SIMPLE CALCULATOR PROGRAM

import java.util.;
public class calculator {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("ENTER TWO NUMBERS");
int n1=sc.nextInt();
int n2=sc.nextInt();
System.out.println(" ENTER + FOR ADDITION");
System.out.println(" ENTER - FOR SUBTRACTION");
System.out.println(" ENTER * FOR MULTIPLICATION");
System.out.println(" ENTER / FOR DIVISION");
char ch = sc.next().charAt(0);
switch(ch)
{
case '+':
System.out.println("You have chosen addition");
int sum = n1+n2;
System.out.println(n1+"+"+n2+ " = " + sum);
break;
case '-':
System.out.println("You have chosen subtraction");
int difference = n1-n2;
System.out.println(n1+"-"+n2+ " = " + difference);
break;
case ' * ':
System.out.println("You have chosen multiplication");
int product = n1n2;
System.out.println(n1+"*"+n2+ " = " + product);
break;
case '/':
System.out.println("You have chosen division");
int divide = n1/n2;
System.out.println(n1+"/"+n2+ " = " + divide);
break;
}
}
}