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Title: Java 异常体系与异常处理 | 人人都懂物联网

Open Graph Title: Java 异常体系与异常处理 | 人人都懂物联网

Description: 异常处理是 Java 程序健壮性的重要保障。理解异常体系和处理机制是编写可靠程序的基础。本章将详细介绍 Java 中的异常处理。

Open Graph Description: 异常处理是 Java 程序健壮性的重要保障。理解异常体系和处理机制是编写可靠程序的基础。本章将详细介绍 Java 中的异常处理。

Opengraph URL: https://getiot.tech/java/java-exceptions/

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第四部分：异常与常用类库https://getiot.tech/java/java-exceptions/
Java 异常体系https://getiot.tech/java/java-exceptions/
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​https://getiot.tech/java/java-exceptions/#异常概念检查型异常-vs-非检查型异常
​https://getiot.tech/java/java-exceptions/#什么是异常
​https://getiot.tech/java/java-exceptions/#异常的分类
​https://getiot.tech/java/java-exceptions/#异常类层次结构
​https://getiot.tech/java/java-exceptions/#检查型异常
​https://getiot.tech/java/java-exceptions/#非检查型异常
​https://getiot.tech/java/java-exceptions/#try-catch-finally-语句结构
​https://getiot.tech/java/java-exceptions/#基本语法
​https://getiot.tech/java/java-exceptions/#try-catch
​https://getiot.tech/java/java-exceptions/#finally-块
​https://getiot.tech/java/java-exceptions/#多个-catch-捕获
​https://getiot.tech/java/java-exceptions/#捕获多个异常
​https://getiot.tech/java/java-exceptions/#捕获顺序
​https://getiot.tech/java/java-exceptions/#多异常捕获java-7
​https://getiot.tech/java/java-exceptions/#throw-与-throws-关键字
​https://getiot.tech/java/java-exceptions/#throw
​https://getiot.tech/java/java-exceptions/#throws
​https://getiot.tech/java/java-exceptions/#throw-vs-throws
​https://getiot.tech/java/java-exceptions/#自定义异常类
​https://getiot.tech/java/java-exceptions/#创建自定义异常
​https://getiot.tech/java/java-exceptions/#使用自定义异常
​https://getiot.tech/java/java-exceptions/#异常链
​https://getiot.tech/java/java-exceptions/#异常处理最佳实践
​https://getiot.tech/java/java-exceptions/#1-具体异常类型
​https://getiot.tech/java/java-exceptions/#2-不要忽略异常
​https://getiot.tech/java/java-exceptions/#3-使用-try-with-resources
​https://getiot.tech/java/java-exceptions/#4-异常信息要清晰
​https://getiot.tech/java/java-exceptions/#实际示例
​https://getiot.tech/java/java-exceptions/#示例-1完整的异常处理
​https://getiot.tech/java/java-exceptions/#示例-2自定义异常
​https://getiot.tech/java/java-exceptions/#示例-3异常链
​https://getiot.tech/java/java-exceptions/#小结
上一页Java 注解https://getiot.tech/java/java-annotation/
下一页Java 常用工具类https://getiot.tech/java/java-utils/
异常概念（检查型异常 vs 非检查型异常）https://getiot.tech/java/java-exceptions/#异常概念检查型异常-vs-非检查型异常
什么是异常https://getiot.tech/java/java-exceptions/#什么是异常
异常的分类https://getiot.tech/java/java-exceptions/#异常的分类
异常类层次结构https://getiot.tech/java/java-exceptions/#异常类层次结构
检查型异常https://getiot.tech/java/java-exceptions/#检查型异常
非检查型异常https://getiot.tech/java/java-exceptions/#非检查型异常
try-catch-finally 语句结构https://getiot.tech/java/java-exceptions/#try-catch-finally-语句结构
基本语法https://getiot.tech/java/java-exceptions/#基本语法
try-catchhttps://getiot.tech/java/java-exceptions/#try-catch
finally 块https://getiot.tech/java/java-exceptions/#finally-块
多个 catch 捕获https://getiot.tech/java/java-exceptions/#多个-catch-捕获
捕获多个异常https://getiot.tech/java/java-exceptions/#捕获多个异常
捕获顺序https://getiot.tech/java/java-exceptions/#捕获顺序
多异常捕获（Java 7+）https://getiot.tech/java/java-exceptions/#多异常捕获java-7
throw 与 throws 关键字https://getiot.tech/java/java-exceptions/#throw-与-throws-关键字
自定义异常类https://getiot.tech/java/java-exceptions/#自定义异常类
创建自定义异常https://getiot.tech/java/java-exceptions/#创建自定义异常
使用自定义异常https://getiot.tech/java/java-exceptions/#使用自定义异常
异常链https://getiot.tech/java/java-exceptions/#异常链
异常处理最佳实践https://getiot.tech/java/java-exceptions/#异常处理最佳实践
1. 具体异常类型https://getiot.tech/java/java-exceptions/#1-具体异常类型
2. 不要忽略异常https://getiot.tech/java/java-exceptions/#2-不要忽略异常
3. 使用 try-with-resourceshttps://getiot.tech/java/java-exceptions/#3-使用-try-with-resources
4. 异常信息要清晰https://getiot.tech/java/java-exceptions/#4-异常信息要清晰
实际示例https://getiot.tech/java/java-exceptions/#实际示例
示例 1：完整的异常处理https://getiot.tech/java/java-exceptions/#示例-1完整的异常处理
示例 2：自定义异常https://getiot.tech/java/java-exceptions/#示例-2自定义异常
示例 3：异常链https://getiot.tech/java/java-exceptions/#示例-3异常链
小结https://getiot.tech/java/java-exceptions/#小结
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