Multiple choice technology programming languages

Which of the following can be used to initialize a newly declared Variable from an existing variable?

  1. Virtual Function

  2. Namespaces

  3. copy constructor

  4. None of the Above
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C Correct answer
Explanation

A copy constructor is a special constructor that creates a new object as a copy of an existing object. Virtual functions are for runtime polymorphism, namespaces organize code, and this is specifically about initialization from existing variables.

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