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BASE-4618: Create new module, local variable example
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‎core-java-modules/core-java-lang-4/README.md‎

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## Core Java Lang (Part 4)
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This module contains articles about core features in the Java language
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- TODO

‎core-java-modules/core-java-lang-4/pom.xml‎

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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-lang-4</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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<name>core-java-lang-4</name>
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<packaging>jar</packaging>
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<parent>
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<groupId>com.baeldung.core-java-modules</groupId>
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<artifactId>core-java-modules</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../</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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<build>
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<finalName>core-java-lang-4</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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<assertj.version>3.19.0</assertj.version>
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</properties>
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</project>

‎core-java-modules/core-java-lang-4/src/main/java/com/baeldung/finalkeyword/LocalVariableFinal.java‎

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package com.baeldung.finalkeyword;
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public class LocalVariableFinal {
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public static void main(String[] args) {
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for (int i = 0; i < 1500; i++) {
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long startTime = System.nanoTime();
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String result = concatStrings();
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long totalTime = System.nanoTime() - startTime;
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if (i >= 500) {
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System.out.println(totalTime);
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}
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}
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}
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private static String concatStrings() {
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final String x = "x";
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final String y = "y";
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return x + y;
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}
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}

‎core-java-modules/core-java-lang-4/src/main/java/com/baeldung/finalkeyword/LocalVariableNonFinal.java‎

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package com.baeldung.finalkeyword;
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public class LocalVariableNonFinal {
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public static void main(String[] args) {
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for (int i = 0; i < 1500; i++) {
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long startTime = System.nanoTime();
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String result = concatStrings();
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long totalTime = System.nanoTime() - startTime;
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if (i >= 500) {
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System.out.println(totalTime);
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}
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}
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}
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private static String concatStrings() {
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String x = "x";
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String y = "y";
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return x + y;
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}
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}

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