From d43fee6f51cb17cb7981eb750ecdb61c13abb7cd Mon Sep 17 00:00:00 2001
From: danny <12793148@qq.com>
Date: Mon, 27 Mar 2023 15:53:31 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E6=8E=A5=E5=8F=A3=E7=9A=84?=
 =?UTF-8?q?=E4=B8=BB=E5=87=BD=E6=95=B0?=
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---
 03：类与对象/04.md | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/03：类与对象/04.md b/03：类与对象/04.md
index 7c446e0..8c06748 100644
--- a/03：类与对象/04.md
+++ b/03：类与对象/04.md
@@ -492,11 +492,13 @@ public class TestEdible {
 	public static void main(String[] args) {
 		Object[] objects = { new Tiger(), new Chicken(), new Apple() };
 		for (int i = 0; i < objects.length; i++) {
-			if (objects[i] instanceof Edible)
-				System.out.println(((Edible) objects[i]).howToEat());
-
+			if (objects[i] instanceof Edible) {
+				Edible e = (Edible) objects[i];
+				System.out.println(e.howToEat());
+			}
 			if (objects[i] instanceof Animal) {
-				System.out.println(((Animal) objects[i]).sound());
+				Animal a = (Animal) objects[i];
+				System.out.println(a.sound());
 			}
 		}
 	}