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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.
Dart includes dart:ffi [10] library to call native C code for mobile, command-line, and server applications; Dynamic programming languages, such as Python, Perl, Tcl, and Ruby, all provide easy access to native code written in C, C++, or any other language obeying C/C++ calling conventions.
Java Native Access (JNA) The JNI-free way to call native code from Java. gcj The runtime library for the GNU Compiler for the Java Programming Language uses libffi to handle calls back and forth between interpreted and natively compiled code. gcj was a part of the GCC, the GNU Compiler Collection.
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 ...
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 code only, with no JNI or native code.
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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.