GUI TextArea (append)

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

class MyTemplateGui extends JFrame implements ActionListener

{

private static final int FRAME_WIDTH = 500;

private static final int FRAME_HEIGHT = 500;

private static final int FRAME_X_ORIGIN = 500;

private static final int FRAME_Y_ORIGIN = 500;

private static final int BUTTON_WIDTH = 80;

private static final int BUTTON_HEIGHT = 30;

private JLabel promptText1;

private JTextArea textArea;

private JButton okButton;

private JButton cancelButton;

private JTextField inputLine;

public static void main(String[] args)

{

MyTemplateGui frame = new MyTemplateGui();

frame.setVisible(true);

}

public MyTemplateGui( )

{

super("Graphics Template Title");

Container contentPane = getContentPane();

contentPane.setLayout(null);

// setTitle ("Gab < kevin cone");

setSize (FRAME_WIDTH, FRAME_HEIGHT);

setLocation (FRAME_X_ORIGIN, FRAME_Y_ORIGIN);

// Color c = new Color(0,200,0); //rgb

// contentPane.setBackground(c);

contentPane.setBackground(Color.yellow);

okButton = new JButton("Ok");

okButton.setBounds(70, 125, BUTTON_WIDTH, BUTTON_HEIGHT);

contentPane.add(okButton);

okButton.addActionListener(this);

cancelButton = new JButton("Cancel");

cancelButton.setBounds(160,125, BUTTON_WIDTH, BUTTON_HEIGHT);

contentPane.add(cancelButton);

cancelButton.addActionListener(this);

promptText1 = new JLabel();

promptText1.setText("Text appears here...");

promptText1.setBounds(30, 20, 150, 25); // 30 from left, 20 from top, 150 length, 25 height

promptText1.setForeground(Color.black);

contentPane.add(promptText1);

inputLine = new JTextField();

inputLine.setBounds(30, 50, 150, 25);

contentPane.add(inputLine);

inputLine.addActionListener(this);

textArea = new JTextArea();

textArea.setBounds(30, 200, 430, 225);

textArea.setText("The quick brown fox...\nsome more text");

textArea.setEditable(false);

textArea.setLineWrap(true);

textArea.setWrapStyleWord(true);

contentPane.add(textArea);

setDefaultCloseOperation(EXIT_ON_CLOSE);

}

public void actionPerformed(ActionEvent event)

{

JButton clickedButton = (JButton) event.getSource();

if(clickedButton == okButton)

{

String inputString = "";

inputString = inputLine.getText();

textArea.append("\n" + inputString);

}

if(clickedButton == cancelButton)

{

System.exit(0);

}

}

}