中关村在线

Java通过JNI调用C语言

在Ubuntu 14.04系统中，利用Java调用C语言编写的函数。 1、 先编写一个简易的Java程序。 2、 程序启动时会自动加载名为 libdiaoyong.so 的动态库，该操作通过调用 System.loadLibrary(diaoyong) 实现，确保本地方法可用。 3、 } 4、 声明一个本地方法，使用native关键字修饰 ...
中关村在线

Linux下Java调用C/C++ JNI

本文旨在通过JNI技术，实现Java程序快速调用C/C++库函数的功能。 1、 确保Linux系统已配置C/C++和Java开发环境，随后编写并运行 ...

中国联通携手中讯邮电申请新专利 助力Java高效安全调用C或C++函数

国家知识产权局最新公开信息显示，中国联合网络通信集团有限公司与中讯邮电咨询设计院有限公司联合提交了一项专利申请，专利名称为“Java调用C/C++函数的方法、装置、设备、存储介质及程序产品”，公开号为CN121832923A，申请时间为2025年12月。该专利旨在解决Java与C/C++语言交互中的技术难题，通过创新方法实现资源隔离、复用及线程安全保障，同时 ...
InfoWorld

Java Tip 141: Fast math with JNI

Since my trusty C++ compiler produced fast math code, I just needed to call these math routines instead of the slow StrictMath routines from my Java program. Java Native Interface (JNI) enables Java ...
Ars Technica

JNI: Can I use it to access Java code from a C++ app (MacOS X)?

I've run into a little bit of a problem. I am currently developing a scientific app for MacOS X Carbon, Windows XP .NET, and Linux GTK+ (later on) in C++ that connects to an Intersystems Cache OODBMS ...
InfoWorld

Integrate Java and C++ with Jace

If you didn’t know better, you might believe that Sun Microsystems had designed the JNI (Java Native Interface) API with the goal of discouraging Java developers ...
Ars Technica

JNI and passing pointers from native to Java code

I would like to have some JNI code malloc a block of memory and pass it back to my Java code (in the form of a jlong), so that future calls to other JNI functions can pass this pointer along for the ...

Using C Libraries in Java 1: Fundamentals of the Foreign Function & Memory API

The Foreign Function & Memory API in Java provides significantly easier access to functions in C libraries than the outdated ...