Gourt > Computers > Programming > Languages > Java > Databases and Persistence > Database Management Systems - DBMS > Object Oriented
In computer science, object-oriented programming, OOP for short, is a computer programming paradigm.
The idea behind object-oriented programming is that a computer program may be seen as comprising a collection of individual units, or objects, that act on each other, as opposed to a traditional view in which a program may be seen as a collection of functions, or simply as a list of instructions to the computer. Each object is capable of receiving messages, processing data, and sending messages to other objects. Each object can be viewed as an independent little machine or actor with a distinct role or responsibility. Procedural to OOP may help understanding the concept using code.
Object-oriented programming is claimed to promote greater flexibility and maintainability in programming, and is widely popular in large-scale software engineering. Furthermore, proponents of OOP claim that OOP is easier to learn for those new to computer programming than previous approaches, and that the OOP approach is often simpler to develop and to maintain, lending itself to more direct analysis, coding, and understanding of complex situations and procedures than other programming methods. Critics dispute this, at least for some domains (industries).
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Ozone - Open source Java Object Database Management System (ODBMS), with multi-user support, object-level access rights, deadlock detection, and XML/DOM support. [Open Source, GPL/LGPL]
db4o - Object database in Java for Java. [Free for non-commercial]
Meta Description: [ db4o is an open source object database engine - a tool for software developers, designed to be as simple and fast as possible. It is supplied as a programming library (Java: .jar /.NET: .dll) to be included with developer applications. ]
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FastObjects j2 - A pure Java object database (ODBMS) component embedded into Java applications to provide object persistence. The j2 OODB is compliant with JDO and is designed for use in embedded systems.
Meta Description: [ Versant is an industry leader in specialized data management. Versant's Object Database Technology (ODBMS, OODBMS) is used in a wide variety of industries to store and access hierarchical, and graph-oriented data. Some of the most successful uses of Versant Object Database are in the field of tel... ]
Jeevan - 100% pure Java Object Oriented Database, with a simple API and no schema definition language. [Commercial]
JYD Object Database - Pure object DBMS written entirely in Java. Multi-user with client-server support and garbage collection. [Commercial]
Meta Description: [ JYD Object database ]
ObjectStore - A complex data management and real-time event processing application for Java and C++ applications.
Meta Description: [ ObjectStore, an object database for native Java and C++ applications, is an embedded database that delivers superior performance at in-memory speed. ]
Sieben Geisslein - An object store implemented in Java. [Open Source, BSD style]
SOD - Alpha-quality object-oriented database providing ODMG-conforming Java and C++ language bindings, for Windows and Linux. [Free for personal use]
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XL2 - OODBMS that uses persistent references to scale Java Object Serialization. [Open Source, GPL]
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