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Java program to set thread priority

Java example to set thread priority.
Submitted by Nidhi, on April 08, 2022

Problem Solution:

In this program, we will create a thread by the runnable interface. Then we will create multiple threads and set & get priorities of threads using setPriority(), getPriority() methods respectively. The default priority of a thread is 5. We can set thread priority 1 to 10.

Program/Source Code:

The source code to set thread priority is given below. The given program is compiled and executed successfully.

// Java program to set thread priority

class MyThread implements Runnable {
  public void run() {
    try {
      System.out.println("Thread : " + Thread.currentThread().getId());
    } catch (Exception e) {

    }
  }
}

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.setPriority(1);
    t2.setPriority(2);
    t3.setPriority(3);

    System.out.println("Thread Priority: " + t1.getPriority());
    System.out.println("Thread Priority: " + t2.getPriority());
    System.out.println("Thread Priority: " + t3.getPriority());

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

Output:

Thread Priority: 1
Thread Priority: 2
Thread Priority: 3
Thread : 11
Thread : 12
Thread : 10

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 three threads and set and get priorities of threads using setPriority(), getPriority() methods and printed the result.

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