Java™ in 24 Hours, Sams Teach Yourself (Covering Java 8), Seventh Edition

Hour 21. Reading and Writing Files

THIS HOUR’S TO-DO LIST:

Read bytes from a file into a program.

Create a new file on your computer.

Save an array of bytes to a file.

Make changes to the data stored in a file.

There are numerous ways to represent data on a computer. You already have worked with one by creating objects. An object includes data in ...