notifyAll()_notify for

class Calculater extends Thread{
	public int total = 1;
	public void run(){
		System.out.println("Calculator run");
		synchronized(this){
			for(int i=1; i<10; i++){
				total *= i;
			}
			notifyAll();
		}
	}
}

public class NotifyAllTest extends Thread{
	public Calculater cal;
	public NotifyAllTest(Calculater cal){
		this.cal = cal;
	}
	public void run(){
		System.out.println(this.currentThread()+" runing ");
		synchronized(this.cal){
			try {
				this.cal.wait();
				System.out.println(this.currentThread() + "wake up");
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			System.out.println(this.currentThread()+" : total = "+this.cal.total);
			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
	public static void main(String [] args) throws InterruptedException{
		Calculater cal = new Calculater();
		new NotifyAllTest(cal).start();
		new NotifyAllTest(cal).start();
		new NotifyAllTest(cal).start();
		new NotifyAllTest(cal).start();
		new NotifyAllTest(cal).start();
		Thread.sleep(1000);
		cal.start();
	}

}