SimpleCalculator.java

package HarshTamboli.SimpleCalculator;
import java.util.Scanner;
public class SimpleCalculator {
        public static void main(String args[]) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Simple Calculator");
        System.out.println("Enter the first number:");
        double num1 = scanner.nextDouble();
        System.out.println("Enter the second number:");
        double num2 = scanner.nextDouble();
        System.out.println("Select operation:");
        System.out.println("1. Addition (+)");
        System.out.println("2. Subtraction (-)");
        System.out.println("3. Multiplication (*)");
        System.out.println("4. Division (/)");
        int choice = scanner.nextInt();
        double result;
        switch (choice) {
            case 1:
                result = num1 + num2;
                System.out.println("Result: " + result);
                break;
            case 2:
                result = num1 - num2;
                System.out.println("Result: " + result);
                break;
            case 3:
                result = num1 * num2;
                System.out.println("Result: " + result);
                break;
            case 4:
                if (num2 == 0) {
                    System.out.println("Error: Division by zero");
                } else {
                    result = num1 / num2;
                    System.out.println("Result: " + result);
                }
                break;
            default:
                System.out.println("Invalid choice");
        }
        scanner.close();
    }
}