包中给出了关于除零异常的程序，对JAVA的异常处理机制作了诠释并且付有测试程序，朋友们可以自己在JBUILDER上面运行然后产生.CLASS文件-Package is given on the exception of zero abnormal procedures, abnormal JAVA processor produced and interpretation of test procedures have to pay, and friends can then run in JB