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Scala program to implement multi-tasking using thread

Here, we are going to learn how to implement multi-tasking using thread in Scala programming language?
Submitted by Nidhi, on June 24, 2021

Problem Solution:

Here, we will implement multitasking by creating a class extended by Thread class. And, we will override the run() method and also defined one more method to demonstrate multi-tasking using thread.

Program/Source Code:

The source code to implement multi-tasking using thread is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Scala program to implement multi-tasking
// using thread

class MyThread extends Thread {
  override def run() {
    var cnt: Int = 0;

    while (cnt < 5) {
      println("###cnt: " + cnt);
      Thread.sleep(100);
      cnt = cnt + 1;
    }
  }

  def myTask() {
    var cnt: Int = 0;

    while (cnt < 5) {
      println("@@@cnt: " + cnt);
      cnt = cnt + 1;
      Thread.sleep(200);
    }
  }
}

object Sample {
  // Main method
  def main(args: Array[String]) {
    var thrd = new MyThread();

    thrd.start();
    thrd.myTask();
  }
}

Output:

@@@cnt: 0
###cnt: 0
###cnt: 1
@@@cnt: 1
###cnt: 2
###cnt: 3
@@@cnt: 2
###cnt: 4
@@@cnt: 3
@@@cnt: 4

Explanation:

Here, we used an object-oriented approach to create the program. And, we created an object Sample.

Here, we created a class MyThread by extending the thread class and implement the run() method and also defined one more method myTask() to demonstrate multi-tasking using thread.

And, we also created a singleton object Sample and defined the main() function. The main() function is the entry point for the program.

In the main() function, we created an object of the MyThread class and start thread execution, and also call myTask() method.

Scala Threading Programs »


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