This Java tip introduces additional concepts and techniques related to fields and methods–namely field constants, field-access rules, chaining instance method calls, pass-by-value arguments ...

Take a look at java.lang.Math, java.util.Arrays, and java.util.Collections; each is a utility class. These utilities group related methods on primitive values, arrays, and interfaces.

Write native methods in your Java code. Then run <I>javah</I> on that to produce headers. Use these headers to write a wrapper that delegates to the static library.