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What is the purpose of the "what()" method in C++ exception handling?Marks : 1Negative Marks : 0Answer hereIt is used to throw an exception.It is used to catch an exception.It is used to rethrow an exception.It is used to get the description of the exception.

Question

What is the purpose of the "what()" method in C++ exception handling?Marks : 1Negative Marks : 0Answer hereIt is used to throw an exception.It is used to catch an exception.It is used to rethrow an exception.It is used to get the description of the exception.

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Solution

The "what()" method in C++ exception handling is used to get the description of the exception. This method returns a null terminated character sequence (a C-string) that can be used to describe the exception. It is part of the std::exception class and can be overridden in derived classes to provide more specific error information.

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What will be the output of the following program?12345678910111213141516171819#include <iostream>#include <exception>using namespace std;class myexception : public exception{ virtual const char* what() const throw(){ return "Exception arised!"; }} myex;int main(){ try{ throw myex; } catch (exception& e){ cout << e.what() << endl; } return 0;}Marks : 1Negative Marks : 0Answer hereException arised!Compile Time ErrorNothing will be printed0

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Explain how multiple catch can be used in exception handling mechanism in Java? Give me the content for 5 marks

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