From f93ea70d700c4beebea50f705b4a1ad4eda5a609 Mon Sep 17 00:00:00 2001
From: xiaoleeza <yongheng2520@sina.com>
Date: Fri, 30 Aug 2019 10:34:30 +0800
Subject: [PATCH] =?UTF-8?q?a[I]=20=E6=94=B9=E4=B8=BA=20a[i]?=
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---
 docs/notes/20. 接口优于抽象类.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/notes/20. 接口优于抽象类.md b/docs/notes/20. 接口优于抽象类.md
index daebfab..afb63f2 100644
--- a/docs/notes/20. 接口优于抽象类.md	
+++ b/docs/notes/20. 接口优于抽象类.md	
@@ -53,7 +53,7 @@ static List<Integer> intArrayAsList(int[] a) {
 
         @Override 
         public Integer set(int i, Integer val) {
-            int oldVal = a[I];
+            int oldVal = a[i];
             a[i] = val;     // Auto-unboxing
             return oldVal;  // Autoboxing
         }