KwickClips Cyber Safety and Ethics · 41 sec · free
Which mode is used?
Short answer. Binary.
What gives the number of bytes?
sizeof.
Remember
| Binary mode |
| Address as char* |
| sizeof gives the size |
Can you save a whole student record at once? Yes. Open in binary mode. Write saves the bytes of object s. Read fills object t from the file. Use binary mode. Pass the address as a char pointer. Sizeof gives the size.
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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