diff --git a/day05/src/com/inmind/array01/Demo08.java b/day05/src/com/inmind/array01/Demo08.java
new file mode 100644
index 0000000..d42c5ab
--- /dev/null
+++ b/day05/src/com/inmind/array01/Demo08.java
@@ -0,0 +1,22 @@
+package com.inmind.array01;
+/*
+基本类型与引用类型作为方法参数的区别_debug说明
+基本数据类型：保存具体的值，值传递
+引用数据类型：保存地址值，址传递
+
+ */
+public class Demo08 {
+    public static void main(String[] args) {
+        int a = 10;
+        int b = 20;
+        changValue(a,b);
+        System.out.println(a);//10
+        System.out.println(b);//20
+    }
+
+    //基本数据类型作为参数，保存具体的值，值传递
+    public static void changValue(int a,int b) {
+        a = a+a;
+        b = b+b;
+    }
+}
diff --git a/day05/src/com/inmind/array01/Demo09.java b/day05/src/com/inmind/array01/Demo09.java
new file mode 100644
index 0000000..d87a267
--- /dev/null
+++ b/day05/src/com/inmind/array01/Demo09.java
@@ -0,0 +1,16 @@
+package com.inmind.array01;
+
+public class Demo09 {
+    public static void main(String[] args) {
+        int[] arr = {10, 20};
+        changValue(arr);
+        System.out.println(arr[0]);//20
+        System.out.println(arr[1]);//40
+    }
+
+    //引用数据类型作为参数，保存具体的地址，址传递
+    public static void changValue(int[] arr) {
+        arr[0] = arr[0] + arr[0];
+        arr[1] = arr[1] + arr[1];
+    }
+}