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习08.04 在Applet中显示数字时钟
...............................\.classpath
...............................\.project
...............................\bin
...............................\...\DateTimeJApplet.class
...............................\...\DateTimeJApplet.html
...............................\...\DateTimeJLabel.class
...............................\...\java.policy.applet
...............................\src
...............................\...\DateJApplet.class
...............................\...\DateTimeJApplet.class
...............................\...\DateTimeJApplet.html
...............................\...\DateTimeJApplet.java
...............................\...\DateTimeJLabel.class
...............................\...\DateTimeJLabel.java