A default constructor is a constructor that either has no parameters, or if it has parameters, all the parameters have default values . If no user-defined constructor exists for a class A and one is needed, the compiler implicitly declares a default parameterless constructor A::A() .
Read moreWhat is the role of default constructor?
Q) What is the purpose of a default constructor? The default constructor is used to provide the default values to the object like 0, null, etc., depending on the type .
Read moreWhat is constructor how many types of constructor?
There are two types of constructors parameterized constructors and no-arg constructors .
Read moreHow can we recognize a default constructor?
Default constructors (C++ only)
Read moreWhat is a parameterized constructor explain with example?
Explanation: Private variables a and b are declared in the class Example. A parameterized constructor is declared using the function Example . It includes two methods getA() and getB(). In the main class, the constructor is called, and the constructor’s access values are assigned.27 May 2021
Read moreWhat is a parameterized constructor?
The parameterized constructors are the constructors having a specific number of arguments to be passed . The purpose of a parameterized constructor is to assign user-wanted specific values to the instance variables of different objects. A parameterized constructor is written explicitly by a programmer.10 Haz 2019
Read moreWhat is a parameterized constructor in C++?
In C++, Constructor is automatically called when the object(an instance of the class) create.It is the special member function of the class. The constructor has arguments is called as a Parameterized Constructor. It has the same name of the class. It must be a public member. No Return Values.
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