Java program to create a group of a thread

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mahmoud2506

2022-05-07

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In this program, we will create a thread group using ThreadGroup class and add child threads to the group, and executed them.

Program/Source Code:

The source code to create a group of a thread is given below. The given program is compiled and executed successfully.

// Java program to create a group of a thread

class MyThread extends Thread {
  MyThread(String threadname, ThreadGroup tg) {
    super(tg, threadname);
    start();
  }
  public void run() {
    System.out.println(Thread.currentThread().getName() + " is running");
  }
}

public class Main {
  public static void main(String[] args) {
    try {
      ThreadGroup group = new ThreadGroup("Parent thread");

      MyThread t1 = new MyThread("Child Thread1", group);
      MyThread t2 = new MyThread("Child Thread2", group);
      MyThread t3 = new MyThread("Child Thread3", group);

    } catch (Exception e) {
      System.out.println(e);
    }
  }
}

Output:

Child Thread1 is running
Child Thread3 is running
Child Thread2 is running

Explanation:

In the above program, we created two classes MyThread and Main. We created MyThread class by extending the Thread class.

The Main class contains a main() method. The main() method is the entry point for the program. Here, we created an object of ThreadGroup class and added the child thread into the thread group and executed them.

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Java program to create a group of a thread

Java program to create a group of a thread

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