/**
   * HelloWorld 
   */
public class HelloWorld {

    <<<<<< "// beginning"
    static private String hello = "Hello";
    private static String world = "world";

    <<<<<< "// ending"

    static public void main (String args []) {

        <<<<<< "System.out.println (hello + \", \" + world + \"!\");"
    }

}

/* HelloWorld */
public class HelloWorld {
    static String world = "world";

    >>>>>> "// ending"
    static String hello = "Hello";

    >>>>>> "// beginning"

    public static void main (String args []) {

        >>>>>> "System.out.println (hello + \", \" + world + \"!\");"
    }

}