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Core Java™ 2 Volume II - Advanced Features, Seventh Edition by Gary Cornell, Cay S. Horstmann

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A Complete Example: Accessing the Windows Registry

In this section, we describe a full, working example that covers everything we discussed in this chapter: using native methods with strings, arrays, objects, constructor calls, and error handling. We show you how to put a Java platform wrapper around a subset of the ordinary C-based API used to work with the Windows registry. Of course, being a Windows-specific feature, a program using the Windows registry is inherently nonportable. For that reason, the standard Java library has no support for the registry, and it makes sense to use native methods to gain access to it.

Overview of the Windows Registry

The Windows registry is a data depository that holds configuration information for the Windows ...

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