Is constructor necessary in C++?

Answer: C++ Empty constructor necessity depends upon class design requirements . We know that C++ class constructor is called when we create an object of a class. If a class is not required to initialize its data member or does not contain data member, there is no need to write empty constructor explicitly.

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Is constructor necessary in C#?

We also call this as a special method of the class. In case we don’t provide any constructor in the class, the compiler will create a default constructor for that particular class. So by default there will be one constructor of the class and it’s mandatory .

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