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最新评论
I know this common sense but just want to have them somewhere so that we can refers to sometime when we need it.
Information hiding, as we called the "encapsulation" is one of the beauty of OO programming. Information hiding is a formal mechanism for preventing the functions of a programs to access directly the internal representation of class type. The access restriction is specified by the labeled public, private, and protected sections with the class body. The keywords public, private, and protected are called access specifiers. Members declared within a public section are public mmebers; those declared within a private or protected section are private or protected members.
public member
Public members are accessible from anywhere within a program. A class that enforces information hiding limits its public members to the member functions that define the operation that can be used by the general program to manipulate objects of that class type.
Private member
Pirvate member can be accessed only by the member functions and friends of its class. A class that enforces infromation hiding declares its data members as private.
protected member
Protected member behaves as a public mmeber to a derived class. and behave as a private member to the rest of hte program.
发表评论
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不安装Visual Studio,只用Windows SDK搭建VC环境
2013-12-31 21:52 15290首先你需要下载的是 Microsoft Windows S ... -
rpath - runtime search path
2013-04-03 11:36 967RPath is a very interesting to ... -
C++ - autogenerated copy constructor and assignment operator gotchas
2013-01-24 13:32 745It has been changed that the s ... -
c++ - rethrow a exception gotchas
2012-12-23 10:57 924As in my prevoius example in j ... -
c++ -typeid operator
2012-10-15 22:30 1035typeid is the one of the meager ... -
c++ - dynamic_cast revisit
2012-10-14 21:21 738There are several built-in type ... -
c++ - virtual inheritance example 1
2012-10-14 15:25 786we have discussed the virtual i ... -
c++ - virtual inheritance
2012-10-12 08:58 921As we have discussed in the pos ... -
c++ type of inheritance
2012-09-28 08:58 724There are 3 types of inheritanc ... -
c++ - vritually virtual new
2012-09-27 23:59 935Let's see what if we want to cl ... -
c++ - virtual destructor
2012-09-27 22:01 929As we all know that virtual des ... -
c++ - vritual function and default arguments
2012-09-27 08:56 954As we all know that we virtual ... -
c++ - template specialization and partial specialization
2012-09-26 22:38 1290in this post, we are going to e ... -
c++ - member template in class template
2012-09-26 08:19 909class member template can be us ... -
c++ template class and the pattern to use its friends
2012-09-25 23:47 960template class may defined thei ... -
c++ - Friend declaration in class Template
2012-09-25 08:47 1183There are three kinds of friend ... -
c++ - class template default parameters
2012-09-25 08:18 811the template has parameter, it ... -
c++ - operator new and delete and an example of linked list stores by new/delete
2012-09-24 07:53 556The operator new and delete ope ... -
c++ - delete(void *, size_t) or delete(void *)
2012-09-24 07:18 1136In my previous dicuss, we have ... -
c++ - placement operator new() and the operator delete()
2012-09-23 15:22 840A class member operator new() c ...
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