C++ Programming Code Examples
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Access Functions in C++ programming language
/* Access Functions in C++ programming language
Encapsulation is achieved using access specifiers. In encapsulation we make all member variables private and provide public functions which allow user to work with the class. These functions are called as access functions. Access functions are used to return the value of private member variables. There are two types of access functions
Getters: Functions which return the value of private member variables of the class.
Setters: Functions which set the value of the private member variables of the class. */
class Game
{
private:
int m_Score;
int m_Rank;
public:
// Getters
int GetScore() { return m_Score; }
int GetRank() { return m_Rank; }
// Setters
void SetScore(int iScore) { m_Score = iScore; }
void SetRank(int iRank) { m_Rank = iRank; }
};
In C++, constructor is a special method which is invoked automatically at the time of object creation. It is used to initialize the data members of new object generally. The constructor in C++ has the same name as class or structure. Constructors are special class functions which performs initialization of every object. The Compiler calls the Constructor whenever an object is created. Constructors initialize values to object members after storage is allocated to the object. Whereas, Destructor on the other hand is used to destroy the class object. • Default Constructor: A constructor which has no argument is known as default constructor. It is invoked at the time of creating object.
The main purpose of C++ programming is to add object orientation to the C programming language and classes are the central feature of C++ that supports object-oriented programming and are often called user-defined types. A class is used to specify the form of an object and it combines data representation and methods for manipulating that data into one neat package. The data and functions within a class are called members of the class.
The C++ comments are statements that are not executed by the compiler. The comments in C++ programming can be used to provide explanation of the code, variable, method or class. If we write comments on our code, it will be easier for us to understand the code in the future. Also, it will be easier for your fellow developers to understand the code. By the help of comments, you can hide the program code also. There are two types of comments in C++: • Single Line comment. • Multi Line comment
Encapsulation is a process of combining data members and functions in a single unit called class. This is to prevent the access to the data directly, the access to them is provided through the functions of the class. It is one of the popular feature of Object Oriented Programming(OOPs) that helps in data hiding. • In C++, the encapsulation is a process of combining data members and functions in a single unit known as class. • This is to prevent the access to the data directly and the access to them is provided through the function of the class. It is one of the most important features of object oriented programming that helps in data hiding.
Increments ++ & Decrements -- operator are overloaded in best possible way, increase the value of a data member by 1 if "++ operator" operates on an object and decrease value of
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