book
....\.classpath
....\.project
....\.settings
....\.........\org.eclipse.jdt.core.prefs
....\bin
....\...\a
....\...\.\Manager.class
....\...\.\NodeValue.class
....\...\.\Root$1.class
....\...\.\Root.class
....\...\.\Searchbook.class
....\...\.\StudentSystem$1.class
....\...\.\StudentSystem.class
....\...\.\Stutea.class
....\...\.\ifomanage.class
....\...\.\login.class
....\...\.\purchasemanage.class
....\...\.\sellmanage.class
....\src
....\...\a
....\...\.\Manager.java
....\...\.\Root.java
....\...\.\Searchbook.java
....\...\.\StudentSystem.java
....\...\.\Stutea.java
....\...\.\ifomanage.java
....\...\.\login.java
....\...\.\purchasemanage.java
....\...\.\sellmanage.java