Chapter 13
Migrating to New I/O
Chapters 11 and 12 introduced you to Java’s classic I/O APIs. Chapter 11 presented classic I/O in terms of java.io’s File, RandomAccessFile, stream, and writer/reader types. Chapter 12 presented classic I/O in terms of java.net’s socket and URL types.
Modern operating systems offer powerful I/O features that are not supported by Java’s classic I/O APIs. Features include memory-mapped file I/O (the ability to map part of a process (executing application)’s virtual memory (see http://en.wikipedia.org/wiki/Virtual_memory) to some portion of a file so that writes to or reads from that portion of the process’s memory space actually write/read the associated portion of the file), readiness selection (a step above ...
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