TJ4运行环境

http://springwq2011.blog.51cto.com/4332889/966028

http://blog.csdn.net/u013573789/article/details/45287941

书籍源码官网指导：
http://www.mindviewinc.com/TIJ4/CodeInstructions.html

课后习题源码：
http://greggordon.org/java/tij4/solutions.htm