Portal:Java

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This page is about the Java programming language. For the island of Java, see Java (island) and Portal:Indonesia.


The Java Portal

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Welcome to Wikipedia's Java portal. Java refers to a number of computer software products and specifications from Sun Microsystems that together provide a system for developing application software and deploying it in a cross-platform environment. Java is used in a wide variety of computing platforms from embedded devices and mobile phones to enterprise servers and supercomputers. Java is nearly ubiquitous in mobile phones, Web servers and enterprise applications, and while less common on desktop computers, Java applets are often used to provide improved functionality while browsing the World Wide Web. Code is produced through writing in the Java programming language, then executed by a Java Virtual Machine (JVM). In 2006, Sun Microsystems made the bulk of its implementation of Java available under a public license.
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Java Platform, Standard Edition

Java Platform, Standard Edition or Java SE is a widely used platform for programming in the Java language. It is the Java Platform used to deploy portable applications for general use. In practical terms, Java SE consists of a virtual machine, which must be used to run Java programs, together with a set of libraries (or "packages") needed to allow the use of file systems, networks, graphical interfaces, and so on, from within those programs.

Nomenclature, standards and specifications

Java SE was known as Java 2 Platform, Standard Edition or J2SE from version 1.2 until version 1.5. The "SE" is used to distinguish the base platform from Java EE and Java ME. The "2" was originally intended to emphasize the major changes introduced in version 1.2, but was removed in version 1.6. The naming convention has been changed several times over the Java version history. Starting with J2SE 1.4 (Merlin), Java SE has been developed under the Java Community Process. JSR 59 was the umbrella specification for J2SE 1.4 and JSR 176 specified J2SE 5.0 (Tiger). Java SE 6 (Mustang) was released under JSR 270.

Java Platform, Enterprise Edition is a related specification which includes all of the classes in Java SE, plus a number which are more useful to programs which run on servers as opposed to workstations. Java Platform, Micro Edition is a related specification intended to provide a certified collection of Java APIs for the development of software for small, resource-constrained devices such as cell phones, PDAs and set-top boxes.

The JRE and JDK are the actual files that are downloaded and installed on a computer in order to run or develop java programs, respectively.

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Here is a schema of the general architecture of a program running in a Java Virtual Machine.

Java-jvm.png

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James Gosling's weblog
James Gosling 2005.jpg
Born (1955-05-19) May 19, 1955 (age 61)
near Calgary, Alberta, Canada
Residence United StatesUnited States
Nationality CanadaCanada
Alma mater Carnegie Mellon University, University of Calgary
Occupation Computer Scientist
Employer Sun Microsystems
Known for Java programming language
Title Chief Technology Officer, CSG
Awards Officer of the Order of Canada

James Arthur Gosling, O.C., Ph.D. (born May 19, 1955 near Calgary, Alberta, Canada) is a famous software developer, best known as the father of the Java language.

In 1977, James Gosling received a B.Sc in Computer Science from the University of Calgary. In 1983, he earned a Ph.D in Computer Science from Carnegie Mellon University, and his doctoral thesis was titled "The Algebraic Manipulation of Constraints".

While working towards his doctorate, he wrote a version of emacs (gosmacs), and before joining Sun Microsystems he built a multi-processor version of Unix while at Carnegie Mellon University, as well as several compilers and mail systems.

Since 1984, Gosling has been with Sun Microsystems. He is generally credited as the inventor of the Java programming language in 1991. He created the original design of Java and implemented its original compiler and virtual machine. For this achievement he was elected to the United States National Academy of Engineering.

He has also made major contributions to several other software systems, such as NeWS and Gosling Emacs. He also cowrote the "bundle" program, a utility thoroughly detailed in Brian Kernighan and Rob Pike's book The Unix Programming Environment.

In 2007, he was made an Officer of the Order of Canada. The Order is Canada's highest civilian honour. Officers are the second highest grade.


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  • ... that Java SE 6 is code-named Mustang?
  • ... that Duke is Java's mascot and "smart agent" assisting the user in PDA?

Quiz

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

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2. When was Java first released?

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

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

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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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List of Blu-ray Disc recordable manufacturers

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(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: 2016-07-24 19:38 (UTC)

Note: The list display can now be customized by each user. See List display personalization for details.








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Computer platform - Computer programming (Programming languages) - Software

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  • 1992: Java 0 (Oak)
  • 1995: Java 1.0
  • 1997: Java 1.1
  • 1998: Java 1.2
  • 2000: Java 1.3
  • 2002: Java 1.4
  • 2004: Java 5
  • 2006: Java 6
  • 2011: Java 7
  • 2014: Java 8

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Guy Steele (Sun Microsystems Labs)

Index of Java articles

0-9      A       B       C       D       E       F       G       H       I       J       K      L      M      N      O      P      Q      R      S      T      U      V      W      X       Y      Z


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