What s the main difference between Java SE and Java EE

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Java SE refers to the standard version of Java and its libraries  Java EE refers to the Enterprise edition of Java which is used to deploy web applications

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Java EE is enterprise edition   Includes jsp  servlets  beans  and some other stuff for server programming   Java SE is standard edition  This is plain old Java  Includes GUI stuff

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The biggest difference are the enterprise services  hence the ee  such as an application server supporting EJBs etc

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http   www dreamincode net forums topic 99678-j2se-vs-j2ee-what-are-main-differences   As far as the language goes it is not as though java changes  Java EE has access to all of the SE libraries  However EE adds a set of libraries for dealing with enterprise applications   Java EE is more like a  platform  or an general area of development   In Java SE you write applications that run as standalone java programs or as Applets  In JavaEE you can still do this  but you can also write applications that run inside of a Java EE container  The container can do a great amount of management for you such as scaling an application across threads  providing resource pools  and management features   Java EE has a web framework based upon Servlets  It has JSP  Java Server Pages  which is a templating language that compiles from JSP to a Java servlet where it can be run by the container   So Java EE is more or less Java SE   Enterprise platform technologies   Java EE is far more than just a couple of extra libraries  that is what I thought when I first looked at it  since there are a ton of frameworks and technologies built upon the Java EE specifications   But it all boils down to just plain old java

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In Java SE you need software to run the program like if you have developed a desktop application and if you want to share the application with other machines all the machines have to install the software for running the application  But in Java EE there is no software needed to install in all the machines  Java EE has the forward capabilities  This is only one simple example  There are lots of differences

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JavaSE and JavaEE both are computing platform which allows the developed software to run   There are three main computing platform released by Sun Microsystems  which was eventually taken over by the Oracle Corporation  The computing platforms are all based on the Java programming language  These computing platforms are      Java SE  i e  Java Standard Edition  It is normally used for   developing desktop applications  It forms the core base API       Java EE  i e  Java Enterprise Edition  This was originally known as   Java 2 Platform  Enterprise Edition or J2EE  The name was eventually   changed to Java Platform  Enterprise Edition or Java EE in version 5    Java EE is mainly used for applications which run on servers  such as   web sites       Java ME  i e  Java Micro Edition  It is mainly used for applications   which run on resource constrained devices  small scale devices  like   cell phones  most commonly games

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First  J2SE and J2EE have been renamed   They re now Java SE and Java EE   Essentially  Java SE is your standard Java designed for end-users  That s what you d develop to for desktop applications  Java EE is the enterprise edition  designed for server programming  such as SOA and web applications

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Java SE  formerly J2SE  is the basic Java environment  In Java SE  you make all the  standards  programs with Java  using the API described here  You only need a JVM to use Java SE   Java EE  formerly J2EE  is the enterprise edition of Java  With it  you make websites  Java Beans  and more powerful server applications  Besides the JVM  you need an application server Java EE-compatible  like Glassfish  JBoss  and others

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Best description i ve encounter so far is available on Oracle website      Java SE s API provides the core functionality of the Java programming language  It defines everything from the basic types and objects of the Java programming language to high-level classes that are used for networking  security  database access  graphical user interface  GUI  development  and XML parsing       The Java EE platform is built on top of the Java SE platform  The Java EE platform provides an API and runtime environment for developing and running large-scale  multi-tiered  scalable  reliable  and secure network applications    If you consider developing application using for example Spring Framework you will use both API s and would have to learn key concept of JavaServer Pages and related technologies like for ex   JSP  JPA  JDBC  Dependency Injection etc

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Java SE contains all the base packages  Some of the base packages are written in Java and some are written in C C    The base packages are the fastest because there are no additional layers on top of their core functionality   Java EE is a set of specifications and the respective implementations are all built using Java SE base packages which happen to already contain everything required for any application  For example  for a web application  here is a Java SE Web Server and a Java SE Database   Java SE 9 10 is expected to contain better support for native in order to improve the inherent performance issues it has from being an interpreted language  Using the enormous Java EE implementations implies a willingness to sacrifice performance  scalability and a lot of time and money for education and updates  in exchange for project standardization

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Java SE stands for Java standard edition and is normally for developing desktop applications  forms the core base API   Java EE stands for Java enterprise edition for applications which run on servers  for example web sites   Java ME stands for Java micro edition for applications which run on resource constrained devices  small scale devices  like cell phones  for example games

[java] What's the main difference between Java SE and Java EE?

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