Develop Calculator Using Java

package com.java.basicprograms;

import java.util.*;

public class Calculator {

public static void main(String[] args) {
Double num1, num2, result;
Scanner sc = new Scanner(System.in);
System.out.println("Enetr num1");
num1 = sc.nextDouble();

System.out.println("Enetr num2");
num2 = sc.nextDouble();

System.out.println("Enter operator");
char operator = sc.next().charAt(0);

switch (operator) {
case '+':
result = num1 + num2;
break;

case '-':
result = num1 - num2;
break;

case '*':
result = num1 * num2;
break;

case '/':
result = num1 / num2;
break;

default:
System.out.println("Entered wrong operator");
return;

}
System.out.println(num1 + " " + operator + " " + num2 + ":   Result is:" + result);

}

}