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import java.util.Scanner; class Labfinal { public static void Area() { Scanner input = new Scanner(System.in); System.out.println("Enter the radius:"); double a = input.nextDouble(); double areacircle = Math.PI * Math.pow(a, 2); System.out.println("The area of a circle is: " + areacircle); } public static void calculateRectangleArea() { Scanner scanner = new Scanner(System.in); System.out.print("Enter the length of the rectangle: "); double length = scanner.nextDouble(); System.out.print("Enter the width of the rectangle: "); double width = scanner.nextDouble(); double area = length * width; System.out.println("The area of the rectangle is: " + area); } public static void calculateCubeVolume() { Scanner scanner = new Scanner(System.in); System.out.print("Enter the side of the cube: "); double side = scanner.nextDouble(); double volume = side * side * side; System.out.println("The volume of the cube is: " + volume); } public static void main(String[] args) { Area(); calculateRectangleArea(); calculateCubeVolume(); } }
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