public class Test {

  final static short x = 2;

  public static void main(String args[]) {

    for (int z = 0; z < 4; z++) {
      System.out.println("z = " + z);
      switch (z) {
        case x:
          System.out.println(0);
        case x - 1:
          System.out.println(1);
        case x - 2:
          System.out.println(2);
      }
    }
  }
}