From 79ba862cfe9ad6dcfcf09d02b4c897aa78bbd7e5 Mon Sep 17 00:00:00 2001 From: xuxin <840198532@qq.com> Date: Fri, 16 Oct 2026 13:58:41 +0800 Subject: [PATCH] =?UTF-8?q?s-day05--=E8=BF=90=E8=A1=8C=E6=97=B6=E5=BC=82?= =?UTF-8?q?=E5=B8=B8=E5=92=8C=E7=BC=96=E8=AF=91=E6=97=B6=E5=BC=82=E5=B8=B8?= =?UTF-8?q?=E7=9A=84=E5=8C=BA=E5=88=AB?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../src/com/inmind/exception01/Demo08.java | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 s-day05/src/com/inmind/exception01/Demo08.java diff --git a/s-day05/src/com/inmind/exception01/Demo08.java b/s-day05/src/com/inmind/exception01/Demo08.java new file mode 100644 index 0000000..d5be60b --- /dev/null +++ b/s-day05/src/com/inmind/exception01/Demo08.java @@ -0,0 +1,36 @@ +package com.inmind.exception01; + +import java.io.FileOutputStream; + +/* +运行时异常和编译时异常的区别 +运行时异常:属于非检查型异常,无需强制处理,可以通过优化代码逻辑,避免异常。 +编译时异常:属于检查型异常,在编写阶段,可能出现语法问题必须处理,需要程序员预见并处理可能的异常情况,可以通过try-catch或throws处理 + +总结:编写代码时,编译时异常必须处理,而运行时异常,可以选择性地处理 + +一个方法中的异常可以有2种处理方式: + 1.throws 声明出去 + 2.try-catch 自己处理 +在main方法顶层,真正能处理掉异常的只有try-catch + */ +public class Demo08 { + public static void main(String[] args) { + try { + method1(); + } catch (RuntimeException e) { + System.out.println("处理了一个运行时异常"); + } + } + + private static void method1() { + try { + System.out.println("代码1"); + System.out.println("代码2"); + System.out.println("代码3"); + throw new Exception("我是一个编译时异常"); + } catch (Exception e) { + throw new RuntimeException(e); + } + } +}