/*
   From pages 108-109 of "Java for Students."
   This program demonstrates the use of a TextField
   component in the Graphical User Interface.
   This program also demonstrates how to read in an
   interger value from the TextField.
*/
import java.applet.*;
import java.awt.*;
import java.awt.event.*;

public class AgeCheck extends Applet implements ActionListener
{
    private TextField ageField;
    private int age;

    public void init() {
        ageField = new TextField(10);
        add(ageField);
        ageField.addActionListener(this);
    }

    public void paint (Graphics g) {
        g.drawString("Age is " + age, 50, 50);
        if (age >= 18)
            g.drawString("You can vote", 50, 100);
        else
            g.drawString("You cannot vote", 50,100);
    }

    public void actionPerformed(ActionEvent event) {
        if (event.getSource() == ageField)
            age = Integer.parseInt( ageField.getText() );
        repaint();
    }
}