Exception Handling Easy Questions and Answers

What is the output of this program?

#include <iostream>
    #include <exception>
    using namespace std;
    class ExceptionExample: public exception
    {
        virtual const char* what() const throw()
        {
            return "Exception Occurred...";
        }
    } NewExcep;
    int main () 
    {
        try
        {
            throw NewExcep;
        }
        catch (exception& excep)
        {
            cout << excep.what() << endl;
        }
        return 0;
    }

Correct Option: C

In this program, We are arising a standard exception and catching that and returning a statement.

Which is used to check the error in the block?

Correct Option: B

The try block is used to check for errors, if there is any error means, it can throw it to catch block.

Where exception are handled?

Correct Option: C

outside the regular code

How many parameters does the throw expression can have?

Correct Option: D

In c++ program, We can be able to throw only one error at a time.

What is the output of this program?

#include <iostream>
    using namespace std;
    void Sequence(int StopN)
    {
        int N;
        N = 3;
        while (true)
        {
            if (N >= StopN)
                throw N;
            cout << N << endl;
            N++;
        }
    }
    int main(void)
    {
        try
        {
            Sequence(4);
        }
        catch(int ExN)
        {
            cout << "exception: " << ExN << endl;
        }
        return 0;
    }

Correct Option: A

In this program, We are printing one and raising a exception at 4.