Knowledge of a Java engineer with two years of experience

1, to the JVM operation principle and the common configuration must have certain understanding.

2, familiar with the object-oriented design principles, master the common design patterns and application scenarios.

3, familiar with Oracle,mysql and other common database systems, with SQL statement performance tuning.

4, familiar with Unix/linux common operations, can be deployed independently of the configuration Nginx,tomcat and other common Web servers

5, familiar with the common Java technology framework, such as Spring,springmvc,mybatis and other frameworks, and http,restful interface technology; Learn about Ajax and apply

6, for the Java Basic technology system (including the JVM, class loading mechanism, multithreading concurrency, IO, network) has a certain degree of mastery and application experience

7, familiar with the underlying middleware, distributed technology (including caching, messaging systems, thermal deployment, JMX, etc.);

8, to the Java EE has a more profound understanding;

9, familiar with Maven, SVN, Jenkins and other software development management tools, master common online system fault and the location of the elimination of means;

10, for the Web front-end has a certain understanding,

11. Deep understanding of MVC;

12, familiar with the distributed, caching technology, concurrency control, master DUBBO,ZOOKEEPER,JMS;

13, familiar with shell command, familiar with Redis

14. The ability to master certain user needs analysis and program design