letifcik

Object o = new Object();

		Thread t1 = new Thread() {

			public void run() {
				synchronized(o) {
					for(int i=0; i<1000; i++) {
						System.out.print(" " +i+ " AAAA");
//						System.out.println(" letif");
					}
					System.out.println("");

				}
			}

		};

		Thread t2 = new Thread() {
			public void run() {
				synchronized(o) {
					for(int i=0; i<1000; i++) {
						System.out.print(" " +i+ " BBBB");
//						System.out.println(" letif");
					}
					System.out.println("");

				}
			}
		};




		try {
			t1.start();
			t1.join();
			t2.start();
			t2.join();
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}