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Java

JavaTM Native Interface

Documentation Contents
JavaTM Native Interface (JNI) is a standard programming interface for writing Java native methods and embedding the JavaTM virtual machine into native applications. The primary goal is binary compatibility of native method libraries across all Java virtual machine implementations on a given platform.

The Java 2 SDK extends JNI to incorporate new features in the Java platform. The changes are driven by licensee and user comments.

The Java 2 SDK still supports the old native method interface (NMI), which was originally implemented in Java Development Kit (JDKTM) 1.0. The old NMI is not part of the Java platform standard, and is not supported by the Java HotSpotTM performance engine. Programmers are strongly encouraged to migrate their existing NMI code to the JNI.

JNI Enhancements
JNI 1.1 Specification JNI FAQ



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