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C++ OOP

Encapsulation in C++

Encapsulation is binding the data and functions together into a single unit. The access of data is not provided directly. It is exposed through functions. 

There are 2 access specifiers called private and public. 

 

For example: 
#include <string>
using namespace std; 


class Encap
{
    string m_name; // Default specifier is private
public: 
    
    
    void SetName( string tempName)
    {
        m_name = tempName;
    }
    string GetName()
    {
        return m_name;
    }
};
int main()
{
    Encap demo; 
    
    
    demo.SetName("Apple");
    string name = demo.GetName();
    cout << "Name entered : " << name<<endl;
    return 0;
}
The private access specifiers are accessed only through the functions. GetName will access the private variable called m_name. GetName is a public specifier. Any object of the class can call getname and access the name stored.
 
The output is as follows: 
 

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