import java.util.Scanner;

public class SimpleCalculatorSwitch {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.print("""

Calculator

1. Addition

2. Subtraction

3. Multiplication

4. Division

Choice a function: \s""");

int option = sc.nextInt();

switch (option) {

case 1 -> {

System.out.println("Enter the first value: ");

int a = sc.nextInt();

System.out.println("Enter the second value: ");

int b = sc.nextInt();

int sum = a + b;

System.out.println("Addition: " + sum);

}

case 2 -> {

System.out.println("Enter the first value: ");

int a = sc.nextInt();

System.out.println("Enter the second value: ");

int b = sc.nextInt();

int sub = a - b;

System.out.println("Subtraction: " + sub);

}

case 3 -> {

System.out.println("Enter the first value: ");

int a = sc.nextInt();

System.out.println("Enter the second value: ");

int b = sc.nextInt();

int mul = a * b;

System.out.println("Multiplication: " + mul);

}

case 4 -> {

System.out.println("Enter the first value: ");

int a = sc.nextInt();

System.out.println("Enter the second value: ");

int b = sc.nextInt();

int div = a / b;

System.out.println("Division: " + div);

}

default -> System.out.println("Invalid option");

}

}

}