Does C++ need a constructor?

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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What is constructor explain?

In class-based object-oriented programming, a constructor (abbreviation: ctor) is a special type of subroutine called to create an object . It prepares the new object for use, often accepting arguments that the constructor uses to set required member variables.

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What is a C++ constructor?

A constructor is a special type of member function that is called automatically when an object is created . In C++, a constructor has the same name as that of the class and it does not have a return type. For example, class Wall { public: // create a constructor Wall() { // code } };

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How do constructors work in C#?

In c#, Constructor is a method that will invoke automatically whenever an instance of class or struct is created . The constructor will have the same name as the class or struct, and it is useful to initialize and set default values for the data members of the new object.

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