JAVA-49: Moved maven-unused-dependencies to maven-modules

maven-modules/maven-unused-dependencies/README.md

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+## Apache Maven
+
+This module contains articles about Unused Maven Dependencies.
+
+### Relevant Articles
+
+- [Find Unused Maven Dependencies](https://www.baeldung.com/maven-unused-dependencies)

maven-modules/maven-unused-dependencies/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"
+    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>maven-unused-dependencies</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+
+    <properties>
+        <commons-collections.version>3.2.2</commons-collections.version>
+        <slf4j-api.version>1.7.25</slf4j-api.version>
+        <maven-dependency-plugin.version>3.1.2</maven-dependency-plugin.version>
+        <maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>commons-collections</groupId>
+            <artifactId>commons-collections</artifactId>
+            <version>${commons-collections.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j-api.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <version>${maven-dependency-plugin.version}</version>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

maven-modules/maven-unused-dependencies/src/main/java/com/baeldung/mavendependencyplugin/UnusedDependenciesExample.java

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+package com.baeldung.mavendependencyplugin;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class UnusedDependenciesExample {
+
+    /**
+     * When the Maven dependency analyzer analyzes the code, it will see that the slf4j dependency is being used in this method. 
+     * 
+     * @return the slf4j {@link Logger}.
+     */
+    public Logger getLogger() {
+        return LoggerFactory.getLogger(UnusedDependenciesExample.class);
+    }
+
+}