Write a Java program that requests the width (x) and height (y) of a rectangle and calculate the perimeter, area and diagonal.
4 6
Perimeter: 20 Area: 24 Diagonal: 7.211102550927978
import java.io.*; public class DoubleValue { public static void main(String[] args) throws IOException { BufferedReader obj = new BufferedReader(new InputStreamReader(System.in)); double a = Double.parseDouble(obj.readLine()); double b = Double.parseDouble(obj.readLine()); double perimeter = a * 2 + b * 2; double area = a * b; double diagonal = Math.sqrt(a * a + b * b); System.out.println("Perimeter: " + perimeter); System.out.println("Area: " + area); System.out.println("Diagonal: " + diagonal); } }
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