What does spring framework do?

Spring framework is an open source lightweight Java development application framework used to simplify enterprise application development. Using Spring, you can: create and assemble dependencies between objects based on configuration files; implement logging, performance statistics, and security control without coupling; seamlessly integrate with third-party frameworks to facilitate database access, web layer construction, etc.

Spring Framework

Spring is an open source lightweight Java SE (Java Standard Edition) /Java EE (Java Enterprise Edition) is a development application framework designed to simplify enterprise application development. An application is composed of a set of cooperating objects.

What does Spring do?

(1) Spring can help us create and assemble dependencies between objects based on configuration files.

(2) Spring aspect-oriented programming can help us implement logging, performance statistics, and security control without coupling.

(3) How do we complete database transaction management in traditional applications? It requires a series of "get the connection, execute SQL, commit or rollback the transaction, close the connection", and also ensure that the connection must be closed at the end. What a terrible thing, and also very boring; if we use Spring, we only need to get the connection , execute SQL, and leave everything else to Spring to manage, it’s simple. Therefore, Spring can help us manage database transactions very simply.

(4) Spring also provides seamless integration with third-party data access frameworks (such as Hibernate, JPA), and also provides a set of JDBC access templates to facilitate database access.

(5) Spring also provides seamless integration with third-party Web (such as Struts, JSF) frameworks, and also provides a set of Spring MVC framework to facilitate the construction of the web layer.

(6) Spring can be easily integrated with Java EE (such as Java Mail, task scheduling) and more technologies (such as caching framework).

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