19 July 2016
Education

Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere" (WORA), meaning that compiled Java code can run on all platforms that support Java without the need for recompilation.

Different Editions of Java Platform:
• J2SE (Java Platform, Standard Edition)
Also known as Core Java, this is the most basic and standard version of Java. It’s the purest form of Java, a basic foundation for all other editions. It consists of a wide variety of general purpose API’s (like java.lang, java.util) as well as many special purpose APIs. J2SE is mainly used to create applications for Desktop environment. It consist all the basics of Java the language, variables, primitive data types, Arrays, Streams, Strings Java Database Connectivity(JDBC) and much more. This is the standard, from which all other editions came out, according to the needs of the time.

• J2EE (Java Platform, Enterprise Edition)
The Enterprise version of Java, also called Advanced Java, has a much larger usage of Java, like development of web services, networking, server side scripting and other various web based applications. J2EE is a community driven edition, i.e. there is a lot of continuous contributions from industry experts, Java developers and other open source organisations. J2EE uses many components of J2SE, as well as, has many new features of it’s own like Servlets, JavaBeans, Java Message Services, adding a whole new functionalities to the language. J2EE uses HTML, CSS, JavaScript etc., so as to create web pages and web services. It’s also one of the most widely accepted web development standard.

J2ME (Java Platform, Micro Edition)
This version of Java is mainly concentrated for the applications running on embedded systems, mobiles and small devices. Also, the J2ME apps help in using web compression technologies, which in turn, reduce network usage, and hence cheap internet accessibility. J2ME uses many libraries and API’s of J2SE, as well as, many of it’s own. The basic aim of this edition was to work on mobiles, wireless devices, set top boxes etc. Old Nokia phones, which used Symbian OS, used this technology.
J2EE Training

http://advantosoftware.com/courses/software-developement/j2ee-training-centres-institutes-classes-in-pune.html

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