Java学习笔记 第四章 异常

JAVA学习笔记第四章

4.异常

异常：Exception程序运行的时候出现不正常的现象，阻止程序的运行

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很难堵住所有的漏洞

4.1try-catch

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4.2finally

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4.3

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4.3多重catch

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4.4异常层次分类

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检查异常：

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4.5throw和throws

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4.6重载和重写异常

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4.7自定义异常

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![image-20210518143044316](../Library/Application Support/typora-user-images/image-20210518143044316.png)

posted @ 2021-05-20 11:49  wrrr  阅读(42)  评论(0)  编辑  收藏  举报