import java.io.*;
public class CalculateArea {
// Method to calculate the area of a circle
public double area(double radius) {
return Math.PI * radius * radius; // Formula: πr²
}
// Method to calculate the area of a triangle
public double area(double base, double height) {
return 0.5 * base * height; // Formula: ½ × base × height
}
// Method to calculate the area of a rectangle
public double area(int length, int width) {
return length * width; // Formula: length × width
}
public static void main(String[] args) {
CalculateArea calc = new CalculateArea();
// Create an object of the class
// Calculate and display areas
double circleArea = calc.area(7.0);
// Radius of circle
System.out.println("Area of Circle: " + circleArea);
double triangleArea = calc.area(5.0, 10.0);
// Base and height of triangle
System.out.println("Area of Triangle: " + triangleArea);
double rectangleArea = calc.area(8, 12);
// Length and width of rectangle
System.out.println("Area of Rectangle: " + rectangleArea);
}
}
