/* Program that attempts to modify a string inside
 * a method. Shows that Strings are immutable.
 *
 * Carsten Butz, September 2002
 */

class TestString{

  public static void main(String[] args){

    String s = "abcd";

    append(s,"efg");

    System.out.println(s);
  }

  public static void append(String s, String t){
    s = s+t;
    return;
  }

}