Corecard Software Senior CSA Interview Questions and Answers

A virtual function is a function in a base class that is overridden by a derived class, allowing polymorphic behavior.

• Virtual functions are used in object-oriented programming to achieve runtime polymorphism.

• They are declared in the base class with the 'virtual' keyword and can be overridden in derived classes.

• When a virtual function is called through a base class pointer or reference, the appropriate derived class fun...read more

Operator overloading is the ability to redefine operators for user-defined types.

• Allows operators to be used with user-defined types

• Can simplify code and make it more readable

• Examples include overloading the + operator for string concatenation

Function overreading refers to the ability of a function to read beyond the end of an array.

• Function overreading can lead to security vulnerabilities and crashes.

• It can occur when a function does not properly check the bounds of an array before accessing its elements.

• For example, if an array has 10 elements and a function tries to access the 11th element, it may read data from an unintended memory location.

• This can be ...read more