Java program to create multiple threads

Java example to create multiple threads.
Submitted by Nidhi, on April 06, 2022

Problem statement

In this program, we will create a thread with the runnable interface. Then we will create three threads and execute them.

Java program to create multiple threads

The source code to create multiple threads is given below. The given program is compiled and executed successfully.

// Java program to create multiple threads

class MyThread implements Runnable {
  public void run() {
    int i = 0;

    for (i = 1; i <= 3; i++)
      System.out.println("Thread " + Thread.currentThread().getId() + " is running");
  }
}

public class Main {
  public static void main(String[] args) {
    Thread t1 = new Thread(new MyThread());
    Thread t2 = new Thread(new MyThread());
    Thread t3 = new Thread(new MyThread());

    t1.start();
    t2.start();
    t3.start();
  }
}

Output

Thread 10 is running
Thread 10 is running
Thread 10 is running
Thread 11 is running
Thread 11 is running
Thread 11 is running
Thread 12 is running
Thread 12 is running
Thread 12 is running

Explanation

In the above program, we created two classes MyThread and Main. We created MyThread class by implementing the Runnable interface.

The Main class contains a main() method. The main() method is the entry point for the program. Here, we created the 3 threads and executed them and printed the appropriate messages.