How do we stop a thread in Java?

Whenever we want to stop a running thread by calling the stop() method of the Thread class in Java, this method stops Execution of a running thread and removes it from the waiting thread pool and garbage collection. When a thread reaches the end of its method, it also automatically moves to the death state. Due to thread safety issues, the stop() method has been deprecated in Java.

Syntax

@Deprecated
public final void stop()

Example

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;
   }
}

Output

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

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