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Which stream class is to only write on files ?

  • ofstream
  • ifstream
  • fstream
  • iostream

Answer: Option A

Similar Questions :

1. What is use of eof() ?

  • Returns true if a file open for reading has reached the next character.
  • Returns true if a file open for reading has reached the next word.
  • Returns true if a file open for reading has reached the end.
  • Returns true if a file open for reading has reached the middle.

Answer: Option C

2. How to find the position at end of fileObject ?

  • fileObject.seekg( 0, ios::end );
  • fileObject.seekg( 0, ios::end );
  • fileObject.seekg( 0, ios::end );
  • fileObject.seekg( 0, ios::end );

Answer: Option A

3. Calling the stream's member function sync() causes an immediate synchronization.

  • True
  • False

Answer: Option A

4. Which among is used for positioning relative to the beginning of a stream ?

  • ios::start
  • ios::beg
  • ios::begin
  • ios::beginning

Answer: Option B

5. How to get position to the nth byte of fileObject ?

  • fileObject.seekg( 'filename',n );
  • fileObject.seekg( n, 'filename' );
  • fileObject.seekg( n );
  • fileObject.seekg( n, ios::app );

Answer: Option C

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