C++ Files and Streams
In C++ programming we are using the iostream standard library, it provides cin and cout methods for reading from input and writing to output respectively.
To read and write from a file we are using the standard C++ library called fstream. Let us see the data types define in fstream library is:
C++ FileStream example: writing to a file
Let's see the simple example of writing to a text file testout.txt using C++ FileStream programming.
The content of a text file testout.txt is set with the data: Welcome to javaTpoint. C++ Tutorial.
C++ FileStream example: reading from a file
Let's see the simple example of reading from a text file testout.txt using C++ FileStream programming.
Note: Before running the code a text file named as "testout.txt" is need to be created and the content of a text file is given below: