Exercise
........\.DS_Store
__MACOSX
........\Exercise
........\........\._.DS_Store
Exercise\Ex1
........\...\ex1.txt
........\Ex2
........\...\Exercise2.html
........\Ex3
........\...\ShippingLabelForm.html
__MACOSX\Exercise\Ex3
........\........\...\._ShippingLabelForm.html
Exercise\Ex4
........\...\.DS_Store
__MACOSX\Exercise\Ex4
........\........\...\._.DS_Store
Exercise\Ex4\Catfish.java
__MACOSX\Exercise\Ex4\._Catfish.java
Exercise\Ex5
........\...\Catfish.java
__MACOSX\Exercise\Ex5
........\........\...\._Catfish.java
Exercise\Ex6
........\...\Catfish.java
........\...\Catfish.txt
__MACOSX\Exercise\Ex6
........\........\...\._Catfish.txt
Exercise\Ex6\Crocodile.java
........\...\Crocodile.txt
__MACOSX\Exercise\Ex6\._Crocodile.txt