public class TestThread{
	public static void main (String[] args) {
		PingPong nit1 = new PingPong("ping", 33); // 1/30s 
		PingPong nit2 = new PingPong("PONG", 100); // 1/10s
		nit1.start(); 
		nit2.start(); 	
		System.out.println("Kraj main funkcije");
	}
}
class PingPong extends Thread {
	public String rec; 
	int vreme;PingPong(String r, int v){ 
		rec=r; vreme=v; 
		}
	public void run(){
		try{ 
			for(int i=0;i<30;i++){
				System.out.println(rec); 
				sleep(vreme);}
			} 
			catch(InterruptedException e){ return; }
		}
}