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    • C++ Exception Handling

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    Question 1

    Which of the following is used to open a file for reading in C++?

    • A

      ofstream file("data.txt");

    • B

      ifstream file("data.txt");

    • C

      fstream file("data.txt", ios::out);

    • D

      file.open("data.txt", ios::write);

    Question 2

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

    • A

      Program skips the exception


    • B

       Program terminates using std::terminate()

    • C

      It is silently ignored

    • D

       Control goes back to the main function

    Question 3

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

    • A

      std::runtime_error

    • B

      std::bad_alloc

    • C

      std::overflow_error

    • D

      std::invalid_argument

    Question 4

    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";
}
}


    • A

      Char Exception

    • B

      Default Handler

    • C

      Compilation Error

    • D

      No Output

    Question 5

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


    • A

      retry

    • B

      throw

    • C

      catch

    • D

      throw e

    There are 5 questions to complete.

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