源码层面解析Thread.sleep()为什么需要抛异常？

public class SleepDemo {
  public static void main(String[] args) throws InterruptedException {
    Process process = new Process();
    Thread thread = new Thread(process);
    thread.setName("线程Process");
    thread.start();

    for (int i = 0; i < 10; i++) {
      System.out.println(Thread.currentThread().getName() + "-->" + i);
      //阻塞main线程，休眠一秒钟
      Thread.sleep(1000);
    }
  }
}

/**
 * 线程类
 */
class Process implements Runnable {

  @Override
  public void run() {

    for (int i = 0; i < 10; i++) {
      System.out.println(Thread.currentThread().getName() + "-->" + i);

      //休眠一秒钟
      try {
        Thread.sleep(1000);
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
    }

  }
}

中标时间：2021-09-02 15:03

完成时间：2021-09-02 15:08