Java Tutorials
Java String compareTo() Method: How to Use with Examples
What is compareTo() method in Java? compareTo() is used for comparing two strings...
Spring Framework is an open-source framework for building web applications with Java as a programming language. It is powerful and lightweight yet easy to use, and it provides support for developing Java applications easily. Spring is a lightweight framework which can be thought of as a framework of frameworks because it also offers support for various frameworks such as hibernate, struts, tapestry, and JSF.
In this Java Spring tutorial, you will learn:
Now in this Spring tutorial, we will cover some most prominent features of Spring Framework:
Now in this Spring Framework tutorial, we will cover some important landmarks form the history of Spring:
The Spring Framework Architecture provides 20 modules which can be used based on an application requirement.
The Core and Bean provide the fundamental part of the framework, including IoC and DI.
The Core Container is further divided by subcomponents like Core, Beans, Context, and Expression Language modules.
Let see each of these models in detail:
The Core module provides all the primary component of the spring framework. It includes IoC (Inversion of Control) and Dependency Injection features.
This module offers BeanFactory, which is a sophisticated implementation of the factory pattern.
The Context module builds on the solid base provided by the Core and Beans modules, and it is a medium which helps you to access any objects defined and configured.
Spring Expression Languages (SpEL):
This module offers expression language for modifying and querying object graph during the runtime.
The Data Access and Integration layer consist of the JDBC, ORM, JDBC, OXM, JMS, and Transaction modules.
Web: This module uses servlet listeners and a web-oriented application context. It also offers a feature of web-oriented integration and functionality for multi-part file upload.
Web-servlet: This module stores MVC based implementation for web applications.
Web-Socket: Module offers WebSocket based and two-way communication between the client and the server in web apps.
Web-Portlet: This module is also called Spring-MVC-Portlet module. It offers for Spring-based Portlets and copies all the functionality of a Web-Servlet module.
AOP: AOP language is a useful tool which allows developers to add enterprise functionality to the application.
Instrumentation: This module offers class instrumentation and loader implementations. It is used for specific application servers.
Test: This module provides support for testing of Spring components with TestNG or JUnit tools. It offers consistent loading of Spring ApplicationContexts and caching of those contexts.
Now in this Spring Framework tutorial, we will learn about Spring MVC framework:
The Spring web MVC framework offers model-view-controller architecture offers components which helps you to be flexible and loosely coupled web applications.
The MVC pattern allows you to separate different aspects of the application while offering loose coupling between these elements. Spring MVC also helps you to build flexible and loosely coupled web applications.
The MVC design also allows you to separate business logic, presentation logic, and navigation logic. It also offers an elegant solution to use MVC in Spring Framework with the help of DispatcherServlet.
Now in the Spring tutorial, we are going to learn how MVC works in Spring:
Aspect-oriented programming allows the global properties of a program to decide how it is compiled into an executable program.
The key unit of modularity is an aspect instead of a class. Aspect-Oriented programming breaks down the logic of the program into various parts known as concerns.
A cross-cutting concern may affect the entire application and is centralized in one location in code like transaction security, management, logging, authentication, etc.
It can also be considered as a dynamic decorator design pattern. This pattern also offers an additional behavior to be added to an existing class by wrapping the original class and duplicating its interface and removing the original.
Core AOP Concepts
There are seven core concepts in Aspect-Oriented Programming.
Let's discuss them in detail:
Aspects can be a typical class configured using Spring XML configuration or a regular class annotated using @Aspect annotation.
Now in this Java Spring tutorial, we will learn the step by step information to install Java Spring in your computer:
Step 1) Go to www.eclipse.org.
Step 2) Download Eclipse Neon installer and install it on your Windows system.
Step 3) Click on "Download 64-bit" button.
Step 4) Go to Eclipse IDE for Java Developers and click on "64-bit" link.
Step 5) Click on "Windows 64-bit" link.
Step 6) Click on the "Download" button to download the zip file.
Step 7) Extract the download zip to a specific folder.
Step 8) Click on the "Browse" button to select the workspace directory.
Step 9) Click on "Select Folder" to select a folder.
The process will be displayed as shown in the following screen.
Step 10) Opening Eclipse Marketplace Client.
Step 11) Searching and installing Spring plugin.
Step 12) Confirm selected features and click on "Confirm" button.
Step 13) Accepting terms and condition and installing the software.
A welcome screen will be displayed with software installation progress.
Step 14) Click on "Restart Now" button to restart Eclipse IDE and apply the changes.
The following screen will be displayed:
Here, are important pros/ benefits of using spring.
Here, are drawbacks/cons of Spring Framework.
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