What do you know about J2EE platform?
The J2EE platform is a set of standard specifications that describe application components, APIs, and the runtime containers and services of an application server.
What are J2EE concepts?
J2EE (Java 2 Platform Enterprise Edition) is a platform-independent environment used for configuring web-based enterprise applications. It contains several API, protocols, and run time environment for the development of network-based web services.
What are the J2EE models?
The J2EE application model divides enterprise applications into three fundamental parts: components, containers, and connectors. Components are the key focus of application developers, while system vendors implement containers and connectors to conceal complexity and promote portability.
What technologies are included in the J2EE platform?
For completeness, however, the full list of technologies that make up J2EE is as follows:
- Java Servlets.
- JavaServer Pages (JSP)
- Enterprise JavaBeans (EJB)
- Java Message Service (JMS)
- Java Naming and Directory Interface (JNDI)
- Java Database Connectivity (JDBC)
- JavaMail.
- Java Transaction Service (JTS)
What are the four components of J2EE application?
The four J2EE application components are: Client tier, Web tier, business tier and enterprise information system (EIS) tier.
Is J2EE a framework?
J2EE is a set of specifications, which define the standard for developing multi-tier enterprise applications with Java. The J2EE platform provides a complete framework for design, development, assembly, and deployment of Java applications built on multi-tiered distributed application model.
What is J2EE architecture?
J2EE Architecture is made up of three tier, such as the client tier that is used as an interactive medium for the end user or the client & consists of web clients and application clients, the middle tier that is used for defining logical functioning units & consist of web components and EJB components, and the …
What are the three types of J2EE modules?
J2EE defines four types of modules:
- Application Client Module.
- WEB Module.
- Enterprise JavaBeans Module.
- Resource Adapter Module.
What is the J2EE platform in Java 2?
J2EE Platform Overview. The Application Server implements Java 2 Enterprise Edition (J2EE) 1.4 technology. The J2EE platform is a set of standard specifications that describe application components, APIs, and the runtime containers and services of an application server.
Which is half of the picture of J2EE?
Whereas this can be considered as half of the picture of entire J2EE features. J2EE is also one of the standard edition for developing and building or deploying any kind of enterprise application working together by some of the required specifications of API, which is defined properly and require services also can be provided by J2EE.
Which is an integral part of the J2EE standard?
WS-I is an integral part of the J2EE standard and defines interoperable web services. It enables clients written in any supporting language to access web services deployed to the Application Server. The best access mechanism depends on the specific application and the anticipated volume of traffic.
What should I do after learning J2EE framework?
J2EE is a huge technology and always upgraded itself for better features. After learning J2EE, a developer should need to concentrate more on some specific framework like Spring core, Spring MVC, Spring Boot or Struts 1, 2, etc.