大学学习Java的时候做的一个作业，JAVA多线程和C++中的使用方法有所不同，花了很久才作出这个DEMO，不过，从此以后，就可以编写大规模JAVA程序了，希望是入门学习的一个好的参考。-Java University study of a time to do homework, JAVA and multi-threaded C++ the use of different flower for a long time before making this DEMO, however, since then, we can prepare a large-scale JAVA program, and hope that the study entry a good reference.