Hi Friend,

Try this:

import java.util.*;
class  distance
{
    int km1,km2,km3;
    public void run(){
    Scanner input=new Scanner(System.in);
    System.out.print("Enter km1: ");
    km1=input.nextInt();

    System.out.print("Enter km2: ");
    km2=input.nextInt();
    km3=km1+km2;
    }
    public void display(){
        System.out.println("Total distance is: "+km3);
    }
    public static void main(String[] args) 
    {
    distance d=new distance();
    d.run();
    d.display();
    }
}

Thanks