Java Software platform

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JAVA

• (software
  platform)

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About JAVA

• Java is a set of computer software and
  specifications developed by Sun Microsystems,
  later acquired by Oracle Corporation, that
  provides a system for developing application
  software and deploying it in a cross-platform comp
  uting environment.
• Java is used in a wide variety of computing
  platforms from embedded devices and mobile
  phones to enterprise servers and supercomputers.

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Platform

• The Java platform is a suite of programs that
  facilitate developing and running programs
  written in the Java programming language. The
  platform is not specific to any one processor
  or operating system, rather an execution engine
  (called a virtual machine) and a compiler with a
  set of libraries are implemented for various
  hardware and operating systems so that Java
  programs can run identically on all of them.
• There are multiple platforms, each targeting a
  different class of devices

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• Java Card A technology that allows small
  Java-based applications (applets) to be run
  securely on smart cards and similar small-memory
  devices.
• Java ME (Micro Edition) Specifies several
  different sets of libraries (known as profiles)
  for devices with limited storage, display, and
  power capacities. Often used to develop
  applications for mobile devices, PDAs, TV set-top
  boxes, and printers.
• Java SE (Standard Edition) For general-purpose
  use on desktop PCs, servers and similar devices.
• Java EE (Enterprise Edition) Java SE plus
  various APIs useful for multi-tier clientserver e
  nterprise applications.

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History

• The Java platform and language began as an
  internal project at Sun Microsystems in December
  1990.
• The Stealth Project was soon renamed to the Green
  Project, with James Gosling and Mike Sheridan
  joining Naughton.
• The team originally considered using C, but
  rejected it for several reasons.
• By the summer of 1992, the team could demonstrate
  portions of the new platform, including the
  Green OS, the Oak language, the libraries, and
  the hardware. 

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Usage

• Desktop use
• Java applications are in fairly widespread
  desktop use, including the NetBeans and Eclipse in
  tegrated development environments, and file
  sharing clients such as LimeWire and Vuze. Java
  is also used in the MATLAB mathematics
  programming environment, both for rendering
  the user interface and as part of the core
  system.
• Java provides cross platform user interface for
  some high end collaborative applications
  like Lotus Notes.

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• Mobile devices
• Java ME has become popular in mobile devices,
  where it competes with Symbian, BREW, and
  the .NET Compact Framework.
• Google's Android operating system uses the Java
  language, but not its class libraries, therefore
  the Android platform cannot be called Java.
• The Java platform has become a mainstay of
  enterprise IT development since the introduction
  of the Enterprise Edition.

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• Thanking You