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Split or move java-streams module
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‎core-java-modules/core-java-9-streams/README.md‎

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## Core Java 9 streams
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This module contains articles about Java 9 streams
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### Relevant Articles:
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- [How to Break from Java Stream forEach](https://www.baeldung.com/java-break-stream-foreach)

‎core-java-modules/core-java-9-streams/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" 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-9-streams</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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<name>core-java-9-streams</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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</dependencies>
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<build>
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<finalName>core-java-9-streams</finalName>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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<filtering>true</filtering>
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</resource>
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</resources>
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</build>
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<properties>
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</properties>
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</project>

java-streams-2/src/main/java/com/baeldung/breakforeach/CustomForEach.java renamed to core-java-modules/core-java-9-streams/src/main/java/com/baeldung/streams/breakforeach/CustomForEach.java

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package com.baeldung.breakforeach;
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package com.baeldung.streams.breakforeach;
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import java.util.Spliterator;
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import java.util.function.BiConsumer;

java-streams-2/src/main/java/com/baeldung/breakforeach/CustomSpliterator.java renamed to core-java-modules/core-java-9-streams/src/main/java/com/baeldung/streams/breakforeach/CustomSpliterator.java

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package com.baeldung.breakforeach;
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package com.baeldung.streams.breakforeach;
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import java.util.Spliterator;
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import java.util.Spliterators;

java-streams-2/src/main/java/com/baeldung/breakforeach/CustomTakeWhile.java renamed to core-java-modules/core-java-9-streams/src/main/java/com/baeldung/streams/breakforeach/CustomTakeWhile.java

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package com.baeldung.breakforeach;
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package com.baeldung.streams.breakforeach;
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import java.util.function.Predicate;
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import java.util.stream.Stream;

java-streams-2/src/main/java/com/baeldung/breakforeach/TakeWhileExample.java renamed to core-java-modules/core-java-9-streams/src/main/java/com/baeldung/streams/breakforeach/TakeWhileExample.java

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package com.baeldung.breakforeach;
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package com.baeldung.streams.breakforeach;
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import java.util.List;
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import java.util.stream.Stream;

java-streams-2/src/test/java/com/baeldung/breakforeach/BreakFromStreamForEachUnitTest.java renamed to core-java-modules/core-java-9-streams/src/test/java/com/baeldung/streams/breakforeach/BreakFromStreamForEachUnitTest.java

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package com.baeldung.breakforeach;
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package com.baeldung.streams.breakforeach;
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import org.junit.Test;
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‎core-java-modules/core-java-streams-2/README.md‎

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## Core Java streams
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This module contains articles about the Stream API in Java.
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### Relevant Articles:
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- [The Java 8 Stream API Tutorial](https://www.baeldung.com/java-8-streams)
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- [Introduction to Java 8 Streams](https://www.baeldung.com/java-8-streams-introduction)
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- [Java 8 Stream findFirst() vs. findAny()](https://www.baeldung.com/java-stream-findfirst-vs-findany)
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- [Guide to Stream.reduce()](https://www.baeldung.com/java-stream-reduce)
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- [Java IntStream Conversions](https://www.baeldung.com/java-intstream-convert)
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- [Java 8 Streams peek() API](https://www.baeldung.com/java-streams-peek-api)
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- [Working With Maps Using Streams](https://www.baeldung.com/java-maps-streams)
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- [Collect a Java Stream to an Immutable Collection](https://www.baeldung.com/java-stream-immutable-collection)
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- [How to Add a Single Element to a Stream](https://www.baeldung.com/java-stream-append-prepend)
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- [Operating on and Removing an Item from Stream](https://www.baeldung.com/java-use-remove-item-stream)
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- More articles: [[<-- prev>]](/../core-java-streams) [[next -->]](/../core-java-streams-3)

java-streams-2/pom.xml renamed to core-java-modules/core-java-streams-2/pom.xml

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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" 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">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung.javastreams2</groupId>
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<artifactId>java-streams-2</artifactId>
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<version>1.0</version>
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<name>java-streams-2</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.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmh-core.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh-generator.version}</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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<type>jar</type>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.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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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.9</maven.compiler.source>
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<maven.compiler.target>1.9</maven.compiler.target>
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<assertj.version>3.11.1</assertj.version>
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</properties>
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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" 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">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>core-java-streams-2</artifactId>
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<version>1.0</version>
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<name>core-java-streams-2</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.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmh-core.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh-generator.version}</version>
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</dependency>
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<dependency>
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<groupId>log4j</groupId>
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<artifactId>log4j</artifactId>
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<version>${log4j.version}</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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<type>jar</type>
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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.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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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.9</maven.compiler.source>
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<maven.compiler.target>1.9</maven.compiler.target>
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<assertj.version>3.11.1</assertj.version>
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</properties>
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</project>

java-streams-2/src/main/java/com/baeldung/reduce/application/Application.java renamed to core-java-modules/core-java-streams-2/src/main/java/com/baeldung/reduce/application/Application.java

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package com.baeldung.reduce.application;
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import com.baeldung.reduce.entities.User;
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import com.baeldung.reduce.utilities.NumberUtils;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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public class Application {
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public static void main(String[] args) {
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List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5, 6);
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int result1 = numbers.stream().reduce(0, (subtotal, element) -> subtotal + element);
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System.out.println(result1);
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int result2 = numbers.stream().reduce(0, Integer::sum);
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System.out.println(result2);
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List<String> letters = Arrays.asList("a", "b", "c", "d", "e");
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String result3 = letters.stream().reduce("", (partialString, element) -> partialString + element);
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System.out.println(result3);
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String result4 = letters.stream().reduce("", String::concat);
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System.out.println(result4);
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String result5 = letters.stream().reduce("", (partialString, element) -> partialString.toUpperCase() + element.toUpperCase());
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System.out.println(result5);
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List<User> users = Arrays.asList(new User("John", 30), new User("Julie", 35));
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int result6 = users.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum);
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System.out.println(result6);
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String result7 = letters.parallelStream().reduce("", String::concat);
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System.out.println(result7);
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int result8 = users.parallelStream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum);
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System.out.println(result8);
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}
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}
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package com.baeldung.reduce.application;
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import com.baeldung.reduce.entities.User;
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import com.baeldung.reduce.utilities.NumberUtils;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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public class Application {
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public static void main(String[] args) {
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List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5, 6);
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int result1 = numbers.stream().reduce(0, (subtotal, element) -> subtotal + element);
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System.out.println(result1);
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int result2 = numbers.stream().reduce(0, Integer::sum);
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System.out.println(result2);
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List<String> letters = Arrays.asList("a", "b", "c", "d", "e");
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String result3 = letters.stream().reduce("", (partialString, element) -> partialString + element);
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System.out.println(result3);
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String result4 = letters.stream().reduce("", String::concat);
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System.out.println(result4);
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String result5 = letters.stream().reduce("", (partialString, element) -> partialString.toUpperCase() + element.toUpperCase());
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System.out.println(result5);
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List<User> users = Arrays.asList(new User("John", 30), new User("Julie", 35));
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int result6 = users.stream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum);
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System.out.println(result6);
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String result7 = letters.parallelStream().reduce("", String::concat);
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System.out.println(result7);
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int result8 = users.parallelStream().reduce(0, (partialAgeResult, user) -> partialAgeResult + user.getAge(), Integer::sum);
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System.out.println(result8);
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}
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}

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