Java File Handling Quiz

Which class in Java is used for file handling?

• BufferedReader

• File

• FileReader

• Scanner

What does the createNewFile() method return if the file is successfully created?

• void

• false

• null

• true

Which method is used to check if a file is writable?

• write()

• isWritable()

• canWrite()

• canRead()

What exception does the createNewFile() method throw if an error occurs?

• FileAlreadyExistsException

• NullPointerException

• IOException

• FileNotFoundException

Which method is used to delete a file in Java?

• erase()

• delete()

• remove()

• clear()

What is the return type of the length() method in the File class?

• float

• int

• long

• double

Which method returns the absolute pathname of a file?

• getAbsolutePath()

• getPath()

• getFullPath()

• getDirectory()

Which class is used to write text to a file in Java?

• FileReader

• Scanner

• FileWriter

• BufferedReader

What method should be called to close a FileWriter after writing?

• close()

• terminate()

• finish()

• end()

Which class is used to read the contents of a text file in Java?

• BufferedWriter

• FileReader

• FileWriter

• Scanner