Tutorial: Your first Java EE application IntelliJ IDEA Documentation

Reflection is a very powerful API and used in almost all the Java, J2EE frameworks like Spring, Hibernate, JUnit and Tomcat. It’s one of the advanced topics of core java and used in framework implementations, check out this post to learn about Java Reflection API with a lot of examples. The Java EE stands for Java Enterprise Edition, which was earlier known as J2EE and is currently known as Jakarta EE. It is a set of specifications wrapping around Java SE (Standard Edition).

Java EE Lessons

It simplifies the development of tests by mocking external dependencies and apply the mocks into the code under test. I have written a lot of java tutorials here into many categories. Some of them are in core java tutorial whereas some of them are in J2EE tutorial or Java EE tutorial area.

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This software or hardware is developed for general use in a variety of
information management applications. It is not developed or intended for use
in any inherently dangerous applications, including applications that may
create a risk of personal injury. Oracle Corporation and its affiliates disclaim any liability for any damages
caused by use of this software or hardware in dangerous applications. Hibernate is the best Java ORM tool in the current market. You can go through these in sequence to learn the hibernate from scratch.

Java EE Lessons

There are 22 design patterns in java divided into three categories – creational, structural and behavioral design patterns. Check out the post to learn about these design patterns, their intent and how to implement them with an example. Instead, a developer can simply enter the
information as an annotation directly into a Java source file, and the
Java EE server will configure https://remotemode.net/become-a-java-developer-se-7/java-ee/ the component at deployment and runtime. These annotations are generally used to embed in a program data that
would otherwise be furnished in a deployment descriptor. With
annotations, you put the specification information in your code next to
the program element affected. It is an enterprise platform that is mainly used to develop web and enterprise applications.

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Enterprise Java developers are in high demand in the IT marketplace today. IT professionals can differentiate themselves from their peers or competition and gain valuable job security by earning a Java EE certification. Expand your knowledge of Java EE and related technologies today with comprehensive, expert-led training from Oracle University. Then validate what you know with a Java EE certification and move your career forward. Oracle contributes to numerous open-source projects that involve a wide variety of technologies. When you enroll in the course, you get access to all of the courses in the Specialization, and you earn a certificate when you complete the work.

This article goes in depth of the JUnit components, its architecture, and how to start using JUnit test cases in your java application. PrimeFaces is very easy to use and comes with a lot of components to create an awesome effect on view pages. One of the most useful features of PrimeFaces is the support for creating responsive view pages, that is a must-have for current web pages. We have more than 20 articles on PrimeFaces that you can read in the order to start as a beginner and become a pro. Generics was introduced in Java 5 to remove type-casting in using Collection classes and to provide means for type checking at compile time.


The Java EE provides a platform for developers with enterprise features such as distributed computing and web services. Java EE applications are usually run on reference run times such as microservers or application servers. Examples of some contexts where Java EE is used are e-commerce, accounting, banking information systems. In the previous steps, we deployed the application using an exploded artifact, where all files are uncompressed. This is useful during the first stages of development because it allows you to update individual resources and classes without redeploying.

Your electronic Certificate will be added to your Accomplishments page – from there, you can print your Certificate or add it to your LinkedIn profile. If you only want to read and view the course content, you can audit the course for free. The Java platform gives you the ability to write code quickly and still deliver high-performance applications. If you are a professional Java developer and looking for the facts about Java developer salary, then it totally depends on the key skills you hold.