java how to learn it

这篇文档很好的说明的Java内存的管理原理，为我们学习Java很有帮助。-This document very good descr iption of the Java memory management theory, very helpful for us to learn Java.

让你学习数据库和java构建的管理系统，学习设计软件-For you to learn java build the database and management system, learning design software

Design Patterns in Java Tutorial Design patterns represent the best practices used by experienced object-oriented software developers. Design patterns are solutions to general problems that software developers faced during software development. The