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JavaBean

JavaBeans are reusable software components for Java that can be manipulated visually in a builder tool. Practically, they are classes written in the Java programming language conforming to a particular convention. They are used to encapsulate many objects into a single object (the bean), so that they can be passed around as a single bean object instead of as multiple individual objects. A JavaBean is a Java Object that is serializable, has a nullary constructor, and allows access to properties using getter and setter methods.

JavaBean conventions

In order to function as a JavaBean class, an object class must obey certain conventions about method naming, construction, and behavior. These conventions make it possible to have tools that can use, reuse, replace, and connect JavaBeans.

The required conventions are:

• The class must have a public default constructor. This allows easy instantiation within editing and activation frameworks.
• The class properties must be accessible using get, set, and other methods (accessor methods and mutator methods), following a standard naming convention. This allows easy automated inspection and updating of bean state within frameworks, many of which include custom editors for various types of properties.
• The class should be serializable. This allows applications and frameworks to reliably save, store, and restore the bean's state in a fashion that is independent of the VM and platform.

Because these requirements are largely expressed as conventions rather than by implementing interfaces, some developers view JavaBeans as Plain Old Java Objects that follow specific naming conventions.

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Selected biography

Patrick Naughton (born in 1965) is an American software developer, best known as being one of the original creators of the Java programming language.

As a Sun engineer, Patrick Naughton had become increasingly frustrated with the state of Sun's C++ and C APIs (application programming interfaces) and tools. While considering moving to NeXT, Naughton was offered a chance to work on new technology and thus the Stealth Project was started.

The Stealth Project was soon renamed to the Green Project with James Gosling and Mike Sheridan joining Naughton. Together with other engineers, they began work in a small office on Sand Hill Road in Menlo Park, California. They were attempting to develop a new technology for programming next generation smart appliances, which Sun expected to be a major new opportunity.

In June and July 1994, after three days of brainstorming with John Gage, the Director of Science for Sun, James Gosling, Bill Joy, Naughton, Wayne Rosing, and Eric Schmidt, the team re-targeted the platform for the World Wide Web. They felt that with the advent of the first graphical web browser, Mosaic, the Internet was on its way to evolving into the same highly interactive medium that they had envisioned for cable TV. As a prototype, Naughton wrote a small browser, WebRunner, later renamed HotJava.

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Did you know...

• ... that both the Mozilla Firefox and Microsoft Internet Explorer browser designs are descended from the Mosaic web browser?

• ... that Netscape was the first web browser to support Java, other than Java's own HotJava Browser?

• ... that Java SE 6 is code-named Mustang?

• ... that Java Runtime Environment is found on over 700 million PCs?

• ... that Duke is Java's mascot and "smart agent" assisting the user in PDA?

• ... that in 2008 Hewlett-Packard created a prototype of the theoretical fourth and last passive circuit element, the memristor (first devised in 1971), that may one day revolutionize electronics?

Quiz

1. Who said: "There's only one trick in software, and that is using a piece of software that's already been written."?

Answer

2. When was Java first released?

Answer

3. Why is JavaScript thus named if it is essentially unrelated to Java?

Answer

4. Which was Java's original name: Green, Oak, Stealth, C++ ++ --, firstperson, Duke or Coffee?

Answer

5. True or False: An Interface can never be private or protected?

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Java topics (all)

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List of Blu-ray disc replicating machines manufacturers

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From bot (AlexNewArtBot):
(These articles are the ones recently identified as possibly Java-related but yet unconfirmed) This list was generated from these rules. Questions and feedback are always welcome! The search is being run daily with the most recent ~14 days of results. Note: Some articles may not be relevant to this project.

Rules | Match log | Results page (for watching) | Last updated: 2015-09-04 19:47 (UTC)

• QuakeML ( | talk | history | links | watch | logs | tools) by Mercuriolu (talk · contribs · new pages (1)) started on 2015-09-03, score: 15

• Sofacy Group ( | talk | history | links | watch | logs | tools) by Gobonobo (talk · contribs · new pages (11)) started on 2015-09-01, score: 15

• Arendelle (programming language) ( | talk | history | links | watch | logs | tools) by Karux (talk · contribs · new pages (1)) started on 2015-08-28, score: 30

• Utgard (software) ( | talk | history | links | watch | logs | tools) by Sae1962 (talk · contribs · new pages (3)) started on 2015-08-24, score: 21
• Intel XDK ( | talk | history | links | watch | logs | tools) by CookyBunny (talk · contribs · new pages (1)) started on 2015-08-24, score: 30

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