Spring Framework

More about Spring https://www.baeldung.com/spring-tutorial

Why Use Spring

• Free to define application Architecture
• Helpfull with dev and test
• LightWeight container = class don't need interfaced to be loaded

Provide

• Web Applications
• RESTful services
• Secure your web applications
• Communicating with databases
• Handling long running jobs
• Handle external resources or systems you have to work with.
• Testing purposes
• Standalone java projects
• Convert your application into an executable
• Integrate Social Media into your applications
• Quick prototype
• To get Started

Technical

• Loose Coupling - {@Component class > private param interface @Autowired} + {Interface > public param} + {Child class Implement}
• Dependency Injection = instanciate Beans and wire dependancies = Spring do it automatically because of the annotation @Autowired
• Better Unit Test

Spring Modules

Makes the code easy to write

• JDBC
• MVC
• AOP
• ORM
• JMS
• Test

Very good at integrating other Frameworks

• Hibernate (ORM)
• iBatis (Object Mapping)
• Junit & Mockit (Test)

More

• Let programmer focus on business logic
• key feature is dependency management
• enables testability
• inversion of control
• application context (bean factory)