package firstPdf;

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

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

/**
 * Created by Kurnosova Iryna on 29.09.2017.
 */
public class EnteringInteger {
    public static void main(String[] args) {

        UIManager.put("OptionPane.messageFont", new FontUIResource(new Font("Serif", Font.BOLD, 22)));
        UIManager.put("OptionPane.buttonFont", new FontUIResource( new Font("Arial", Font.ITALIC , 20)));

        String result, text = "Enter your birth year: ";
        int CurrentYear = Calendar.getInstance().get(Calendar.YEAR), year, age;

        result = showInputDialog(null, text, "Year of birth", QUESTION_MESSAGE);

        year = Integer.parseInt(result);
        age = CurrentYear - year;

        showMessageDialog(null, "You are " + age + " years old.", "Your age", JOptionPane.WARNING_MESSAGE);
    }
}