package thirdPdf;

import javax.swing.*;
import javax.swing.plaf.FontUIResource;
import java.awt.*;

import static javax.swing.JOptionPane.showInputDialog;
import static javax.swing.JOptionPane.showMessageDialog;

/**
 * Created by Kurnosova Iryna on 01.10.2017.
 */
public class Square {
    public static void main(String[] args) {

        UIManager.put("OptionPane.messageFont", new FontUIResource(new Font("Arial", Font.ITALIC, 15)));
        UIManager.put("OptionPane.buttonFont", new FontUIResource(new Font("Arial", Font.ITALIC, 18)));

        String inputBorder = showInputDialog(null, "Enter the last digit ", "Border digit", JOptionPane.QUESTION_MESSAGE);
        int digitBorder, result = 0;
        digitBorder = Integer.parseInt(inputBorder);

        //first variant of a loop

        /*for(int i = 1; i <= digitBorder; i++){
            result += Math.pow(i, 2.0);
        }*/

        //second variant of a loop
        int i = 1;
        while(i <= digitBorder){
            result += Math.pow(i, 2.0);
            i++;
        }
        showMessageDialog(null, result, "Square", JOptionPane.INFORMATION_MESSAGE);
    }
}