12 About CNI

This documents CNI, the Compiled Native Interface, which is is a convenient way to write Java native methods using C++. This is a more efficient, more convenient, but less portable alternative to the standard JNI (Java Native Interface).

• Basic concepts: Introduction to using CNI.
• Packages: How packages are mapped to C++.
• Primitive types: Handling primitive Java types in C++.
• Reference types: Handling Java reference types in C++.
• Interfaces: How Java interfaces map to C++.
• Objects and Classes: C++ and Java classes.
• Class Initialization: How objects are initialized.
• Object allocation: How to create Java objects in C++.
• Memory allocation: How to allocate and free memory.
• Arrays: Dealing with Java arrays in C++.
• Methods: Java methods in C++.
• Strings: Information about Java Strings.
• Mixing with C++: How CNI can interoperate with C++.
• Exception Handling: How exceptions are handled.
• Synchronization: Synchronizing between Java and C++.
• Invocation: Starting the Java runtime from C++.
• Reflection: Using reflection from C++.