What does the following code do?
FileInputStream fis = new FileInputStream("test.dat");
a. It creates a new file named test.dat if it does not exist and opens the file so you can write to it.
b. It creates a new file named test.dat if it does not exist and opens the file so you can write to it and read from it.
c. It creates a new file named test.dat regardless of whether it exists or not and opens the file so you can write to it.
d. It creates a new file named test.dat regardless of whether it exists or not and opens the file so you can write to it and read from it.
e. It creates a FileInputStream for test.dat if test.dat exists.
e. It creates a FileInputStream for test.dat if test.dat exists.
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