In this tutorial we will learn how to calculate area of Square. Following are the two ways to do it:
1) Program 1: Prompting user for entering the side of the square
2) Program 2: Side of the square is specified in the program’ s source code.
Program 1:
/** * @author: BeginnersBook.com * @description: Program to Calculate Area of square.Program * will prompt user for entering the side of the square. */ import java.util.Scanner; class SquareAreaDemo { public static void main (String[] args) { System.out.println("Enter Side of Square:"); //Capture the user's input Scanner scanner = new Scanner(System.in); //Storing the captured value in a variable double side = scanner.nextDouble(); //Area of Square = side*side double area = side*side; System.out.println("Area of Square is: "+area); } }
Output:
Enter Side of Square: 2.5 Area of Square is: 6.25
Program 2:
/** * @author: BeginnersBook.com * @description: Program to Calculate Area of square. * No user interaction: Side of square is hard-coded in the * program itself. */ class SquareAreaDemo2 { public static void main (String[] args) { //Value specified in the program itself double side = 4.5; //Area of Square = side*side double area = side*side; System.out.println("Area of Square is: "+area); } }
Output:
Area of Square is: 20.25
william says
please keep on sending me any new update in java programming