MCQ-3 CSE P

Name

Roll NO

Which of these class contains the methods used to write in a file?

• FileStream
• FileInputStream
• BUfferedOutputStream
• FileBufferStream

Which of these values is returned by read() method is end of file (EOF) is encountered?

• 0
• 1
• -1
• Null

Which of these exception is thrown by close() and read() methods?

• IOException
• FileException
• FileNotFoundException
• FileInputOutputException

What will be the output of the following Java program?

• true
• false
• prints number of bytes in file
• prints number of characters in the file

What will be the output of the following Java program?

• abc
• abcd
• abcde
• abcdef

Which method is used to write an array of byte to the current output stream?

• public void write(int)throws IOException
• public void write(byte[])throws IOException
• public void flush()throws IOException
• public void close()throws IOException

___________ returns true if called on a file and returns false when called on a directory.

• IsFile()
• Isfile()
• isFile()
• isfile()

What will be output for the following code? Note: file is made in c drive

• true false
• false true
• true true
• false false