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In C++ interview questions, one frequently asked question is about operator overloading. Operator overloading is a form of compile-time polymorphism that allows operators to be given special meanings for user-defined data types.
This feature enables most operators to be redefined or overloaded to perform operations on these user-defined types. For instance,
C++ allows the addition of variables of user-defined data types in a manner similar to built-in data types.
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