else without if

import java.util.Scanner;

public class areaOfFigures {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String figure=scanner.nextLine();

        if (figure.equals("square")){
            double side =Double.parseDouble(scanner.nextLine());
            double area = side * side;

        }
        else if (figure.equals("rectangle"));
        {

        }
        else if (figure.equals("circle")){


        }
        else if (figure.equals("triangle")){

        }



    }
}