钟表
....\build.xml
....\manifest.mf
....\nbproject
....\.........\build-impl.xml
....\.........\genfiles.properties
....\.........\private
....\.........\.......\config.properties
....\.........\.......\private.properties
....\.........\.......\private.xml
....\.........\project.properties
....\.........\project.xml
....\src
....\...\Clock.java
....\test