gistfile1.txt

public class TryJoin {
  
	
	public static void main(String... arg) throws InterruptedException {
		Thread a = new Thread(new Runnable() {

			@Override
			public void run() {
				try {
					Thread.sleep(5000);
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				
			}
			
		});
		
		Thread b = new Thread(new Runnable() {

			@Override
			public void run() {
				try {
					Thread.sleep(1000);
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
			
		});
		
		long start = System.currentTimeMillis();
		a.start();
		b.start();
		a.join();
		b.join();
		
		long end = System.currentTimeMillis();
		
		System.out.println("time:" + (end-start));
		
		
		
	}
}