class_shadowing.sh

java -cp patch.jar ootb.jar -jar main.jar

HelloWorldDependency.xml

<dependency>
    <groupId>HelloWorld</groupId>
    <artifactId>HelloWorldProxy</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <type>jar</type>
    <scope>compile</scope>
</dependency>

HelloWorldProxyDependency.xml

<dependencies>
    <dependency>
        <groupId>HelloWorld</groupId>
        <artifactId>HelloWorldPatch</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <type>jar</type>
        <scope>compile</scope>
    </dependency>
    <dependency>
        <groupId>HelloWorld</groupId>
        <artifactId>HelloWorld</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <type>jar</type>
        <scope>compile</scope>
    </dependency>
</dependencies>

HelloWorldProxyPlugin.xml

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-jar-plugin</artifactId>
    <version>2.3.1</version>
    <configuration>
        <archive>
            <manifest>
                <addClasspath>true</addClasspath>
            </manifest>
        </archive>
    </configuration>
</plugin>