Spring: an overview

Spring: an overview
Written by Nilima PaulDecember 4, 2021
7 min read
Nilima Paul

Technology Security Analyst

This article explains to you the overview of Spring and its advantages and disadvantages.

About spring

Java comes over with a system that offers help for creating Java applications that we call Spring. It is a lightweight system that upholds distinctive Java structures, for example, sleep, Struts, and some more. Composed by Rod Johnson it was authorized in 2003 under Apache 2.0.

It is an open-source java stage empowering POJO-based programming models and augmentations for building web applications. Spring accompanies a few layers that have modules with it which helps in system support. Having spring assists engineers to construct an application with max throttle concentrating center over the practical and coherent prerequisites of an application.


Why to Learn Spring?

Spring is the most popular application development framework for enterprise Java. Millions of developers around the world use Spring Framework to create high-performing, easily testable, and reusable code.

Spring framework is an open-source Java platform. It was initially written by Rod Johnson and was first released under the Apache 2.0 license in June 2003.

Spring is lightweight when it comes to size and transparency. The basic version of Spring framework is around 2MB.

The core features of the Spring Framework can be used in developing any Java application, but there are extensions for building web applications on top of the Java EE platform. Spring framework targets to make J2EE development easier to use and promotes good programming practices by enabling a POJO-based programming model.

How Spring Works?

It comes with an IoC container that gets the information from the XML file and configures and assemble dependencies between the objects. Bean Factory and Application context are the two IoC container that does the required job.

Dependency Injection is used to loosely couple the code by removing the dependency of the program. We can use a Constructor or getter setter method to use the dependency Injection.

The Spring container gets the information about the objects with the help of XML files or the metadata files it has, it uses the POJO class and the application is executed with the final result ready to use.

Application of Spring Framework

Spring duty its lightweight and implanted functionalities are utilized for making complex java applications. We can utilize spring over the model where we need our business rationale to be isolated with specific worries like logging, security, and so forth

In the event that we have bunches of parts over our application and we really want to wrap up them together spring can be a shrewd decision for engineers. Indeed, even it comes out with bunches of formats that are very much coordinated and can be utilized for well working. model being JDBC layout utilized for association with JDBC drivers. It upholds exchanges and we can likewise keep up with the existence pattern of an application with the assistance of spring.

Advantages of Spring:

  1. It Solving the difficulties of Enterprise application development.

2. It Supports Enterprise application development through POJOs.

3. Easy integration of other frameworks.

4. Modularity

5. Application Testing

Disadvantages of Spring:

  1. Complex Framework
  2. It requires a lot of XM
  3. Lack of Guidelines
  4. Longer Configuration


Spring web services is a mainstream product. It builds on and uses the excellent features of the Spring framework. The use of application contexts, dependency injection, application wiring, etc. puts Spring software pretty much at the leading edge of modern software thinking.

Is Spring web services a technology for everyone? I think so. It's pretty straightforward to get up and running with the technology. I haven't discussed the underlying Java code in this article, but it's not hard to grasp. You can make small changes and then just re-run Maven followed by redeploying on Tomcat. Also, you don't have to use Tomcat; you can use BEA WebLogic or IBM WebSphere application servers.

Building your own web services does require a mental shift. You have to start thinking about things like XSD and schema files. But these are well documented and not too difficult to understand. As more and more companies embrace web services, you can stay ahead of the game by building your own and getting started with this interesting technology

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