Author Question: What does the following code do?FileInputStream fis = new FileInputStream("test.dat"); (Read 72 times)

dbose · **on:** May 6, 2020

Question 1

To append data to an existing file, use ________ to construct a FileOutputStream for file out.dat.
◦ new FileOutputStream("out.dat", true)
◦ new FileOutputStream(true, "out.dat")
◦ new FileOutputStream("out.dat", false)
◦ new FileOutputStream("out.dat")

Question 2

What does the following code do?

FileInputStream fis = new FileInputStream("test.dat");

◦ It creates a new file named test.dat if it does not exist and opens the file so you can write to it.
◦ 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.
◦ 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.
◦ 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.
◦ It creates a FileInputStream for test.dat if test.dat exists.

Silverbeard98 · **Reply #1 on:** May 6, 2020

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