JNI: Java 層與C++層的接口

在雙層框架裡 ，上層是Java 框架，而下層是C/C++框架。這兩 層框架之

間會有密切 的溝通。此時JNI(Java Native Interface)就扮演雙方溝通的接口

了 。藉由JNI 接口，可將Java 層的基類 或子類 的函數 實作部份挖空，而移到

JNI 層的C 函數 來 實作之。例 如，原來 在Java 層有個完整的Java 類 ：

圖 1 一般的Java 類

這是一個完整的 Java 類 ，其add()函數 裡 有完整的實作(Implement)代碼。

如果-JNI: Java layer and C++ interface in double-layer fr a mework 裡 , upper level Java fr a mework, while the lower is the C/C++ fr a mework. The fr a mework of these two layers will be close communication between the. At this point JNI (Java Native Interface) to interface communication between playing order. Through the JNI interface, the base layer can be Java class or sub class implementation part a function of hollowed out, and moved to the JNI layer of the C function implementation of the future. For example, the original Java layer in a complete Java class: Java class in Figure 1 in general this is a complete Java class, the add () function 裡　a complete implementation (Implement) code. If