package gui;

/**

* RUN:

* javac gui/TextArea.java && java gui.TextArea

* OUTPUT:

*

*/

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.util.*;

import net.mindview.util.*;

public class TextArea extends JFrame {

private JButton b = new JButton("Add Data");

private JButton c = new JButton("Clear Data");

private JTextArea t = new JTextArea(20, 40);

private Map<String, String> m = new HashMap<String, String>();

public TextArea() {

m.putAll(Countries.capitals());

b.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e){

for (Map.Entry me : m.entrySet()) {

t.append(me.getKey() + ": " + me.getValue() + "\n");

}

}

});

c.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e) {

t.setText("");

}

});

setLayout(new FlowLayout());

add(new JScrollPane(t));

add(b);

add(c);

}

public static void main(String[] args) {

SwingConsole.run(new TextArea(), 475, 425);

}

}