What are the mainstream Java distributed frameworks at present? Is it difficult to learn them?

Spring mvc can simplify the development difficulty and make it easier for us to develop programs. So it is very important to learn spring Java well. The main frameworks of Java are: SpringMVC, Spring, Mybatis, Dubbo, Maven, RabbitMQ, Log4j, Ehcache, Redis, Shiro. However, we don't need to learn all ten, as long as we learn four or five of the more commonly used ones.

1.SpringMVC .Spring MVC is a lightweight Web framework based on Java, which realizes the request-driven Web MVC design pattern, mainly to help us simplify our daily Web development.

2. MyBatis. MyBatis is an excellent persistence framework, which supports ordinary SQL queries, stored procedures and advanced mapping;

3. Spring. Spring has won the favor of enterprises;

4. Marvin. More and more developers are using maven.

Extended data:

Java learning can be carried out according to the excellent employment java curriculum outline:

First, the JavaEE Foundation.

Java basic syntax, object-oriented, core class library, collection, exception, IO, thread, JDK new features.

Second, JavaWeb development.

Front-end technology, database, JAVA database operation, software server and server-related technology, dynamic webpage JSP, AJAX, excellent employment-online medical system.

Third, Java high-level framework.

SpringMVC，MyBatis，Spring，MySQL Advanced，Linux &； Redis & ampNginx, Maven and Zhonggong MIS Permission System

Fourth, the actual combat of large-scale micro-service distributed projects

SpringBoot, SpringCloud, Git, Dubbo, Zookeeper, AngularJS, Spring Security, BCrypt Encryption, FastDFS, Distributed Transaction Processing, Rediscoluster, Solr, SolrCloud, Freemarker, JMS, SMS sending platform, SSO solution, CORS, Snowflake of Twitter, SpringTask, Maven Profile, Introduction of MongoDB, MyCat, Docker, Jenkins, Dongyi Buying Large-scale E-commerce, Dongyi Crowdfunding.

Verb (abbreviation of verb) large-scale micro-service project actual combat.