Using the JNI: Table of Contents

Overview of the JNI

JNI Concepts

Writing Java Programs with Native Methods

Step 1: Write the Java Code

Step 2: Compile the Java Code

Step 3: Create the .h File

Step 4: Write the Native Method Implementation

Step 5: Create a Shared Library

Step 6: Run the Program

Integrating Java and Native Programs

Declaring Native Methods

Mapping Between Java and Native Types

Interacting with Java from the Native Side

Accessing Java Strings in Native Methods

Working With Java Arrays in Native Methods

Calling Java Methods

Accessing Java Fields

Handling Java Errors from Native Methods

Local and Global References

Threads and Native Methods

JNI Programming in C++

Invoking the Java Virtual Machine

Summary