JAVAS3/thread.java at main · arunikrish24/JAVAS3 · GitHub

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import java.util.*;
 class MultiplicationTable extends Thread {

    public void run() {

        System.out.println("Multiplication Table of 5:");

        for (int i = 1; i <= 10; i++) {

            System.out.println("5 x " + i + " = " + (5 * i));

            try {

                Thread.sleep(100);

            } catch (InterruptedException e) {

                System.out.println(e);

            }

        }

    }

}

class PrimeNumbers extends Thread {

    int n;

    PrimeNumbers(int n) {

        this.n = n;

    }

    public void run() {

        System.out.println("\nFirst " + n + " Prime Numbers:");

        int count = 0, num = 2;

        while (count < n) {

            if (isPrime(num)) {

                System.out.print(num + " ");

                count++;

            }

            num++;

        }

        System.out.println();

    }

    boolean isPrime(int number) {

        if (number <= 1) return false;

        for (int i = 2; i <= Math.sqrt(number); i++) {

            if (number % i == 0) return false;

        }

        return true;

    }

}

public class thread
{

    public static void main(String[] args) {

        MultiplicationTable mt = new MultiplicationTable();

        PrimeNumbers pn = new PrimeNumbers(10);

        mt.start();

        pn.start();

    }

}