Association\build.xml
...........\build
...........\.....\classes
...........\.....\.......\association
...........\.....\.......\...........\Book.class
...........\.....\.......\...........\Main.class
...........\.....\.......\...........\Student.class
...........\manifest.mf
...........\nbproject
...........\.........\build-impl.xml
...........\.........\genfiles.properties
...........\.........\private
...........\.........\.......\private.properties
...........\.........\.......\private.xml
...........\.........\project.properties
...........\.........\project.xml
...........\src
...........\...\association
...........\...\...........\Book.java
...........\...\...........\Main.java
...........\...\...........\Student.java
...........\test