(The following is a 4-month JAVAEE course. Basically, many training courses are based on books. If you have strong self-learning ability, you can learn java by yourself without going to class Similar training needs cost 18000 ocean dollars. The following is the list of PDF e-books (if there is any similarity, it is a coincidence): Java Foundation and Object Oriented JDK Core API and JavaSESQL and Oracle JDBC and XMLHTML/CSS and Ajax JavaScript Core and Framework Servlet/JSPSpring Technology and MyBatisStruts2 and Hibernate Course 1/data/2218917)