diff --git a/day05/src/com/inmind/Demo01_array.java b/day05/src/com/inmind/Demo01_array.java
index f0c0928..0cdb8b5 100644
--- a/day05/src/com/inmind/Demo01_array.java
+++ b/day05/src/com/inmind/Demo01_array.java
@@ -39,6 +39,21 @@ public class Demo01_array {
 
         //3.数组的定义格式三：（数组的静态初始化简写形式）
         //创建一个String类型的数组，具体的值分别，java,c,python,html,css
+        String[] array2 = {"java","c","python","html","css"};
 
+        //注意：数组的定义格式三，只能在定义数组的时候直接赋值，当数组创建完毕后就不能直接赋值了
+
+        //获取数组的长度
+        System.out.println(array.length);
+        System.out.println(array1.length);
+        System.out.println(array2.length);
+
+        //获取array2中的具体的值
+        String str = array2[0];
+        System.out.println(str);
+
+        //修改array2中的java的值为JS
+        array2[0] = "JS";
+        System.out.println(array2[0]);
     }
 }