45 lines
1.4 KiB
Markdown
45 lines
1.4 KiB
Markdown
# 异常
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分为Error 和 Exception
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其中Exception中 又分为两类，如图中所示
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<img src="https://gitee.com/icecat2233/picture/raw/master/20250414182933522.png" alt="image-20250414182932233" style="zoom: 33%;" />
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其中两种错误的表现形式有下列
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<img src="https://gitee.com/icecat2233/picture/raw/master/20250414182755030.png" alt="image-20250414182746446" style="zoom: 67%;" />
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# 异常的两种处理方式
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1. **try...catch...捕获异常**
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<img src="https://gitee.com/icecat2233/picture/raw/master/20250416155305609.png" alt="image-20250416155256665" style="zoom: 50%;" />
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2. **throws抛出异常**
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<img src="https://gitee.com/icecat2233/picture/raw/master/20250416155817373.png" alt="image-20250416155816351" style="zoom:50%;" />
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## 两种方式怎么选择：
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思路：这个问题是否需要暴漏出来？
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需要暴漏，用throws
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不需要暴漏，用try catch
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## throws和throw的区别
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<img src="https://gitee.com/icecat2233/picture/raw/master/20250416155752416.png" alt="image-20250416155750720" style="zoom:50%;" />
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# 自定义异常
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<img src="https://gitee.com/icecat2233/picture/raw/master/20250416163826822.png" alt="image-20250416163824387" style="zoom:50%;" />
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# 异常中的细节
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<img src="https://gitee.com/icecat2233/picture/raw/master/20250416164540545.png" alt="image-20250416164538085" style="zoom:50%;" />
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