From 58fb8dc8c080bf6dbdb9ef3fb7e9890c40f01aeb Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sat, 17 Jan 2026 15:05:53 +0800
Subject: [PATCH] =?UTF-8?q?day05-=E5=9F=BA=E6=9C=AC=E7=B1=BB=E5=9E=8B?=
 =?UTF-8?q?=E4=B8=8E=E5=BC=95=E7=94=A8=E7=B1=BB=E5=9E=8B=E4=BD=9C=E4=B8=BA?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95=E5=8F=82=E6=95=B0=E7=9A=84=E5=8C=BA=E5=88=AB?=
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---
 day05/src/com/inmind/array01/Demo11.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 day05/src/com/inmind/array01/Demo11.java

diff --git a/day05/src/com/inmind/array01/Demo11.java b/day05/src/com/inmind/array01/Demo11.java
new file mode 100644
index 0000000..30f0f26
--- /dev/null
+++ b/day05/src/com/inmind/array01/Demo11.java
@@ -0,0 +1,18 @@
+package com.inmind.array01;
+/*
+引用类型作为方法参数
+ */
+public class Demo11 {
+    public static void main(String[] args) {
+        //定义一个数组
+        int[] arr = {10,20};
+        changeValue(arr);//引用数据类型传递的是地址
+        System.out.println(arr[0]);//20
+        System.out.println(arr[1]);//40
+    }
+
+    private static void changeValue(int[] arr) {
+        arr[0] = arr[0] + arr[0];
+        arr[1] = arr[1] + arr[1];
+    }
+}