Is it mandatory to use constructor?

So it is not mandatory to use a constructor , but if you don’t define one there is a “default constructor that will be created for you. Constructors are functions that initialize the object you have just instantiated which are called automatically when you instantiate an object to use in your program.

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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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What is a constructor explain the different types of constructors?

The constructor which creates an object by copying variables from another object is called a copy constructor. … Different Types Of Constructor In C# ConstructorMethodA constructor is used to initialize an objectA method is used to expose the behavior of an objectThe constructor must not have a return type.The method has or not have a return type.Different Types Of Constructor In C# www.c-sharpcorner.com › article › different-types-of-constructor-in-c-sharp

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