JAVA PROGRAMMING TUTORIAL 5: A BASIC CALCULATOR

import java.util.Scanner; /* for getting scanner */

public class HackDefence{

public static void main(String[]args){

Scanner Dipankar = new Scanner (System.in);

double FirstNum,SecondNum,Answer;

System.out.println("Enter first number :");

FirstNum = Dipankar.nextDouble();

System.out.println("Enter second number :");

SecondNum = Dipankar.nextDouble();

Answer = FirstNum + SecondNum;

System.out.print(Answer);

}
}

OUTPUT: