I/O

Question 1

A path that begins with a drive letter.

Answer 1

Absolute Path

Question 2

Another word for folder

Answer 2

Directory

Question 3

A path that does not have a drive letter prefix.

Answer 3

Relative Path

Question 4

What is a File Class Object in Java?

Answer 4

Representation of file and path names

Question 5

Does creating a file object create a corresponding file on your hard drive?

Answer 5

NO

Question 6

What does the constructor for a file object take as its argument?

Answer 6

A String

Question 7

Objects created by the JVM to signal that something is wrong in your program.

Answer 7

Exceptions

Question 8

Which type of exception requires “exception handling”?

Answer 8

Checked

Question 9

What is an example of a checked exception?

Answer 9

FileNotFoundException

Question 10

ArrayIndexOutOfoundsException is an example of what kind of exception?

Answer 10

Unchecked

Question 11

What is the keyword used to confess to the compiler?

Answer 11

throws

Question 12

Where does an exception confession go?

Answer 12

Main method declaration

Question 13

What is an issue of using a confession to deal with exceptions?

Answer 13

If the exception is thrown your program will crash.

Question 14

Which is the most effective way to deal with a checked exception?

Answer 14

try-catch block

Question 15

What are two methods we use to read a text file?

Answer 15

hasNext(), hasNextLine()

Question 16

What is the default delimiter for hasNext()?

Answer 16

White space

Question 17

What method changes the delimiter used by fileReader?

Answer 17

useDelimiter(String pattern)

Question 18

What method creates an empty file?

Answer 18

createNewFile()

Question 19

When using an absolute path to create a file, what must already exist?

Answer 19

The directory the file is going into.

Question 20

If you want to make a directory for putting a file into, what method do you use?

Answer 20

getParentFile()

Question 21

What object allows one to write text to a file?

Answer 21

PrintWriter