The protected members of a base class are like private members but they may be accessed by derived classes.
Private members is a type of a member in programming language for base class. This type of a member will give access only for a member in same base class, and the rest of program can't access this member.
Protected members is a type of a member in programming language for base class. This type of a member will give access for a member in same base class or for derived classes, and the rest of program can't access this member.
So, basically the protected member is like private members except the protected member will give access to derived class.
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