Java线程休眠之sleep方法详解

package com.example.demo.runnable.ChapterOne;
import java.util.concurrent.locks.ReentrantLock;
/**
 * @author 49800
 */
public class SleepTest {
    private static final ReentrantLock lock = new ReentrantLock();
    public static void main(String[] args) {
        Thread threadA = new Thread(() -> {
            lock.lock();
            try {
                System.out.println("ThreadA 在执行了");
                Thread.sleep(10000);
                System.out.println("ThreadA 执行完成了");
            } catch (Exception e) {
                e.printStackTrace();
            }finally {
                lock.unlock();
            }
        });
        Thread threadB = new Thread(() -> {
            lock.lock();
            try {
                System.out.println("ThreadB 在执行了");
                Thread.sleep(10000);
                System.out.println("ThreadB 执行完成了");
            } catch (Exception e) {
                e.printStackTrace();
            }finally {
                lock.unlock();
            }
        });
        threadA.start();
        threadB.start();
        System.out.println("Main 方法已经在执行了");
        try {
            threadA.join();
            threadB.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("Main 方法已经在执行完成了");
    }
}

package com.example.demo.runnable.ChapterOne;
/**
 * @author 49800
 */
public class SleepExceptionTest {
    public static void main(String[] args) {
        Thread thread = new Thread(() -> {
            try {
                System.out.println("开始执行");
                Thread.sleep(10000);
                System.out.println("执行完毕");
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        });
        thread.start();
        try {
            // Main 方法睡眠3s
            Thread.sleep(3000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        thread.interrupt();
    }
}