June 2004
Intermediate to advanced
848 pages
21h 28m
English
Content preview from Just Java™ 2
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Wrapping Additional Output Classes
As Figure 17-3 suggests, the java.io package has more classes that you can wrap around a Writer or OutputStream. The additional Writer wrapping classes can do things like filter the text as it goes by, or buffer it for performance. The additional OutputStream wrapping classes can bridge to a Writer class, filter, buffer, encrypt, and/or compress that data! When you wrap classes, only write from the outermost one. Otherwise, your I/O may get scrambled due to internal buffering.
Figure 17-3. Wrapping more writer classes
All these additional wrappers go between what we have termed the top layer classes and ...
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