C++ User-Defined Exceptions
The new exception can be defined by overriding and inheriting exception class functionality.
C++ user-defined exception example
Let's see the simple example of user-defined exception in which std::exception class is used to define the exception.
Enter the two numbers : 10 2 x / y = 5
Enter the two numbers : 10 0 Attempted to divide by zero!
Note: In above example what() is a public method provided by the exception class. It is used to return the cause of an exception.