Math tutor.java

Write a program that lets the user enter 2 numeric values, and an arithmetic operator: +, -, * and /. Write a switch statement that displays the result of the calculation using the operator and two numbers entered by the user.

 1 package chapter4;
 2 
 3 import java.util.Scanner;
 4 
 5 public class MathTutor {
 6 
 7         public static void main(String[] args) {
 8 
 9                 Scanner scan = new Scanner(System.in);
10                 
11                 int num1, num2;
12                 String oper;
13                 
14                 System.out.print("Enter 2 numbers and an  an arithmetic operator: +,-,* and / : ");
15                 num1 = scan.nextInt();
16                 num2 = scan.nextInt();
17                 oper = scan.next();
18                 
19                 switch(oper)
20                 {
21                 
22                 case "+":
23                         System.out.println(num1 + " + " + num2 + " = " + (num1 + num2));
24                         break;
25                         
26                 case "-":
27                         System.out.println(num1 + " - " + num2 + " = " + (num1 - num2));
28                         break;
29                         
30                 case "*":
31                         System.out.println(num1 + " * " + num2 + " = " + (num1 * num2));
32                         break;
33                         
34                 case "/":
35                         System.out.println(num1 + " / " + num2 + " = " + (num1 / num2));
36                         break;
37                         
38                 default:
39                         System.out.println("Wrong input!" + oper);
40                 
41                 }
42                 
43                 
44                 
45 
46         }
47 
48 }
49