java学习一门新的知识，不可能指望只看一本，或者两本书就能够完全掌握。需要有一个循序渐进的阅读过程。我推荐Oreilly出版的Java系列书籍-java to learn a new knowledge, can not be expected only看一本or two books will be able to fully grasp. The need for a step-by-step process of reading. I recommend Oreilly s Java series of books published