JAVA的课后作业题答案..
并且附带了调试结果和原码
原理是利用APPLET和事件响应-Java class operation that the answer .. and bundled debugging code results and the original principle is to use APPLE T and incident response
将txt文件装换为xml文件,在读取数据的时候是很方便,也非常有学习的价值-Txt files will be installed for the xml file, when reading the data is very convenient and very value of learning