Area Calculator(alan hesaplayıcı)

import java.util.Scanner;

public class AreaCalculator {

public static void main(String[] args) {
//Taking inputs from the user
Scanner input=new Scanner(System.in);

System.out.println("Enter the number of sides");

int n = input.nextInt();

System.out.println("Enter the side");

double side = input.nextDouble();

calculateArea(n,side);


}
public static double calculateArea(int n, double side){

//Calculation for the finding area
double area = (n*side*side)/(4*(Math.tan(Math.PI/n)));

System.out.println("area is "+ area);

return area;


}
}