ReentrantLock 源码解析

2021-03-11T10:00:00+08:00

测试代码


public class App {
	public static void main(String[] args) {
		
		test1();
	}
	
	public static void test1() {
		Lock lock = new ReentrantLock();
		Thread t1 = new Thread(() -> {
			lock.lock();
			System.out.println("线程 " + Thread.currentThread().getId() + " 获得锁");
			try {
				Thread.sleep(50000000);
			} catch (InterruptedException e) {
				System.out.println("线程 " + Thread.currentThread().getId() + " 释放锁");
			} finally {
				lock.unlock();
			}
		});
		t1.start();
		
		try {
			Thread.sleep(1000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		
		
		Thread t2 = new Thread(()->{
			lock.lock();
			System.out.println("线程 " + Thread.currentThread().getId() + " 获得锁");
			lock.unlock();
		});
		t2.start();
		Scanner scanner=new Scanner(System.in);
		scanner.nextLine();
	}
	
	public static void test2(){
	
	}
}

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ReentrantLock 源码解析

测试代码