The Java EE stands as an abbreviation for Java Enterprise Edition. The Java EE comes with some advanced Java specifications in collaboration with the Java Standard Edition(SE).
What is Java EE?
Java EE is an abbreviation for Java Enterprise Edition. We can consider the Java Enterprise Edition as an upgraded version of Java SE (Standard Edition). It adds these upgrades for supporting enterprise-level developer requirements.
Following the brief introduction to Java EE, we shall now move ahead and learn why we exactly need Java EE, in the next segment.
Why We Need Java EE?
The advanced Java specifications in Java EE are incorporated to make a few requirements meet. The following are the few significant reasons for which we need Java EE in real-time.
Powerful API Support
The Java EE since the version is consistently upgrading and finding ways to improve API and programming models for the latest applications and incorporate the features requested by the worldwide developers' community.
Reduce Development Time
The primary motto of introducing the Java EE was to reduce the complexities associated with the application development time. Since the Java EE version 5, the XML Deployment descriptors have gone optional. Instead, developers enter the information in the form of an annotation directly into a Java source file. The Java EE server will assist the developer in configuring the component at deployment and runtime automatically.
Reduce Application Complexity
These days, the developers instantly identify the necessity for distributed, transactional, and portable applications that increase server-side technology's agility, safety, and reliability. The Java EE focuses on helping enterprise applications in being designed, built, and produced with less complexity, more incredible speed, and limited cost-effectiveness resources.
System Application Performance
Java EE has made Java enterprise application development easier or faster. The Java EE platform's motto takes pride in providing developers with a robust set of APIs. This is done while reducing development time, reducing application complexity, and improving the performance of the application.
Now that we understand precisely why we needed Java EE, let us continue and learn the various specification in which we find the implementations of Java EE in real-time.
Java EE Specification
Java EE has various specifications for different purposes. They can perform reading, writing database management, transaction processing, and web page designing.
The Java EE has four different specifications, as shown below.
We will learn about all the specifications in a more detailed way moving on.
Enterprise Specification
Context and Dependency Injection
The Java Enterprise Edition provides the software container developed to enable the injection of dependencies in Swing.
Java Enterprise Java Bean
These are APIs that an object container executes to provide transactions, remote procedure calls, and concurrency control.
Java Persistence API
Persistence APIs are the specifications of object-relational mapping between relational database tables and Java classes.
Java Transaction API
Transaction API includes the interfaces and annotations to establish interaction between transaction support offered by Java EE.
Web Specification
Java Servlet
Java Servlet specification defines how you can manage HTTP requests, either synchronously or asynchronously.
Web Socket
Java WebSocket is a communication protocol. Web socket API provides a set of APIs to facilitate WebSocket connections.
Java Server Faces
Java Server Faces are the services that help in the building of GUI out of Server components.
Unified Expression Language
Unified Expression Language is a simple language that was specifically designed to facilitate web application developers.
Web Service Specifications
RESTful Web Services
RESTful API Web Service helps in providing services having Representational State Transfer schema.
JSON Processing
JSON Processing is a combination of specifications to manage the information provided in JSON format.
JSON Binding
JSON Binding is a set of specifications used for binding or parsing a JSON file into Java classes.
XML Binding
JSON Binding allows binding of XML into Java objects.
Other Specifications
Validation
The Validation package contains various interfaces and annotations for declarative validation support offered by Bean Validation API.
Batch Applications
The Validation package contains various interfaces and annotations for declarative validation support offered by Bean Validation API.
Java EE Connectors
Java EE Connector is a Java-based technological solution for connecting Java servers to Enterprise Information System.
The Java EE specifications will now understand the minimum hardware requirements to install Java EE into our local system.
System Requirements
The following are hardware requirements you need to have in your local system to install Java EE.
- JVM Standard Edition 6
- Windows / Linux Operating System
- 1 GB RAM
- 250 GB ROM Space
- Java Development Kit
Followed by the Hardware Specification, we will now learn how to install and configure Java EE into our local environment.
How to Set Up the Java EE Environment?
To install and set up the Java EE environment in our local Windows Operating system, we need to follow the steps below.
- Browse to Oracle official Java site
- Go to Java SE Development Kit
- Accept the license terms
- Download the JDK file
- Run JDK as Administrator
- Setup Java Environment
For a detailed and elaborate explanation of installing Java into your local windows operating system, please refer to the following article.
One-Stop Solution for Java Installation in Windows
Next, we will understand the critical differences between the Standard Edition and the Enterprise Edition of Java.
Java SE v/s Java EE
Next, we will understand the critical differences between the Standard Edition and the Enterprise Edition of Java.
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Java SE |
Java EE |
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Java SE Provides basic functionalities like defining Classes and Objects. |
Java EE mainly focuses on the high-end and corporate type of Java Applications. |
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Java SE is Standard Specification. |
Java EE is an advanced specification to support Web Applications and Servlets. |
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Java SE has features like class libraries and deployment environments. |
Java EE has a structured application with clients, business, and enterprise layers. |
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We use Java SE for desktop and mobile application development. |
We use mainly Java EE for web development. |
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Beginners mostly use Java SE. |
Experts mostly use Java EE. |
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Java SE does not have authentication. |
Java EE has authentication. |
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