Include new module

core-java-modules/core-java-jvm-3/README.md

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+## Core Java JVM Cookbooks and Examples
+
+This module contains articles about working with the Java Virtual Machine (JVM).
+
+### Relevant Articles: 
+
+- [Difference Between Class.getResource() and ClassLoader.getResource()](https://www.baeldung.com/java-class-vs-classloader-getresource)
+- More articles: [[<-- prev]](/core-java-modules/core-java-jvm-2)

core-java-modules/core-java-jvm-3/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java-jvm-3</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>core-java-jvm-3</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <artifactId>core-java-modules</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+    
+    </dependencies>
+
+</project>

core-java-modules/core-java-jvm-3/src/main/java/com/baeldung/resource/ClassGetResourceExample.java

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+package com.baeldung.resource;
+
+import java.net.URL;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ClassGetResourceExample {
+
+    private static Logger logger = LoggerFactory.getLogger(ClassGetResourceExample.class);
+
+    public static void main(String[] args) {
+        URL resourceAbsolutePath = ClassGetResourceExample.class.getResource("/com/baeldung/resource/example.txt");
+        logger.info("Resource with absolute path = {}", resourceAbsolutePath);
+
+        URL resourceRelativePath = ClassGetResourceExample.class.getResource("example.txt");
+        logger.info("Resource with relative path = {}", resourceRelativePath);
+    }
+}

core-java-modules/core-java-jvm-3/src/main/java/com/baeldung/resource/ClassLoaderGetResourceExample.java

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+package com.baeldung.resource;
+
+import java.net.URL;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ClassLoaderGetResourceExample {
+
+    private static Logger logger = LoggerFactory.getLogger(ClassLoaderGetResourceExample.class);
+
+    public static void main(String[] args) {
+        URL resourceAbsolutePath = ClassLoaderGetResourceExample.class.getClassLoader()
+            .getResource("com/baeldung/resource/example.txt");
+        logger.info("Resource with absolute path = {}", resourceAbsolutePath);
+
+        URL resourceRelativePath = ClassLoaderGetResourceExample.class.getClassLoader()
+            .getResource("example.txt");
+        logger.info("Resource with relative path = {}", resourceRelativePath);
+    }
+}

core-java-modules/core-java-jvm-3/src/resources/com/baeldung/resource/example.txt

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+Baeldung

core-java-modules/core-java-jvm-3/test/java/com/baeldung/resource/ClassGetResourceUnitTest.java

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+package com.baeldung.resource;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.net.URL;
+
+class ClassGetResourceUnitTest {
+
+    @Test
+    void givenRelativeResourcePath_whenGetResource_thenReturnResource() {
+        URL resourceRelativePath = ClassGetResourceExample.class.getResource("example.txt");
+        Assertions.assertNotNull(resourceRelativePath);
+    }
+
+    @Test
+    void givenAbsoluteResourcePath_whenGetResource_thenReturnResource() {
+        URL resourceAbsolutePath = ClassGetResourceExample.class.getResource("/com/baeldung/resource/example.txt");
+        Assertions.assertNotNull(resourceAbsolutePath);
+    }
+}

core-java-modules/core-java-jvm-3/test/java/com/baeldung/resource/ClassLoaderGetResourceUnitTest.java

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+package com.baeldung.resource;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.net.URL;
+
+class ClassLoaderGetResourceUnitTest {
+
+    @Test
+    void givenRelativeResourcePath_whenGetResource_thenReturnNull() {
+        URL resourceRelativePath = ClassLoaderGetResourceExample.class.getClassLoader()
+            .getResource("example.txt");
+        Assertions.assertNull(resourceRelativePath);
+    }
+
+    @Test
+    void givenAbsoluteResourcePath_whenGetResource_thenReturnResource() {
+        URL resourceAbsolutePath = ClassLoaderGetResourceExample.class.getClassLoader()
+            .getResource("com/baeldung/resource/example.txt");
+        Assertions.assertNotNull(resourceAbsolutePath);
+    }
+}