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A Java class file is a file (with the .class filename extension) containing Java bytecode that can be executed on the Java Virtual Machine (JVM).A Java class file is usually produced by a Java compiler from Java programming language source files (.java files) containing Java classes (alternatively, other JVM languages can also be used to create class files).
The Eclipse Web Tools Platform (WTP) project is an extension of the Eclipse platform with tools for developing Web and Java EE applications. It includes source and graphical editors for a variety of languages, wizards and built-in applications to simplify development, and tools and APIs to support deploying, running, and testing apps.
According to Ed Merks, EMF project lead, "Ecore is the defacto reference implementation of OMG's EMOF" (Essential Meta-Object Facility). Still according to Merks, EMOF was actually defined by OMG as a simplified version of the more comprehensive 'C'MOF by drawing on the experience of the successful simplification of Ecore's original implementation.
The Eclipse IDE platform can be extended by adding different plug-ins. Notable examples include: Acceleo, an open source code generator that uses EMF-based models to generate any textual language (Java, PHP, Python, etc.). Actifsource, a modeling and code generation workbench. Adobe ColdFusion Builder, the official Adobe IDE for ColdFusion.
bootstrap classes: the classes that are fundamental to the Java Platform (comprising the public classes of the Java Class Library, and the private classes that are necessary for this library to be functional). extension classes: packages that are in the extension directory of the Java Runtime Environment or JDK, jre/lib/ext/
Acceleo, an Open Source code generator that uses EMF based models to generate any textual language (Java, PHP, Python, etc.). Sirius, an Open Source project to create custom graphical modeling workbenches by leveraging the Eclipse Modeling technologies, including EMF and GMF.
A persistence entity is a lightweight Java class with its state typically persisted to a table in a relational database. Instances of such an entity correspond to individual rows in the table. Entities typically have relationships with other entities, and these relationships are expressed through object/relational mapping (ORM) metadata.
A Java package organizes Java classes into namespaces, [1] providing a unique namespace for each type it contains. Classes in the same package can access each other's package-private and protected members. In general, a package can contain the following kinds of types: classes, interfaces, enumerations, records and annotation types. A package ...