package io.jitpack;

/**
 * Hello world!
 *
 */
public class App 
{
    public static void main( String[] args )
    {
        System.out.println( "Hello World!" );
    }
}

package io.jitpack;

/**
 * Hello world!
 *
 */
public class App 
{
    public static String GREETING = "Hello World!";
    
    public static void main( String[] args )
    {
        System.out.println( GREETING );
    }
}

Update App.java