Java-program/Calculator.java at main · nayankhade/Java-program · GitHub

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import java.util.Scanner;

public class Calculator {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        System.out.println("Enter First numer");
        int a = sc.nextInt();

        System.out.println("Enter Second Number");
        int b = sc.nextInt();

        System.out.println("Enter the operation");
        sc.nextLine();
        char operation = sc.nextLine().charAt(0);

        int result = 0;

        switch (operation) {
            case '+':
                result = a + b;
                break;

            case '-':
                result = a - b;
                break;

            case '*':
                result = a * b;
                break;

            case '/':
                result = a / b;
                break;
            default:
                System.out.println("Invalid Operation");
        }
        System.out.println("The result is" + result);
    }
}