Chapter 5. Input and Output
A program means very little if it does not take input of some kind from the program user. Likewise, if there is no form of output from a program then one may ask why we have a program at all. Input and output operations can define the user experience and usability of any program. This chapter is all about how to put information or data into a program, and then how to display it or save it to a file. This chapter does not discuss working with databases, but rather, working at a more rudimentary level with files. Throughout this chapter you will learn such techniques as how to input data for a program via a terminal or command line, likewise, you will learn how to read input from a file and write to a file. After reading ...
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