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 . On class object creation, default constructor implicitly called will be enough.10 Eki 2016
Read moreWhat is an empty constructor 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 .10 Eki 2016
Read moreCan a constructor be empty?
The body of the constructor is defined inside the curly brackets { } after the parameter list. In the constructor example above the constructor has no operations inside the constructor body. It is said to be an “empty” constructor .
Read moreWhy the constructors are used?
We use constructors to initialize the object with the default or initial state . The default values for primitives may not be what are you looking for. Another reason to use constructor is that it informs about dependencies.
Read moreWhat is the role of constructor in classes in C?
Explanation: A constructor is used in classes to initialize data members of class in order to avoid errors/segmentation faults .
Read moreWhat is constructor in Java explain with example?
A constructor in Java is similar to a method that is invoked when an object of the class is created . Unlike Java methods, a constructor has the same name as that of the class and does not have any return type. For example, class Test { Test() { // constructor body } } Here, Test() is a constructor.
Read moreWhat do you mean by constructor overloading in C++?
Constructor Overloading in C++ In C++, We can have more than one constructor in a class with same name, as long as each has a different list of arguments . This concept is known as Constructor Overloading and is quite similar to function overloading.28 Haz 2021
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