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How to interrupt or stop the threads

 
Ja King
Greenhorn
Posts: 28
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I am running multiple threads (Assume Thread1,Thread2,Thread3) for doing single operation.If any one of the threads done that operation(Thread2) then the remaining threads(Thread1,Thread3) will stop suddenly.

please guide me how to kill that remaining threads suddenly.I don't know how to stop it suddenly.(Marked in red color).

Ex:

import java.util.Random;


class RandomGenerator implements Runnable{

public void run(){
random();
}

public void random(){
Random random = new Random();
int randomNum = 0;
do{
randomNum = random.nextInt(100);
}while(!(randomNum == 5));
System.out.println(Thread.currentThread() + " identified the random number : " + randomNum);
}
}

public class TestThread1 {
public static void main(String args[]){
RandomGenerator rg = new RandomGenerator();
Thread th1 = new Thread(rg,"Thread1");
th1.start();
Thread th2 = new Thread(rg,"Thread2");
th2.start();
Thread th3 = new Thread(rg,"Thread3");
th3.start();
}

}


Actual output :
Thread[Thread2,5,main] identified the random number : 5
Thread[Thread1,5,main] identified the random number : 5
Thread[Thread3,5,main] identified the random number : 5

Expected output:
Thread[Thread2,5,main] identified the random number : 5
Thread1 killed
Thread2 Killed

Note: Don't use boolean variable to check continuously.
 
Steve Luke
Bartender
Posts: 4181
21
IntelliJ IDE Java Python
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This is a double post from this previous thread: http://www.coderanch.com/t/517801/java/java/Thread-Interruption. If you could please CarefullyChooseOneForum so people don't duplicate effort. Since there is already a response in the other thread, I suggest we keep the conversation running there. If you would like we can move that thread to this forum. In the mean time I will lock this one so we don't have two parallel conversations running.
 
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