Write a Java program to print the area and perimeter of a square

This example will provide how to print the area and perimeter of a square in Java.

Example:

package octopuscodes.com.demo;

import java.util.Scanner;

public class Demo {

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);
		System.out.print("a: ");
		double a = scanner.nextDouble();

		double area = a * a;
		double perimeter = a * 4;

		System.out.println("Area : " + area);
		System.out.println("Perimeter : " + perimeter);

	}

}

Output:

a: 5
Area : 25.0
Perimeter : 20.0