The menu-driven program in Java is a program that displays a menu and then takes input from the user to choose an option from the displayed menu . The output is given by the program based on the option selected by the user.16 Oca 2021
Read moreWhat is the purpose of using constructor?
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.
Read moreWhat are the benefits of using 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 default constructor and what is the advantages of having it?
Default Constructors in C++ Constructors are functions of a class that are executed when new objects of the class are created. The constructors have the same name as the class and no return type, not even void. They are primarily useful for providing initial values for variables of the class .
Read moreWhat is the advantage of using 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.10 Haz 2014
Read moreWhat is inheritance explain with example?
Inheritance is a mechanism in which one class acquires the property of another class . For example, a child inherits the traits of his/her parents. With inheritance, we can reuse the fields and methods of the existing class. Hence, inheritance facilitates Reusability and is an important concept of OOPs.
Read moreCan child class have constructor?
A constructor cannot be called as a method . It is called when object of the class is created so it does not make sense of creating child class object using parent class constructor notation. i.e. Child c = new Parent();
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