From bc0978dab4e697dfb59dcea3e960b596f2dd19d9 Mon Sep 17 00:00:00 2001 From: xuxin <840198532@qq.com> Date: Wed, 5 Aug 2026 11:20:55 +0800 Subject: [PATCH] =?UTF-8?q?s-day05-try..catch=E5=A4=84=E7=90=86=E5=A4=9A?= =?UTF-8?q?=E4=B8=AA=E5=BC=82=E5=B8=B8=EF=BC=88=E5=A4=9A=E5=BC=82=E5=B8=B8?= =?UTF-8?q?=E5=A4=84=E7=90=86=EF=BC=89?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../com/inmind/exceptions_catch04/Demo10.java | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 s-day05/src/com/inmind/exceptions_catch04/Demo10.java diff --git a/s-day05/src/com/inmind/exceptions_catch04/Demo10.java b/s-day05/src/com/inmind/exceptions_catch04/Demo10.java new file mode 100644 index 0000000..8080aa8 --- /dev/null +++ b/s-day05/src/com/inmind/exceptions_catch04/Demo10.java @@ -0,0 +1,40 @@ +package com.inmind.exceptions_catch04; + +/* + try..catch处理多个异常 + + 在实际开发中,一段业务代码,可能会出现多种不同的异常,所以我们要进行多异常处理 + + try...catch的语法: + try{ + 可能会出现异常的代码或者方法 + }catch(指定异常类名 变量名){ + 捕获异常后,异常处理代码 + }catch(指定异常类名 变量名){ + 捕获异常后,异常处理代码 + }catch(指定异常类名 变量名){ + 捕获异常后,异常处理代码 + }..... + + 注意:在实际开发中,具体的异常处理,都是要进行相关的业务操作,而不是固定操作,所以不能直接使用catch (Exception e) 统一处理 + */ +public class Demo10 { + public static void main(String[] args) { + try { + int i = 17; + if (i < 5) { + throw new NullPointerException("空指针异常"); + } + if (i > 10) { + throw new IllegalArgumentException("数组越界异常"); + } + } catch (NullPointerException e) { + System.out.println("处理空指针异常"); + } catch (ArrayIndexOutOfBoundsException e) { + System.out.println("处理数组越界异常"); + } catch (Exception e) { + System.out.println("托底处理,能处理所有异常!!!!!"); + } + System.out.println("程序结束"); + } +}