From 4ceb8a41649b42c2fd4a2e91f2323c26d2813634 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Wed, 4 Feb 2026 14:44:16 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=9B=E9=98=B6day05-Throwable(=E5=BC=82?=
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---
 .../inmind/exception05/ThrowableDemo10.java   | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 javaSE-day05/src/com/inmind/exception05/ThrowableDemo10.java

diff --git a/javaSE-day05/src/com/inmind/exception05/ThrowableDemo10.java b/javaSE-day05/src/com/inmind/exception05/ThrowableDemo10.java
new file mode 100644
index 0000000..fd02b25
--- /dev/null
+++ b/javaSE-day05/src/com/inmind/exception05/ThrowableDemo10.java
@@ -0,0 +1,38 @@
+package com.inmind.exception05;
+/*
+Throwable里面的三个方法
+    String getMessage() 返回此可抛出的简短描述。
+    String toString() 返回此throwable的详细消息字符串。
+    void printStackTrace() 将此throwable的错误信息直接打印在控制台(我们主动打印错误信息)
+ */
+public class ThrowableDemo10 {
+    public static void main(String[] args) throws InterruptedException {
+        try {
+            int[] arr = {1, 2, 3, 4, 5};
+            int result = getByIndex(arr, 6);
+            System.out.println(result);
+        } catch (ArrayIndexOutOfBoundsException e) {
+            //String getMessage() 返回此可抛出的简短描述
+            String message = e.getMessage();
+            //String toString() 返回此throwable的详细消息字符串
+            String msg = e.toString();
+            System.out.println(msg);
+            System.out.println(e);//打印的底层源码就是在调用e的toString
+            //void printStackTrace() 将此throwable的错误信息直接打印在控制台(我们主动打印错误信息)
+            e.printStackTrace();//注意：e.printStackTrace()主动打印错误信息操作，是直接在子线程中运行了，这里是多线程的
+            System.out.println("处理了索引越界异常");
+        }
+        System.out.println("程序结束");
+    }
+
+    private static int getByIndex(int[] arr, int index) {
+        //当传入的索引值不合法时，我们自己主动抛出一个异常，交给调用者处理
+        if (index < 0 || index > arr.length - 1) {
+            String msg = "您输入的索引不合法，当前数组的索引范围只能是0~"+(arr.length-1)+"，但是您输入的索引为"+index;
+            throw new ArrayIndexOutOfBoundsException(msg);
+        }
+
+        int result = arr[index];//JVM只会创建越界异常
+        return result;
+    }
+}