File list (Check if you may need any files):
day07\07图形编程.ppt
.....\code\CVS\Entries
.....\....\...\Entries.Extra
.....\....\...\Entries.Extra.Old
.....\....\...\Entries.Old
.....\....\...\Repository
.....\....\...\Root
.....\....\day06\BasePlusSales.java
.....\....\.....\CanShow.java
.....\....\.....\Circle.java
.....\....\.....\.VS\Entries
.....\....\.....\...\Entries.Extra
.....\....\.....\...\Entries.Extra.Old
.....\....\.....\...\Entries.Old
.....\....\.....\...\Repository
.....\....\.....\...\Root
.....\....\.....\Employee.java
.....\....\.....\EmployeeTest.java
.....\....\.....\HelloWorld.java
.....\....\.....\Hourly.java
.....\....\.....\Invoice.java
.....\....\.....\Line.java
.....\....\.....\Payable.java
.....\....\.....\PayTest.java
.....\....\.....\Person.java
.....\....\.....\PersonTest.java
.....\....\.....\Sales.java
.....\....\.....\SalesTest.java
.....\....\.....\Shape.java
.....\....\.....\ShowTest.java
.....\....\.....\Student.java
.....\....\....7\CVS\Entries
.....\....\.....\...\Entries.Extra
.....\....\.....\...\Entries.Extra.Old
.....\....\.....\...\Entries.Old
.....\....\.....\...\Repository
.....\....\.....\...\Root
.....\....\.....\DrawPanel.java
.....\....\.....\FirstFrame.java
.....\CVS\Entries
.....\...\Entries.Extra
.....\...\Entries.Extra.Old
.....\...\Entries.Old
.....\...\Repository
.....\...\Root
.....\Thumbs.db
.....\多态习题.doc
.....\code\day06\CVS
.....\....\....7\CVS
.....\....\CVS
.....\....\day06
.....\....\day07
.....\code
.....\CVS
day07