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4 data in files and arrays

Sort it out

Wow! Look, Mom! I didn‛t
know Daddy could surf the
green room... Ummmm... I just
hope he knows what
he‛s doing...

As your programs develop, so do your data handling needs.
And when you have lots of data to work with, using an individual variable for each piece
of data gets really old, really quickly. So programmers employ some rather awesome
containers (known as data structures) to help them work with lots of data. More times
than not, all that data comes from a file stored on a hard disk. So, how can you work with
data in your files? Turns out it’s a breeze. Flip the page and let’s learn how!

this is a new chapter 113