import java.io.*;

public class MethodTest {
  static PrintWriter out = new PrintWriter(System.out, true);
  public static void main (String args[]) {
    FirstThread first = new FirstThread();
    SecondThread second = new SecondThread();
    first.start();
    second.start();
    try {
	    out.println("Waiting for first thread to finish...");
	    first.join();
	    out.println("It's a long wait !!");
	    out.println("Waking up second thread ...");
	    synchronized(second) {
	      second.notify();
	    }
	    
	    out.println("Waiting for second thread to finish ...");
	    second.join();
	} catch (InterruptedException e) {}
    out.println("I'm ready to finish too.");
  }
}

class FirstThread extends Thread {
  public void run () {
    try {
	    MethodTest.out.println("  First thread starts running.");
	    sleep(10000);
	    MethodTest.out.println("  First thread finishes running.");
    } catch (InterruptedException e) {}
  }
}

class SecondThread extends Thread {
  public synchronized void run () {
    try {
	    MethodTest.out.println("  Second thread starts running.");
	    MethodTest.out.println("  Second thread suspends itself.");
	    wait();
	    MethodTest.out.println("  Second thread runs again and finishes.");
    }catch (InterruptedException e) {}
  }
}