What are the three mainstream frameworks of Java?

The three mainstream frameworks of java refer to: SSH, namely: Spring, Struts, and Hibernate.

Spring:

Spring is an open source, lightweight java framework; it was created to solve the complexity of enterprise application development. One of the main advantages of the framework is its layered architecture, which allows you to choose which components to use while providing an integrated framework for J2EE application development.

Spring is a powerful framework that solves many common problems in J2EE development. Spring provides the only data access abstraction, including a simple and efficient JDBC framework, greatly improving efficiency and reducing possible errors. Spring's data access architecture also integrates Hibernate and other O/R mapping solutions. Spring also provides the only transaction management abstraction that can be used across a variety of underlying transaction management technologies.

Struts:

Struts integrates Servlets, JSPs, custom tags and message resources into a unified framework that developers can use to develop You no longer need to code yourself to implement a full set of MVC patterns, which greatly saves time, so it is a well-known and powerful MVC architecture.

Hibernate:

HIbernate is an excellent persistence framework that is responsible for simplifying saving object data to the database or from The work of reading data from the database and encapsulating it into objects.

HIbernate is a powerful ORM tool that can easily convert database records into Java entity instances, and then easily save the Java entity instances into the database. If you do not need a very complex database Access, you don't need to know the details of the database at all.

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