num3

import java.util.Scanner;

public class SamsonGradedExer2Num3 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        char choice;

        System.out.println("Choose a shape to compute the area:");
        System.out.println("C - Circle");
        System.out.println("S - Square");
        System.out.println("R - Rectangle");
        System.out.println("T - Triangle");
        System.out.print("Enter your choice: ");
        choice = sc.next().toUpperCase().charAt(0);

        switch (choice) {
            case 'C':
                System.out.print("Enter the radius of the circle: ");
                double radius = sc.nextDouble();
                double circleArea = Math.PI * radius * radius;
                System.out.println("Area of the Circle = " + circleArea);
                break;

            case 'S':
                System.out.print("Enter the side of the square: ");
                double side = sc.nextDouble();
                double squareArea = side * side;
                System.out.println("Area of the Square = " + squareArea);
                break;

            case 'R':
                System.out.print("Enter the length of the rectangle: ");
                double length = sc.nextDouble();
                System.out.print("Enter the width of the rectangle: ");
                double width = sc.nextDouble();
                double rectangleArea = length * width;
                System.out.println("Area of the Rectangle = " + rectangleArea);
                break;

            case 'T':
                System.out.print("Enter the base of the triangle: ");
                double base = sc.nextDouble();
                System.out.print("Enter the height of the triangle: ");
                double height = sc.nextDouble();
                double triangleArea = 0.5 * base * height;
                System.out.println("Area of the Triangle = " + triangleArea);
                break;

            default:
                System.out.println("Invalid choice. Please choose C, S, R, or T.");
        }

        sc.close();
    }
}