calculator.java

package CoreJava;
import java.util.*;

public class calculatorusingtwoinput {
    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int operator = sc.nextInt();

        switch(operator){
            case 1 : System.out.println(a+b);
            break;
            case 2 : System.out.println(a-b);
            break;
            case 3 : System.out.println(a*b);
            break;
            case 4 : if(b == 0){
                System.out.println("Invalid Division");
            } else{
                System.out.println(a/b);
            }
            break;
            case 5 : if(b == 0) {
                System.out.println("Invalid Division");
            } else{
                System.out.println(a%b);
            }
            break;

            default :
                System.out.println("Invalid Operator");

        }
    }
}