Can you explain the concept of streams?

Question

I understand that a stream is a representation of a sequence of bytes. Each stream provides means for reading and writing bytes to its given backing store. But what is the

Answer 1

Think of streams as of an abstract source of data (bytes, characters, etc.). They abstract actual mechanics of reading from and writing to the concrete datasource, be it a network socket, file on a disk or a response from the web server.