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Java Native Access (JNA) is a community-developed library that provides Java programs easy access to native shared libraries without using the Java Native Interface (JNI). JNA's design aims to provide native access in a natural way with a minimum of effort. Unlike JNI, no boilerplate or generated glue code is required.
In software design, the Java Native Interface (JNI) is a foreign function interface programming framework that enables Java code running in a Java virtual machine (JVM) to call and be called by [1] native applications (programs specific to a hardware and operating system platform) and libraries written in other languages such as C, C++ and assembly.
JNAerator is a computer programming tool for the Java programming language which automatically generates the Java Native Access (JNA) or BridJ code needed to call C, C++ and Objective-C libraries from Java code. It reads in ANSI C header files and emits Java code. Some optional customization can be done through command line options, which can ...
To resolve this issue Java implements wrapper libraries which make these system calls callable from a Java application. In order to achieve this, languages like Java provide a mechanism called foreign function interface that makes this possible. Some examples of these mechanisms include: Java Native Interface (JNI) Java Native Access (JNA)
J/Direct was a technology included in some versions of Microsoft Java Virtual Machine, which allowed direct calls into the Windows API. J/Direct was specific of Microsoft's Virtual Machine, in replacement of the standard Java Native Interface (JNI). A Java program which used J/Direct would not run on platforms other than Microsoft Windows.
jblas is a linear algebra library, created by Mikio Braun, for the Java programming language built upon BLAS and LAPACK. Unlike most other Java linear algebra libraries, jblas is designed to be used with native code through the Java Native Interface and comes with precompiled binaries. When used on one of the targeted architectures, it will ...
The Java Native Interface invokes a high overhead, making it costly to cross the boundary between code running on the JVM and native code. [68] [69] [70] Java Native Access (JNA) provides Java programs easy access to native shared libraries (dynamic-link library (DLLs) on Windows) via Java
As JNI can be complex, Gluegen simplifies the process of binding Java to C native libraries. It was originally developed for Java OpenGL (JOGL), a Java OpenGL library, although the project has since been separated so it can be used with other libraries. As of 2010, it is also used in Java OpenAL (JOAL), which allows Java code to access OpenAL ...