GUI TextArea

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

class TestTextArea extends JFrame implements ActionListener

{

private static final int FRAME_WIDTH = 400;

private static final int FRAME_HEIGHT = 200;

private static final int FRAME_X_ORIGIN = 150;

private static final int FRAME_Y_ORIGIN = 250;

private static final int BUTTON_WIDTH = 80;

private static final int BUTTON_HEIGHT = 30;

private JTextArea textArea;

private String str="";

public TestTextArea( )

{

setTitle("Sample Frame with Button Events");

setSize(FRAME_WIDTH, FRAME_HEIGHT);

setLocation(FRAME_X_ORIGIN, FRAME_Y_ORIGIN);

setResizable(false);

Container contentPane = getContentPane();

contentPane.setLayout(null);

contentPane.setBackground(Color.white);

textArea = new JTextArea();

textArea.setText("The quick brown fox...");

textArea.setEditable(true);

textArea.setLineWrap(true);

textArea.setWrapStyleWord(true);

contentPane.add(textArea);

JScrollPane scrollText = new JScrollPane(textArea);

scrollText.setBounds(50, 50, 300, 100);

scrollText.setBorder(BorderFactory.createLineBorder(Color.black));

contentPane.add(scrollText);

setDefaultCloseOperation(EXIT_ON_CLOSE);

}

public void actionPerformed(ActionEvent event)

{

}

public static void main(String[] args)

{

TestTextArea frame = new TestTextArea();

frame.setVisible(true);

frame.display();

}

public void display()

{

for(int i=0; i<1000; i++)

{

str = str + i + "\n";

textArea.setText(str);

}

}

}