我们如何在Java中停止一个线程？

每当我们想要通过调用Java中Thread类的stop()方法来停止一个正在运行的线程时，该方法会停止正在运行的线程的执行，并将其从等待线程池中移除并进行垃圾回收。当线程达到其方法的末尾时，它也会自动转移到死亡状态。由于线程安全问题，stop()方法在Java中已被弃用。

语法

@Deprecated
public final void stop()

示例

import static java.lang.Thread.currentThread;
public class ThreadStopTest {
   public static void main(String args[]) throws InterruptedException {
      UserThread userThread = new UserThread();
      Thread thread = new Thread(userThread, "T1");
      thread.start();
      System.out.println(currentThread().getName() + " is stopping user thread");
      userThread.<strong>stop()</strong>;
      Thread.sleep(2000);
      System.out.println(currentThread().getName() + " is finished now");
   }
}
class UserThread implements Runnable {
   private volatile boolean exit = false;
   public void run() {
      while(!exit) {
         System.out.println("The user thread is running");
      }
      System.out.println("The user thread is now stopped");
   }
   public void stop() {
      exit = true;
   }
}

输出

main is stopping user thread
The user thread is running
The user thread is now stopped
main is finished now

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