// 7. Write a java program for inter thread communication using wait(), notify(), notifyall()
class TotalEarnings extends Thread{
	int total = 0;
	public void run(){
		synchronized(this){
			for(int i=1; i<=10;i++){
				total = total + 10;
			}
		       this.notify();
		}
	}
}


public class Inter7 {
	public static void main(String[] args) throws InterruptedException{
		TotalEarnings te = new TotalEarnings();
		te.start();
		synchronized(te){
			te.wait();
			System.out.println("Total earnings: "+te.total);
		}
	}
}