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.
Read moreWhy do we need to overload a constructor in C++?
Answer: Benefits of constructor overloading in C++ is that, it gives the flexibility of creating multiple type of objects of a class by having more number of constructors in a class , called constructor overloading. In fact, it is similar to C++ function overloading that is also know as compile time polymorphism.
Read moreWhat is the constructor in a class?
A class constructor is a special member function of a class that is executed whenever we create new objects of that class . A constructor will have exact same name as the class and it does not have any return type at all, not even void.
Read moreWhat is mean by constructor in C++?
A constructor in C++ is a special method that is automatically called when an object of a class is created .
Read moreWhat is constructor in C++ in simple words?
A constructor in C++ is a special method that is automatically called when an object of a class is created .
Read moreWhat is constructor in C++ with example?
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 } };
Read moreWhat are constructors give example?
Here, we haven’t created any constructors. Hence, the Java compiler automatically creates the default constructor. The default constructor initializes any uninitialized instance variables with default values. … Example 5: Default Constructor. TypeDefault Valueshort0int0long0Lchar\u0000Java Constructors (With Examples) – Programiz www.programiz.com › java-programming › constructors
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