String is a datatype which is mostly used in programming or in your codes. String is basically a series of characters. The “CHAR” datatype only contains one character per variable. Strings are easy to manipulate. In c++ the string datatype cannot be used by default, to use string and its functions in your codes we have to include a header file “string” in our code or program.
Declaration & Initialization:
To initialize a string variable following syntax is used.
in this line str is name of variable.
Getting Size of String:
we can get the size of string by using the function size() defined in string library.
Converting String to Char:
While processing strings we often needed to convert it into char array. We can do it as follows.
in this .c_str function is used to convert it into stream of character.
Following is the fully compiled code.