KwickClips Cyber Safety and Ethics · 41 sec · free
Which one writes?
Short answer. ofstream.
Which header do they need?
<fstream>.
File streams
| Class | Job |
|---|---|
| ifstream | read (input) |
| ofstream | write (output) |
| fstream | read and write |
Remember
| i: input, reads |
| o: output, writes |
| #include <fstream> |
Ifstream or ofstream, which one reads a file? All three come from fstream. Ifstream reads, i for input. Ofstream writes, o for output. Fstream does both. I is input. O is output. Include fstream first.
This clip is from the full lesson: File Handling in C++ — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: NIOS Senior Secondary Computer Science (330), Programming All levels C++, Programming All levels C++
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