COP 3014 Recitation - Week 8
Object Oriented File operations.
Part 1
a) Create a new project
b) Go to your documents folder / Visual Studio / project name / project
name
c) Create a file in this folder named "input.txt" and add a number to the
file contents, then save the file
d) Type this file in Visual
Studio and run the program.
e) You should now also see a new file output.txt in the same
folder
Part 2
a) Modify your program, change "writesentence(outputfile)" to
"writesentence(cout)", run your program
b) Change it back
c) Change readinteger(inputfile) to readinteger(cin), run your program
d) Combine parts a and c, run your program
e) Why does your program still work?
Part 3
a) Change your code to write to and read from files again
b) Modify the writesentence function to take an extra string parameter, and
write that string to the file instead of "Hello World"
Part 4
a) What's wrong with this
file?
b) What's wrong with this
file?
c) What's wrong with this
file?
d) What's wrong with this
file?
e) What's wrong with this
file?
Program examples
