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C++ | Exception Handling | Question 7

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#include <iostream>
using namespace std;
  
int main()
{
    try
    {
        try
        {
            throw 20;
        }
        catch (int n)
        {
            cout << "Inner Catch\n";
            throw;
        }
    }
    catch (int x)
    {
        cout << "Outer Catch\n";
    }
    return 0;
}

                    
(A)
Outer Catch
(B)
Inner Catch
(C)
Inner Catch
Outer Catch
(D) Compiler Error

Answer: (C)

Explanation: The statement ‘throw;’ is used to re-throw an exception. This is useful when a function can handles some part of the exception handling and then delegates the remaining part to the caller. A catch block cleans up resources of its function, and then rethrows the exception for handling elsewhere.

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Last Updated : 28 Jun, 2021
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