CPP

default access modifier in c++

//default access modifier in c++ struct
In a C++ "struct" type, the default access modifier for members and member functions is "public".

//default access modifier in c++ class
while the default access modifier for "class" members and member functions is "private".

default access specifier in c++

By default access to members of a C++ class is private. 

The private members are not accessible outside the class; 
they can be accessed only through methods of the class. 

The public members form an interface to the class and 
are accessible outside the class.