Answer Posted / uppu goutami

In C++, A structure can have both variable and functions as members.It can also declare some of its members as 'private' so that they cannot be accessed directly by the external functions.
In C++, The structure names are stand-alone and can be used like any other type names. That is, the keyword 'struct' can be omitted in the declaration of structure variable.
For example, We can declare the student variable.
For student A; // c++ declaration
This is an error in C.
C++ incorporates all these extensions in another user-defined type known as 'class'. There is very little syntactical difference between class and structure in C++ and, therefore, They can be used interchangeably with minor modifications. Since 'class' is a specially introduced data type, most of the C++ programmers tend to use the structures for holding only data, and classes to hold both the data and functions.

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