Swing I - Absolute Java - page 1011

36. A JTextField object displays only a single line. A JTextArea object can display
more than one line of text.
37. The contents of the text field would change to "Hello Hello Hello " followed
by your name.
38. This program is on the website that accompanies this text. extra code

on website

import javax.swing.JFrame;
import javax.swing.JTextArea;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JButton;
import java.awt.GridLayout;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Color;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class TextAreaDemo extends JFrame

implements ActionListener

{
public static final int WIDTH = 400;
public static final int HEIGHT = 200;
public static final int NUMBER_OF_LINES = 10;

public static final int NUMBER_OF_CHAR = 30;

private JTextArea story;

public static void main(String[] args)
{
TextAreaDemo gui = new TextAreaDemo();
gui.setVisible( true );
}

public TextAreaDemo()
{
setTitle("Text Area Demo");
setSize(WIDTH, HEIGHT);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout( new GridLayout(2, 1));
JPanel storyPanel = new JPanel();
storyPanel.setLayout( new BorderLayout());
storyPanel.setBackground(Color.WHITE);

story = new JTextArea(NUMBER_OF_LINES, NUMBER_OF_CHAR);