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Editor to share with you what is the use of string streams in Champact +, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Overview

File stream classes and string stream classes are derived from ostream, istream and iostream classes, so the operation methods for them are basically the same.

String stream

File stream string stream concept file stream is a data stream string stream that takes out-of-memory files as input and output objects, also known as memory streams, object-related stream classes ifstream, ofstream and fstreamstrstream header files ifstream, ofstream and fstreamstrstream with user-defined character arrays (strings) in memory as input and output

File stream classes and string stream classes are derived from ostream, istream and iostream classes, so the operation methods for them are basically the same.

Understanding string streams

Our input is in the form of a string and is stored in the buffer. It is represented in a binary way within the data. So the output is also in the form of a string and stored in the output buffer.

# include using namespace std;int main () {double m, n; char op; cin > > m > > op > > n; cout

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