What is read only.

Question

write only. read and write only plis help

Answer 1

As the name might suggest, you can only read data from a read-only-stream. Attempting to write any data will crash the program.

Answer 2

It is usually used to allow users to access the contents of a file without making changes to the file. Write only I'm not sure what the benefits of that would be. Hopefully someone else can answer that for you