Calculator Interface

package q18023;
// import required classes --> thisll be scanner
import java.util.Scanner;

// Define interface Calculator { }
interface Calculator {
	double add(int a, int b);
	double subtract(int a, int b);
	double multiply(int a, int b);
	double divide(int a, int b);
}
class BasicCalculator implements Calculator {
	@Override
	public double add(int a, int b) {
		return a + b;
	}

	@Override
	public double subtract(int a, int b) {
		return a - b;
	}

	@Override
	public double multiply(int a, int b) {
		return a * b;
	}

	@Override
	public double divide(int a, int b) {
if (b == 0) {
System.out.println("Cannot divide by zero");
return 0;
}
return (double) a/b;
	}
   // Define required methods
}
public class Calc {
    public static void main(String[] args) {
        Calculator calculator = new BasicCalculator();
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        double result1 = calculator.add(a, b);
        double result2 = calculator.subtract(a, b);
        double result3 = calculator.multiply(a, b);
        double result4 = calculator.divide(a, b);

        System.out.println("Addition: " + result1);
        System.out.println("Subtraction: " + result2);
        System.out.println("Multiplication: " + result3);
        System.out.println("Division: " + result4);
   
        
    }
}