Introduction
The capability to perform input and output is key to saving and reusing a program's results. Because input and output are fundamental to programming, you might see a few exam questions related to the java.io package. In this chapter, you will learn to use Java streams to perform sophisticated input and output, using standard I/O, memory buffers, and files. You will explore the input and output class hierarchy and learn to use stream filters to simplify I/O processing. You will also learn how to perform random-access I/O and access character encodings. By studying the class descriptions of this chapter and working the programming examples, you should be able to do well on related exam questions.
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