Java direction. . .

1. Java SE part

1. Java basics: basic syntax; object-oriented (key); collection framework (key); common class library API;

2. java interface programming ：AWT; event mechanism; Swing;

3. Advanced knowledge of java: Annotation; IO and NIO, AIO; multi-threading, thread pool; blocking, non-blocking, asynchronous network communication; reflection, dynamic proxy;

2. JDBC Programming

4. SQL basics: basic SQL statements; basic queries; multi-table queries; subqueries; intersection, union, and difference operations of result sets;

5 , JDBC basics: common database usage; JDBC operations on common databases; RowSet and offline result sets; database connection pools; transaction management, batch processing;

6. JDBC advanced: stored procedures, functions; triggers; understanding Shortcomings of JCBC; Master the advantages and design of ORM tools;

3. DHTML programming

7. HTML basics: basic HTML tags; common form tags; DIV+CSS layout;

8. JavaScript knowledge: JavaScript basic grammar; JavaScript basic object features; JSON grammar; deep understanding of the dynamic characteristics of javascript;

## 9, DOM and event mechanisms: DOM operation, programming; User interaction skills;

IV. XML programming

10. XML basics: XML basic rules; DTD and SCheme; XML and style sheets;

11. XML advanced: DOM, SAX and JAXP; dom4j, JDOM and other tools; XQuery and XQJ; XML-based data exchange; Integrate Spring;

5. Java Web Programming

13. Web programming basics: Tomcat server; Jsp syntax, EL, built-in objects; Servlet API; Servlet 3.0 annotations; Listener and Filter;

                                                                                                        Custom tag library; MVC, DAO, Servlet, the role of tags;      Usage of common tag libraries such as JSTL, DisplayTag             

##                                                             . , architecture; Http protocol; have a deep understanding of Jsp operating principles; master the thread pool, socket communication, and command mode of calling Servlet at the bottom of the Web container;

6. Ajax programming:

16. Ajax programming : XML HttpRequest and asynchronous requests; sending requests and processing responses; usage of common Ajax libraries (Prototype, Jquery, ExtJs, DWR); in-depth study of the design of ajax libraries combined with Http protocol and asynchronous requests;

7. Android development

17. Android basics: Android development and debugging environment; Android application structure; interface components and interface programming; resource management; four major components;

18. Android intermediate: file IO and SQLite; graphics , images and animation; audio and video recording and playback; sensor programming; GPS application;

19. Android advanced: network programming and Web Service; OpenGL_ES 3D development; integrating Google services; using NDK development; java and c mutual debugging, various integration frameworks; cloud services;

8. Lightweight Java EE

20. Struts2: MVC and struts system; Action and Result; internationalization and tag library ; File upload and download; type conversion and input verification; interceptor and plug-in development;

21. Hibernate: ORM and persistence mapping; relational mapping, inheritance mapping; lazy loading, performance tuning; HQL query, Conditional query, SQL query; second-level cache and query cache;

22. Spring: IoC and Bean configuration and management; Bean life cycle; SP, EL; AOP and transaction permission control; S2SH integrated development; Spring integration Jpa;

9. Classic Java EE

23. JSF: MVC and JSF design concepts; managed beans and navigation model; JSF process and event mechanism; JSF tag library; Type conversion and input verification;

24. EJB and related technologies: JNPI and RMI; Session Bean and its life cycle; IoC and EJB interceptor; JMS and MDB; Session Bean and Web Service;

        25. JPA: ORM framework and JPA specifications; JPA annotations and common APIs; JTA transactions and transaction management; JPQL query; EJB, JPA integration;

10. Java expansion and advancement:

26. Java EE practice and architecture: Ant+Ivy or Maven; SVN, CVS; deep understanding of more than 10 design patterns; master various Java EE architectures and their respective advantages;

27. Workflow: Workflow Specifications and functions; workflow frameworks such as JBPM; multiple refactorings and repeated thinking; large-scale project experience; , AspectJ and other framework principles, and can develop similar tools; master the framework principles of Hibernate, iBatis and other frameworks, and can develop similar tools; in-depth study of the EJB mechanism, and a general understanding of the implementation of application servers;

The above is the direction of Java. . . For more related content, please pay attention to the PHP Chinese website (www.php.cn)!