File list (Check if you may need any files):
chap01
......\.classpath
......\.project
......\bin
......\...\com
......\...\...\hbj
......\...\...\...\chap01
......\...\...\...\......\ControlPanel$1.class
......\...\...\...\......\ControlPanel$2.class
......\...\...\...\......\ControlPanel$3.class
......\...\...\...\......\ControlPanel$4.class
......\...\...\...\......\ControlPanel$5.class
......\...\...\...\......\ControlPanel$6.class
......\...\...\...\......\ControlPanel$7.class
......\...\...\...\......\ControlPanel$ControlKeyListener.class
......\...\...\...\......\ControlPanel$TipPanel.class
......\...\...\...\......\ControlPanel.class
......\...\...\...\......\ErsBlock.class
......\...\...\...\......\ErsBlocksGame$1.class
......\...\...\...\......\ErsBlocksGame$10.class
......\...\...\...\......\ErsBlocksGame$11.class
......\...\...\...\......\ErsBlocksGame$12.class
......\...\...\...\......\ErsBlocksGame$13.class
......\...\...\...\......\ErsBlocksGame$14.class
......\...\...\...\......\ErsBlocksGame$15.class
......\...\...\...\......\ErsBlocksGame$2.class
......\...\...\...\......\ErsBlocksGame$3.class
......\...\...\...\......\ErsBlocksGame$4.class
......\...\...\...\......\ErsBlocksGame$5.class
......\...\...\...\......\ErsBlocksGame$6.class
......\...\...\...\......\ErsBlocksGame$7.class
......\...\...\...\......\ErsBlocksGame$8.class
......\...\...\...\......\ErsBlocksGame$9.class
......\...\...\...\......\ErsBlocksGame$Game.class
......\...\...\...\......\ErsBlocksGame.class
......\...\...\...\......\ErsBox.class
......\...\...\...\......\GameCanvas.class
......\...\...\...\......\test.class
......\src
......\...\com
......\...\...\hbj
......\...\...\...\chap01
......\...\...\...\......\ControlPanel.java
......\...\...\...\......\ErsBlock.java
......\...\...\...\......\ErsBlocksGame.java
......\...\...\...\......\ErsBox.java
......\...\...\...\......\GameCanvas.java
......\...\...\...\......\test.java