Spring framework is the most famous non-Java EE framework for creating enterprise grade applications. This framework caters to dependency injection, aspect oriented programming and web services to name a few. You can browse through the following tutorials for more information on each topic.

spring

Dependency Injection

Create sample Spring project using Maven
How to configure a Spring project in Eclipse using Maven plugin. Add Spring Eclipse project automatically. Download maven redeposition dependencies.

How to collect a list of all bean instances in Spring IoC
Store a list of bean instances in a collection like ArrayList for future reference. Add objects of a Spring bean in a List using ApplicationContext.

Understanding Bean Scopes in Spring
Various bean scopes in Java explained with the help of example code. When to use which bean scope in a Spring based application.

Spring dependency injection types
Various methods in which dependencies can be injected using the Spring framework. Setter, Constructor and Interface injection using Spring.

How to modularize Spring application
Modularize Spring application by using multiple Spring configuration files. Load beans from multiple modules and use them in your Java application.

What are alternatives of applicationContext in Spring DI
The use of ApplicationContext.getBean can cause issues in Spring based application. There are ways in which it can be avoided in web and standalone application.

MVC

How to use tiles plugin with Spring MVC
The famous tiles plugin which was used for Struts can be configured with Spring MVC too.Example code for configuring tiles plugin with Spring application.

Authentication using OpenID in Spring web application
OpenID is a standard protocol followed by many services on the internet including yahoo, google and livejournal. Use OpenID services to authenticate users.

AOP

How to enable logging for specific Spring modules
Steps to configure log4j logging for various spring modules including core, security and aop etc. Debug level logging for troubleshooting purpose.

Web Services

Spring REST web service tutorial
A sample tutorial with project structure for Spring based REST web services. Sample with easy explanation of the code for HTTP methods and RESTful operations.

How to perform HTTP basic authentication with web services
Add Basic HTTP spring security to RESTful web services by adding security module. Automatic login prompt for HTTP clients for web service.

Handing errors in Spring REST web services
How to perform error and exception handling in RESTful web services using Spring web MVC controller. REST web service ExceptionHandler implementation code.