OOP-Ass_Feb3(with Details)

import java.util.*;
//yung class name is depende kung anong filename mo
public class Samson_Calculator {
    static void calcu(){

        Scanner sc = new Scanner(System.in);
        int a, b, ans;
        char operator;
        System.out.print("Enter First Number: ");
        a = sc.nextInt();
        System.out.print("Enter Second Number: ");
        b = sc.nextInt();
        System.out.print("Enter Operator (+, -, *, /): ");
        operator = sc.next().charAt(0);

        switch(operator){
            case '+':
                ans = a+b;
                System.out.println(a+" + "+b+" = "+ans);
                break;
            case '-':
                ans = a-b;
                System.out.println(a+" - "+b+" = "+ans);
                break;
            case '*':
                ans = a*b;
                System.out.println(a+" * "+b+" = "+ans);
                break;
            case '/':
                ans = a/b;
                System.out.println(a+" / "+b+" = "+ans);
                break;
            default:
                System.out.println("Invalid Operator.");
                break;
        }
    }
    public static void main(String[] args) throws Exception{
        try{
            calcu();
        }catch(InputMismatchException e){
            System.out.println("Invalid Data Type. Please Enter a Number.");
        }catch(ArithmeticException er){
            System.out.println(er.getMessage());
        }finally{
            System.out.println("Try Catch Block Executed Successfully...");
        }
    }
}