Write a java program to display addition program and subtraction program with 2 sec time gap

Write a java program to display addition program and subtraction program with 2 sec time gap

Program

import java.util.*;
class A
{
    int x,y,z;
    A()
    {
        Scanner s=new Scanner(System.in);
        System.out.println("Enter x,y Values : ");
        x=s.nextInt();
        y=s.nextInt();
    }
}
class ThDemo extends A implements Runnable
{
    void add()
    {
        z=x+y;
        System.out.println("Addition is : "+z);
    }
    void sub()
    {
        z=x-y;
        System.out.println("Subtraction is : "+z);
    }
    public void run()
    {
        try
        {
            add();
            Thread.sleep(2000);
            sub();
        }
        catch(Exception e)
        {
            System.out.println(e);
        } 
    }
}
public class Main
{
    public static void main(String args[])
    {
        ThDemo d=new ThDemo();
        Thread t=new Thread(d);
        t.start();
    }
}

Enter x,y Values : 12 12
Addition is : 24
Subtraction is : 0

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