Code example for ReentrantLock

Methods: tryLock, unlock

0
package concurrency; 
 
import java.util.concurrent.TimeUnit; 
import java.util.concurrent.locks.ReentrantLock; 
 
public class AttemptLocking { 
 
	private ReentrantLock lock = new ReentrantLock();
	public void untimed(){ 
		boolean captured = lock.tryLock();
		try{ 
			System.out.println("tryLock():" + captured);
		}finally{ 
			if(captured)
				lock.unlock();
		}	 
	} 
	public void timed(){ 
		boolean captured = false;
		try{ 
			captured = lock.tryLock(2,TimeUnit.SECONDS);
		}catch(InterruptedException e){
			throw new RuntimeException(e);
		} 
		try{