public class HR implements Runnable {
  private int i = 0;
  public HR(int i) {
    this.i = i;
  }
  public void run() {
    while(true) {
      System.out.println("Thread " + i);
    }
  }
  public static void main(String args[]) {
    (new Thread(new HR(2))).start();
    (new Thread(new HR(3))).start();
  }
}