stringstream in C++ and its Applications

A stringstream is a part of the C++ Standard Library, defined in the <sstream> header file. It allows us to read from and write to strings like they are streams.

It lets us take a string and extract data from it (like from cin), It also lets us build strings by inserting data into it (like into cout).

Types of String Streams

There are three types of string stream classes in C++:

Uses or Applications of stringstream:

Convert String to Integer

Integer: 123

Convert Integer to String

String: 456

Split a Sentence into Words

C++
is
powerful

Combine multiple values into a String

Name: John, Age: 25

Resetting or Clearing a stringstream