Merge pull request #9071 from dupirefr/team/JAVA-616-split_core_java_arrays
[JAVA-616] Split core-java-arrays* modules
This commit is contained in:
Josh Cummings
GitHub
@@ -1,17 +0,0 @@
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## Core Java Arrays (Part 2)
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This module contains articles about Java arrays
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## Relevant Articles
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- [Extending an Array’s Length](https://www.baeldung.com/java-array-add-element-at-the-end)
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- [Looping Diagonally Through a 2d Java Array](https://www.baeldung.com/java-loop-diagonal-array)
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- [Converting Between Stream and Array in Java](https://www.baeldung.com/java-stream-to-array)
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- [Convert a Float to a Byte Array in Java](https://www.baeldung.com/java-convert-float-to-byte-array)
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- [Array Operations in Java](https://www.baeldung.com/java-common-array-operations)
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- [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection)
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- [Removing an Element from an Array in Java](https://www.baeldung.com/java-array-remove-element)
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- [Removing the First Element of an Array](https://www.baeldung.com/java-array-remove-first-element)
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- [Adding an Element to a Java Array vs an ArrayList](https://www.baeldung.com/java-add-element-to-array-vs-list)
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- [Arrays.sort vs Arrays.parallelSort](https://www.baeldung.com/java-arrays-sort-vs-parallelsort)
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- [[<-- Prev]](/core-java-modules/core-java-arrays)
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@@ -1,3 +0,0 @@
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### Relevant Articles:
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- [Arrays.deepEquals](https://www.baeldung.com/java-arrays-deepequals)
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@@ -1,32 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project
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xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>core-java-arrays-3</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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<name>core-java-arrays-3</name>
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<packaging>jar</packaging>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-java</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../../parent-java</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<properties>
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<assertj.version>3.14.0</assertj.version>
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</properties>
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</project>
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@@ -0,0 +1,7 @@
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## Core Java Arrays - Conversions
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This module contains articles about arrays conversion in Java
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## Relevant Articles
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- [Convert a Float to a Byte Array in Java](https://www.baeldung.com/java-convert-float-to-byte-array)
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- [Converting Between Stream and Array in Java](https://www.baeldung.com/java-stream-to-array)
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@@ -0,0 +1,27 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>core-java-modules</artifactId>
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<groupId>com.baeldung.core-java-modules</groupId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>core-java-arrays-convert</artifactId>
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<name>core-java-arrays-convert</name>
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<packaging>jar</packaging>
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<dependencies>
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<dependency>
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<groupId>com.google.guava</groupId>
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<artifactId>guava</artifactId>
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<version>${guava.version}</version>
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</dependency>
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</dependencies>
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<properties>
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<guava.version>28.2-jre</guava.version>
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</properties>
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</project>
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@@ -0,0 +1,7 @@
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## Core Java Arrays - Guides
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This module contains complete guides about arrays in Java
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### Relevant Articles:
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- [Arrays in Java: A Reference Guide](https://www.baeldung.com/java-arrays-guide)
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- [Guide to the java.util.Arrays Class](https://www.baeldung.com/java-util-arrays)
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@@ -0,0 +1,32 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>core-java-modules</artifactId>
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<groupId>com.baeldung.core-java-modules</groupId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>core-java-arrays-guides</artifactId>
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<name>core-java-arrays-guides</name>
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<packaging>jar</packaging>
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<dependencies>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmh.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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</dependency>
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</dependencies>
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<properties>
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<jmh.version>1.19</jmh.version>
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</properties>
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</project>
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@@ -0,0 +1,7 @@
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## Core Java Arrays - Multidimensional
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This module contains articles about multidimensional arrays in Java
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### Relevant Articles:
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- [Multi-Dimensional Arrays In Java](https://www.baeldung.com/java-jagged-arrays)
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- [Looping Diagonally Through a 2d Java Array](https://www.baeldung.com/java-loop-diagonal-array)
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@@ -0,0 +1,15 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>core-java-modules</artifactId>
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<groupId>com.baeldung.core-java-modules</groupId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>core-java-arrays-multidimensional</artifactId>
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<name>core-java-arrays-multidimensional</name>
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<packaging>jar</packaging>
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</project>
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@@ -0,0 +1,9 @@
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## Core Java Arrays - Advanced Operations
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This module contains articles about advanced operations on arrays in Java. They assume some background knowledge with arrays in Java.
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### Relevant Articles:
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- [How to Copy an Array in Java](https://www.baeldung.com/java-array-copy)
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- [Arrays.deepEquals](https://www.baeldung.com/java-arrays-deepequals)
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- [Find Sum and Average in a Java Array](https://www.baeldung.com/java-array-sum-average)
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- [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection)
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@@ -0,0 +1,36 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>core-java-modules</artifactId>
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<groupId>com.baeldung.core-java-modules</groupId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>core-java-arrays-operations-advanced</artifactId>
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<name>core-java-arrays-operations-advanced</name>
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<packaging>jar</packaging>
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<dependencies>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-lang3</artifactId>
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<version>${commons-lang3.version}</version>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj-core.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<properties>
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<commons-lang3.version>3.9</commons-lang3.version>
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<assertj-core.version>3.10.0</assertj-core.version>
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</properties>
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</project>
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+27
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package com.baeldung.array.operations;
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import java.util.Arrays;
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import java.util.LinkedList;
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import java.util.stream.Stream;
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public class ArraysIntersectionOperations {
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public static Integer[] intersectionSimple(final Integer[] a, final Integer[] b) {
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return Stream.of(a)
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.filter(Arrays.asList(b)::contains)
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.toArray(Integer[]::new);
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}
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public static Integer[] intersectionSet(final Integer[] a, final Integer[] b) {
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return Stream.of(a)
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.filter(Arrays.asList(b)::contains)
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.distinct()
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.toArray(Integer[]::new);
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}
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public static Integer[] intersectionMultiSet(final Integer[] a, final Integer[] b) {
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return Stream.of(a)
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.filter(new LinkedList<>(Arrays.asList(b))::remove)
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.toArray(Integer[]::new);
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}
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}
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+1
-1
@@ -2,7 +2,7 @@ package com.baeldung.array.operations;
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import org.junit.jupiter.api.Test;
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import static com.baeldung.array.operations.ArrayOperations.*;
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import static com.baeldung.array.operations.ArraysIntersectionOperations.*;
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import static org.assertj.core.api.Assertions.assertThat;
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class IntersectionUnitTest {
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