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The JNA library uses a small native library called foreign function interface library to dynamically invoke native code.The JNA library uses native functions allowing code to load a library by name and retrieve a pointer to a function within that library, and uses libffi library to invoke it, all without static bindings, header files, or any compile phase.
Jakarta Connectors (JCA; formerly known as Java EE Connector Architecture and J2EE Connector Architecture) are a set of Java programming language tools designed for connecting application servers and enterprise information systems (EIS) as a part of enterprise application integration (EAI). While JDBC is specifically used to establish ...
It can be seen as Java RMIs over web services. JAX-RPC 2.0 was renamed JAX-WS 2.0 (Java API for XML Web Services). JAX-RPC 1 is deprecated with Java EE 6. [1] The JAX-RPC service utilizes W3C (World Wide Web Consortium) standards like WSDL (Web Service Description Language). [2] The core API classes are located in the Java package javax.xml.rpc.
JAX-RS uses annotations, introduced in Java SE 5, to simplify the development and deployment of web service clients and endpoints. From version 1.1 on, JAX-RS is an official part of Java EE 6. A notable feature of being an official part of Java EE is that no configuration is necessary to start using JAX-RS.
A typical implementation model of Java-RMI using stub and skeleton objects. Java 2 SDK, Standard Edition, v1.2 removed the need for a skeleton. The Java Remote Method Invocation (Java RMI) is a Java API that performs remote method invocation, the object-oriented equivalent of remote procedure calls (RPC), with support for direct transfer of serialized Java classes and distributed garbage ...
Each WAR file typically has the following structure: WEB-INF/ web.xml: The deployment descriptor for the web module. classes/: Contains compiled Java classes. lib/: Contains library JAR files used by the web module. RAR Files: These files contain resource adapters, typically used to connect to enterprise information systems (EIS).
JAXR is one of the Java XML programming APIs. The JAXR API was developed under the Java Community Process as JSR 93. JAXR provides a uniform and standard Java API for accessing different kinds of XML-based metadata registry. Current implementations of JAXR support ebXML Registry version 2.0, and UDDI version 2.0. More such registries could be ...
The JTA API consists of classes in two Java packages: javax.transaction; javax.transaction.xa; The JTA is modelled on the X/Open XA architecture, but it defines two different APIs for demarcating transaction boundaries. It distinguishes between an application server such as an EJB server and an application component.