>
<parent>

2
image-processing/pom.xml
View File

@ -2,9 +2,9 @@
<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>image-processing</artifactId>
<version>1.0-SNAPSHOT</version>
<name>image-processing</name>
<parent>
<groupId>com.baeldung</groupId>

2
immutables/pom.xml
View File

@ -3,7 +3,7 @@
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>immutables</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>immutables</name>
<parent>
<groupId>com.baeldung</groupId>

1
java-collections-conversions/README.md
View File

@ -9,3 +9,4 @@
- [Convert a Map to an Array, List or Set in Java](http://www.baeldung.com/convert-map-values-to-array-list-set)
- [Converting a List to String in Java](http://www.baeldung.com/java-list-to-string)
- [How to Convert List to Map in Java](http://www.baeldung.com/java-list-to-map)
- [Array to String Conversions](https://www.baeldung.com/java-array-to-string)

87
java-collections-maps/src/test/java/com/baeldung/java/map/ImmutableMapUnitTest.java Normal file
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@ -0,0 +1,87 @@
package com.baeldung.java.map;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.junit.jupiter.api.Test;
import com.google.common.collect.ImmutableMap;
public class ImmutableMapUnitTest {
@Test
public void whenCollectionsUnModifiableMapMethod_thenOriginalCollectionChangesReflectInUnmodifiableMap() {
Map<String, String> mutableMap = new HashMap<>();
mutableMap.put("USA", "North America");
Map<String, String> unmodifiableMap = Collections.unmodifiableMap(mutableMap);
assertThrows(UnsupportedOperationException.class, () -> unmodifiableMap.put("Canada", "North America"));
mutableMap.remove("USA");
assertFalse(unmodifiableMap.containsKey("USA"));
mutableMap.put("Mexico", "North America");
assertTrue(unmodifiableMap.containsKey("Mexico"));
}
@Test
@SuppressWarnings("deprecation")
public void whenGuavaImmutableMapFromCopyOfMethod_thenOriginalCollectionChangesDoNotReflectInImmutableMap() {
Map<String, String> mutableMap = new HashMap<>();
mutableMap.put("USA", "North America");
ImmutableMap<String, String> immutableMap = ImmutableMap.copyOf(mutableMap);
assertTrue(immutableMap.containsKey("USA"));
assertThrows(UnsupportedOperationException.class, () -> immutableMap.put("Canada", "North America"));
mutableMap.remove("USA");
assertTrue(immutableMap.containsKey("USA"));
mutableMap.put("Mexico", "North America");
assertFalse(immutableMap.containsKey("Mexico"));
}
@Test
@SuppressWarnings("deprecation")
public void whenGuavaImmutableMapFromBuilderMethod_thenOriginalCollectionChangesDoNotReflectInImmutableMap() {
Map<String, String> mutableMap = new HashMap<>();
mutableMap.put("USA", "North America");
ImmutableMap<String, String> immutableMap = ImmutableMap.<String, String>builder()
.putAll(mutableMap)
.put("Costa Rica", "North America")
.build();
assertTrue(immutableMap.containsKey("USA"));
assertTrue(immutableMap.containsKey("Costa Rica"));
assertThrows(UnsupportedOperationException.class, () -> immutableMap.put("Canada", "North America"));
mutableMap.remove("USA");
assertTrue(immutableMap.containsKey("USA"));
mutableMap.put("Mexico", "North America");
assertFalse(immutableMap.containsKey("Mexico"));
}
@Test
@SuppressWarnings("deprecation")
public void whenGuavaImmutableMapFromOfMethod_thenOriginalCollectionChangesDoNotReflectInImmutableMap() {
ImmutableMap<String, String> immutableMap = ImmutableMap.of("USA", "North America", "Costa Rica", "North America");
assertTrue(immutableMap.containsKey("USA"));
assertTrue(immutableMap.containsKey("Costa Rica"));
assertThrows(UnsupportedOperationException.class, () -> immutableMap.put("Canada", "North America"));
}
}

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