
package com.a.cc.ff;

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



package com.a.cc.ff;

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


Revert "a"