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What is inheritance?
Class, the vehicle, which is used to execute object-oriented concepts in C++, has given a new dimension to this idea of reusability. Many vendors now offer libraries of classes. A class library having of data and methods to operate on that data, encapsulated in a class. The source code of these libraries require not be available to modify them. The new dimension of OOP uses a method called inheritance to modify a class to suit one's requirements. Inheritance means deriving new classes from the old ones. The old class is called the base class or parent class or super class and the class which is derived from this base class is known as derived class or child class or sub class. Deriving a new class from an existing one, permits redefining a member function of the base class and also adding new members to the derived class and this is possible without having the source of the course explanation also. In other words, a derived class not only inherits all properties of the base class but also has some refinements of its own. The base class remains unchanged in the process. In other words, the derived class "is a "type of base class, but with more details added. For this reason, the relationship among a derived class and its base class is called an "is-a" relationship.
write c program to do the following : -fill 2 dimensional array (square matrix array with size=4). -ask the user to enter any integer number and add this number to the diagonals -o
F u nction overloading: Functions can be defined with same name. Depending upon the type of argument passed the function will perform. This is known function overloading
What is the use of default constructor? - It's a constructor that doesn't accept any parameters. - If there is no user-defined constructor for a class, compiler declares a d
Variables Information stored in a variable can alter in the course of the program. The type used in the definition explains the kind of information the symbol can store. Variab
what is computer programming
Write a program called Converter that does three types of metric conversions. Your program should prompt the user for the selection conversion, prompt for input data, and display t
Explain history of clanguage
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
Question: a) Give two uses of NFS. b) Give one advantage of using NFS. c) Explain the following lines as they would be interpreted in the /etc/exports file i. /usr/local
The for Loop For loop is the controlled form of loop. The general format of this : for( initialize ; test ; update) { statements;
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