code

import comp102x.IO;
import java.util.Scanner;
/**
 * Write a description of class Calculator here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Calculator
{
	Scanner user_input = new Scanner(System.in);
    int a=0,b=0;
	int answer = 0;
	String op = "Continue";
	    public void numbers() {
		IO.outputln("a = ");
		a = user_input.nextInt();
		IO.outputln("b = ");
		b = user_input.nextInt();
		IO.outputln("add/sub/mul/div/rem");
		String Menu = user_input.next();
		if (Menu.equals("add")) {
			answer = a + b;
		}
		else if (Menu.equals("sub")) {
			answer = a - b;
		}
	    else if (Menu.equals("mul")) {
			answer = a * b;
		}
		else if (Menu.equals("div")) {
			answer = a / b;
		}
		else if (Menu.equals("rem")) {
		                                 //this is where I want it to divide with a remainder.
		}
		System.out.println("a = " + a + "," + " b = " + b + ", function = " + Menu);
		System.out.println("Answer = " + answer);
		System.out.println("What is your option? Continue or Exit");
		op = user_input.next();
		if (op.equals("Continue")) {
		    numbers();
		  }
		if (op.equals("Exit")) {
			user_input.close();
			System.exit(0);
        }
        }
}