From 70899762d90a08df799062cbbdba800eee736b2c Mon Sep 17 00:00:00 2001 From: xuxin <840198532@qq.com> Date: Sat, 17 Jan 2026 10:16:20 +0800 Subject: [PATCH] =?UTF-8?q?day05-=E6=95=B0=E7=BB=84=E7=9A=84=E5=BC=82?= =?UTF-8?q?=E5=B8=B8=5F=E7=B4=A2=E5=BC=95=E8=B6=8A=E7=95=8C=E5=BC=82?= =?UTF-8?q?=E5=B8=B8?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- day05/src/com/inmind/array01/Demo03.java | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 day05/src/com/inmind/array01/Demo03.java diff --git a/day05/src/com/inmind/array01/Demo03.java b/day05/src/com/inmind/array01/Demo03.java new file mode 100644 index 0000000..d05fab0 --- /dev/null +++ b/day05/src/com/inmind/array01/Demo03.java @@ -0,0 +1,20 @@ +package com.inmind.array01; +/* + 数组的异常_角标越界异常 + ArrayIndexOutOfBoundsException: + 数组 索引 越界 异常 + + 注意:数组中长度是固定的,数组的最大索引值,数组长度-1,数组.length - 1就是最大门牌号, + 0-数组.length - 1的门牌才能正确操作数组,否则ArrayIndexOutOfBoundsException + */ +public class Demo03 { + public static void main(String[] args) { + double[] arr = new double[3]; + System.out.println(arr);//地址 + System.out.println(arr[0]);//0.0 + System.out.println(arr[1]); + System.out.println(arr[2]); + System.out.println(arr[3]); + System.out.println(arr[4]); + } +}