Untitled

public class AreaCalculator {

    // Method to calculate the area of a circle
    public double area(double radius) {
        return Math.PI * radius * radius;
    }

    // Method to calculate the area of a rectangle
    public double area(double length, double width) {
        return length * width;
    }

    // Method to calculate the area of a square
    public double area(int side) {
        return side * side;
    }

    public static void main(String[] args) {
        AreaCalculator calculator = new AreaCalculator();

        // Calculate area of a circle
        double circleRadius = 5.0;
        double circleArea = calculator.area(circleRadius);
        System.out.println("Area of the circle: " + circleArea);

        // Calculate area of a rectangle
        double rectangleLength = 4.0;
        double rectangleWidth = 6.0;
        double rectangleArea = calculator.area(rectangleLength, rectangleWidth);
        System.out.println("Area of the rectangle: " + rectangleArea);

        // Calculate area of a square
        int squareSide = 3;
        double squareArea = calculator.area(squareSide);
        System.out.println("Area of the square: " + squareArea);
    }
}