/** Based on example from Sun Thread tutorial */

class Reentrant {

  public synchronized void a() {
      b();
      System.out.println("here I am, in a()");
  }
  public synchronized void b() {
      System.out.println("here I am, in b()");
  }
}

class TestReentrant {
    public static void main(String[] args) {
        Reentrant r = new Reentrant();
        r.a();
    }
}