文件名称:8
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(1) 理解异常的使用和自定义异常类的方法。
(2) 理解throw和throws的区别和联系。
-(1) understand the use of abnormal and unusual type of custom method. (2) to understand the difference between throw and throws and contact.
(2) 理解throw和throws的区别和联系。
-(1) understand the use of abnormal and unusual type of custom method. (2) to understand the difference between throw and throws and contact.
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8.doc