ToolTipを表示する

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/**
* $Id: tooltips.html,v 1.1 2009/06/22 16:12:30 kishi Exp kishi $
*/

public class ToolTipsTest extends JFrame {

    public static void main( String args[] ) {
        new ToolTipsTest();
    }

    public ToolTipsTest() {
        setTitle( "Tool Tipsのテスト" );
        getContentPane().setLayout( new FlowLayout() );

        JButton button1 = new JButton( "ボタン１" );
        button1.setToolTipText( "ボタン１の説明" );
        getContentPane().add( button1 );

        JButton button2 = new JButton( "ボタン２" );
        button2.setToolTipText( "ボタン２の説明" );
        getContentPane().add( button2 );

        setSize( 300, 100 );
        setVisible( true );

        addWindowListener( new WindowAdapter() {
                               public void windowClosing( WindowEvent e ) {
                                   System.exit( 0 );
                               }
                           }
                         );

    }

}