J2EE J2SE Swing Servlet

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.

j2SE 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.

Swing is a platform-independent, "model-view-controller" GUI framework for Java, which follows a single-threaded programming model. this framework provides a layer of abstraction between the code structure and graphic presentation of a Swing-based GUI.

A Java servlet processes or stores a Java class in Java EE that conforms to the Java Servlet API a standard for implementing Java classes that respond to requests. Servlets could in principle communicate over any client–server protocol, but they are most often used with the HTTP.

How does it works?

• J2EE uses HTML, CSS, JavaScript etc., so as to create web pages and web services
• J2SE is mainly used to create applications for Desktop environment.
• wing's high level of flexibility is reflected in its inherent ability to override the native host operating system (OS)'s.
• Servlets capable of handling complex request obtained from web server.