说明：  这是一个全面的阐述JAVA学习的课件，它是我们的老师的心血，它是和清华出版的JAVA基础篇所对应。一切都非常的经典。
(This is a comprehensive exposition of Java learning courseware, it is that our teachers have done, and it is published by Tsinghua Java corresponding to Basics. All very classic.)