Quiz on C++ File Handling

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Question 1

How can you create a temporary file that is automatically deleted when closed?

  • Using the tmpfile() function

  • Using the tempfile() function

  • Using the tmpstream class

  • Using the tempstream class

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Question 2

Which of the following is the correct syntax to handle exceptions in C++?

  • try { ... } catch { ... }

  • try { ... } catch(Exception e) { ... }

  • try { ... } throw(Exception e) { ... }

  • catch { ... } try { ... }

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Question 3

What happens if an exception is thrown but no catch block matches it?

  • Program skips the exception


  •  Program terminates using std::terminate()

  • It is silently ignored

  •  Control goes back to the main function

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Question 4

Which standard exception class is thrown when memory allocation with new fails?

  • std::runtime_error

  • std::bad_alloc

  • std::overflow_error

  • std::invalid_argument

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Question 5

What is the output of the following code?

C++ 
#include <iostream> using namespace std; int main() { try { throw 10; } catch (char e) { cout << "Char Exception"; } catch (...) { cout << "Default Handler"; } }


  • Char Exception

  • Default Handler

  • Compilation Error

  • No Output

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Question 6

 Which keyword is used to rethrow the currently handled exception inside a catch block?


  • retry

  • throw

  • catch

  • throw e

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There are 6 questions to complete.

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