public class DeadLock1{
	public static void main(String[]agrs){
	Test a=new Test(true);
	Test b=new Test(false);
	
	Thread t1=new Thread(a);
	Thread t2=new Thread(b);
	
	t1.start();
	t2.start();
	}
}

class Test implements Runnable{
	private boolean flag;
	Test(boolean flag){
	this.flag=flag;
	}
	public void run(){

	if(flag){
 while(true)
		synchronized(MyLock.locka){
			System.out.println(Thread.currentThread().getName()+"...if...locka...");
			synchronized(MyLock.lockb){
				System.out.println(Thread.currentThread().getName()+"...if...lockb...");
				}
			}
		}
	else{
 while(true)
		synchronized(MyLock.lockb){
		System.out.println(Thread.currentThread().getName()+"...else...lockb...");
			synchronized(MyLock.locka){
				System.out.println(Thread.currentThread().getName()+"...else...locka...");
				}
			}
		}
 }


}


class MyLock
{
	public static final Object locka = new Object();
	public static final Object lockb = new Object();
}