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Hibernate ORM (or simply Hibernate) is an object–relational mapping [2]: §1.2.2, [12] tool for the Java programming language. It provides a framework for mapping an object-oriented domain model to a relational database .
Lightweight dependency injection framework for Java 6 and above Google Web Toolkit (GWT) Set of tools that allows web developers to create and maintain complex JavaScript front-end applications in Java. Hibernate: Object-relational mapping tool for the Java programming language.
Almost all of JCL is stored in a single Java archive file called "rt.jar" which is provided with JRE and JDK distributions. The Java Class Library (rt.jar) is located in the default bootstrap classpath [ 1 ] and does not have to appear in the classpath declared for the application.
Google Guava can be roughly divided into three components: basic utilities to reduce manual labor to implement common methods and behaviors, an extension to the Java collections framework (JCF) formerly called the Google Collections Library, and other utilities which provide convenient and productive features such as functional programming, graphs, caching, range objects, and hashing.
Modules are a new way of grouping code. Contrary to Jar files, modules explicitly declare which modules they depend on, and what packages they export. [12] Explicit dependency declarations improve the integrity of the code, by making it easier to reason about large applications and the dependencies between software components.
Many features originally in Hibernate were incorporated in the Java Persistence API, the replacement for entity beans in EJB 3.0. The EJB 3.0 specification relies heavily on the use of annotations (a feature added to the Java language with its 5.0 release) and convention over configuration to enable a much less verbose coding style.
Jakarta Contexts and Dependency Injection (CDI) is a specification to provide a dependency injection container; Jakarta Enterprise Beans ( EJB ) specification defines a set of lightweight APIs that an object container (the EJB container) will support in order to provide transactions (using JTA ), remote procedure calls (using RMI or RMI-IIOP ...
JasperReports is an open source Java reporting tool that can write to a variety of targets, such as: screen, a printer, into PDF, [2] HTML, Microsoft Excel, RTF, ODT, comma-separated values (CSV), XSL, [2] or XML files.