Programming in C++, 2nd Edition

(1) A string is nothing but a sequence of char-

acters. They are declared as a character

array. Each element of the string occupies

a byte in the memory. Every string is ter-

minated by a null character.

(2) To make the string manipulation easy, the

ANSI committee added a new class called

string. It allows us to define objects of

a string type, and they can be used as a

built-in data type. The string class is con-

sidered another container class and not a

part of STL (standard template library).

(3) Two string objects can be concatenated us-

ing overloaded + operator. The overloaded

+= operator appends one string to the end

of another ...