java - What are the possible exception occurs during copying file? -

I have to copy the file from one folder to another folder I have used the inputstream and the outputstream in the same way . The size of the file is about 5 GB. How can all possible exceptions occur during this process and how? As I need the same in the unit test case document ... please help.

Methods you are using Any Sun Java document will mention exceptions which can be thrown by methods is.

I'm guessing FileNotFoundException, NullPointerException, IOException.