Difference Between Java and J2EE

Edited by Diffzy | Updated on: September 17, 2022

       

Difference Between Java and J2EE Difference Between Java and J2EE

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Introduction

Java is one of the most popular programming languages out there, and Java Enterprise Edition (J2EE) is one of the most widely used platforms to build enterprise applications. But what are the differences between these two technologies? Is J2EE just a subset of Java, or does it offer more features and benefits that set it apart from Java? Let’s take a look at how these two pieces of software stack up against each other so you can decide which technology to use in your next project.

Java vs J2EE

Java and J2EE are two popular programming languages ​​used in developing web applications. They are both object-oriented languages ​​and have many similarities, but there are also some important differences that you should be aware of before deciding which one to use for your project. Here's a quick rundown of the key differences between Java and J2EE *J2EE was created specifically for building web applications, while Java can be used for building any type of application.

  • The E in J2EE stands for Enterprise Edition; this means it includes additional features to make it more powerful and easier to work with larger datasets.
  • J2EE doesn't include all features that are part of Java, so when using J2EE, you need an add-on product called an application server to provide them (like Tomcat or WebSphere). The two main types of application servers are app servers that require installation on physical hardware or virtual machine app servers like Oracle VM VirtualBox.

Difference Between Java and J2EE in Tabular Form

Table: Java vs J2EE
Parameters of Comparison
JAVA
J2EE
Define
Java is that a language requires more coding than other languages because
each task needs to be written out separately
J2EE is a set of specifications for enterprise features such as distributed computing and web services.
Developed
A desktop-based application
Enterprise development.
Establish in year
1995
1999

What is Java?

Java is a versatile and powerful programming language that enables developers to create robust, high-performance applications. Java is platform-independent, meaning it can run on any operating system, and it is used in a variety of industries, including financial services, retail, and healthcare. The downside of Java is that the language requires more coding than other languages because each task needs to be written out separately. Furthermore, the use of this language often results in larger file sizes. However, with the advent of machine learning and big data analytics becoming more prevalent in business, the need for Java is expected to grow over time. Another consideration is that Java applications are compiled, so there are fewer security risks involved with Java. What is J2EE?: Unlike Java, which must be coded from scratch by a developer, Enterprise Applications (EAs) or enterprise software programs have prebuilt components that allow developers to easily assemble applications from alreadycreated parts. Developers do not need to code every part of an application as long as they have access to EA programs or templates. For example, if someone wanted to build an application for their company’s payroll service and they only had payroll software available but no developers on staff capable of developing such an application themselves, they could instead assemble their payroll program using existing pieces of software via EA tools.

A brief history of Java

Java was created in 1991 by James Gosling at Sun Microsystems. The language was designed to be platform-independent, meaning that programs written in Java could run on any type of computer system. Java quickly became popular, particularly for web-based applications. In 2006, Sun Microsystems released Java EE (Enterprise Edition), which added features specifically for large-scale applications. Oracle acquired Sun Microsystems in 2010 and has since been responsible for developing and maintaining Java. A few years later, the programming language evolved into Java SE (Standard Edition) as well as a more robust Java ME (Micro Edition). The difference between these two editions is not significant enough to cause much confusion; they are often used interchangeably. It's worth noting that JDK 8, the most recent version of Java SE, runs on all major operating systems including Windows XP SP3+, Mac OS X 10.6+, and Linux with an Intel x86 processor.

Who uses Java?

Java is a versatile language that can be used for a wide range of applications. Large enterprises, small businesses, and individual developers all use Java to create web applications, desktop applications, mobile apps, and more. A major benefit of Java is its adaptability to multiple platforms. It's easy to convert from one type of application programming interface (API) to another because the platform's class libraries are interchangeable.

This versatility makes it a popular choice for organizations with large projects in mind as well as smaller ones looking for low-risk solutions that won't need constant updating or expensive customization later on down the line. Continuation (five+ sentences): With many benefits and a few drawbacks, Java may be your best bet if you're an organization with big goals or an entrepreneur looking for stability in your app development efforts.

Platform for Java

Java is a versatile and powerful programming language that can be used for a wide range of applications. However, when it comes to enterprise-level applications, Java Enterprise Edition (J2EE) is the standard. J2EE provides a platform for developing and deploying enterprise-level applications. It includes a set of APIs and tools for building, testing, and deploying web-based applications. J2EE also offers scalability and high availability features that are essential for mission-critical applications. So, which one should you use? It depends on your needs. Java is a good choice if you're looking to develop a simple application. But if you need to develop an enterprise-level application, J2EE is the way to go. For example, let's say you want to build a website where users can buy products. You would need security provisions in place so that only authorized users could access certain pages or make purchases with their credit cards. With Java, there would be several layers of security code to implement all these protections, while with J2EE there would just be a few lines in configuration files--allowing the development process to move much more quickly and efficiently.

Application of Java

Java is a versatile language that can be used for developing a range of applications, from small standalone programs to large-scale enterprise systems. Java is also relatively easy to learn, making it a good choice for beginners. However, Java can be slow and resource-intensive, so it may not be the best choice for high-performance applications. J2EE is a variation of Java that is designed specifically for enterprise applications. It includes features such as distributed computing and multi-tier architecture support that make it more scalable and performant than regular Java. If you're looking to develop an enterprise application, J2EE is the better choice. For most other purposes, however, Java will work just fine.

What is J2EE?

J2EE is a platform-independent, Java-centric environment from Sun for developing, building, and deploying Web-based enterprise applications online. The J2EE platform consists of a set of services, APIs, and protocols that provide the functionality for developing multitiered, Web-based applications. It includes not only a rich programming API but also features such as JDBC, servlets, an event model, and various other tools. All these elements work together to enable software developers to build robust, scalable applications in Java with minimal effort.

A brief history of J2EE

Java 2 Platform, Enterprise Edition or J2EE is a set of specifications, extending Java SE with specifications for enterprise features such as distributed computing and web services. It was released in December 1999. The first version was released as J2EE 1.2 in December 2001. J2EE 1.4 was released in June 2002. The current version is J2EE 1.6, which was released in December 2009. The last release date has not been announced.

J2EE is an implementation that can be used on different platforms to provide the capabilities it offers to developers. J2EE was designed to be portable across various operating systems, including UNIX and Windows NT. Many vendors have created products based on the specification - Sun Microsystems (GlassFish), IBM (WebSphere), Red Hat (JBoss), and Apache Software Foundation (Tomcat). Many organizations use these products as their foundation for building scalable Web applications using open standards-based technologies.

Who uses J2EE?

J2EE is a platform-independent, Java-centric environment from Sun for developing, building, and deploying Web-based enterprise applications online. J2EE applications are typically composed of modular components running on an application server. JavaServer Pages (JSP), servlets, Enterprise JavaBeans (EJB), and Java Naming and Directory Interface (JNDI) are some of the technologies that make up the J2EE platform. J2EE is used by large organizations for mission-critical applications. Many universities use it to teach students how to develop enterprise applications. The development process includes using tools such as Ant and Eclipse to design object-oriented applications but is more complicated than many other programming languages. When a company needs to deploy a new system quickly without incurring high start-up costs, J2EE can be a good choice because it provides an open architecture for interoperability with different databases, web servers, and operating systems. There's also no need to retrain staff to work with this software because they're already familiar with Java. The downside of this system is that because there are so many different components involved in creating this type of system - not just Java - there's more room for error during installation or upgrading than with other types of programs.

Platform for J2EE

Java Platform, Enterprise Edition (Java EE) is a set of specifications, extending Java SE with specifications for enterprise features such as distributed computing and web services. J2EE applications are deployed on servers and require a server runtime environment as well as a Java EE container.

In contrast, Java Standard Edition (Java SE) contains everything needed to develop stand-alone Java applications. While it can be used to develop web applications, there is no standard way to deploy them on a server. Consequently, most Java developers write web applications using frameworks such as Spring MVC or Play that run on top of a servlet container such as Apache Tomcat or Jetty. These web applications will work in any servlet container, not just the one they were designed for.

A typical application written in Java will consist of the following parts: an API that implements domain logic; a data access layer that handles retrieving and storing data from storage; an HTML user interface written in JavaScript; and unit tests that exercise all three layers.

Developers who prefer to use one language throughout their stack often choose between Java/J2EE or Ruby/Ruby on Rails.

Application of J2EE

J2EE is designed to simplify the development of large-scale, multi-tiered, reliable, and secure network applications. J2EE applications are component-based and use modular architecture. This allows developers to create reusable components that can be deployed on any J2EE-compliant application server. J2EE provides a complete set of services such as security, scalability, availability, and manageability that make it ideal for developing enterprise-level applications.

There are four main types of J2EE components: Web components, EJB components, application client components, and resource adapters. Web components are used to develop web pages and web applications. EJB components are used to develop business logic for enterprise applications.

Main Differences Between Java and J2EE in Points

  • Java is a programming language while J2EE is a platform.
  • Java can be used to create any type of application while J2EE is mainly used to create enterprise applications.
  • Java is platform independent while J2EE is not.
  • Java supports only single inheritance while J2EE supports multiple inheritances through interfaces.
  • Java uses a simple object model while J2EE uses a complex component-based model.
  • In Java, an application can have only one entry point (main() method) while in J2EE an application can have multiple entry points (servlets, JSP pages, etc.). 7. When using Java, the developer specifies which class implements the event handler interface; when using J2EE this is done automatically by the container at deployment time.
  • The three main differences between Java and J2EE are that Java is a programming language and has no special features for the development of large-scale enterprise applications, whereas J2EE provides just that - features needed to develop robust enterprise applications such as scalability and security that are typically required by companies with 500+ employees or more.

Conclusion

When it comes to Java development, there are two main options: Java and J2EE. Both have their pros and cons, so it's important to understand the difference before making a decision. Here's a quick rundown of the key differences between Java and J2EE that should help clarify which one would be best for your company.  

J2EE is more complicated than Java but provides more robust features that many companies require when developing applications. It also requires more expertise to install and configure because it relies on several components that need to work together for an application to function properly. The upside is that with all these pieces put together, J2EE offers an all-in-one solution with plenty of tools available including servlets, SQL databases, ORBs, and web servers – everything needed to build a successful application quickly.



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