diff --git a/day08/src/com/inmind/arrays03/Test14.java b/day08/src/com/inmind/arrays03/Test14.java
new file mode 100644
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+++ b/day08/src/com/inmind/arrays03/Test14.java
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+package com.inmind.arrays03;
+
+import java.util.Arrays;
+
+/*
+Arrays练习：字符串倒序排列
+将一个随机字符串中的所有字符升序排列，并倒序打印。
+在数学运算时，字符char----int
+ */
+public class Test14 {
+    public static void main(String[] args) {
+        String str = "woaijavaudkdhlf";
+        //1.将字符串转换成char[]
+        char[] chars = str.toCharArray();
+        System.out.println(Arrays.toString(chars));
+        //2.sort方法可以升序排序
+        Arrays.sort(chars);
+        System.out.println(Arrays.toString(chars));
+        //倒序打印
+        for (int i = chars.length - 1; i >= 0; i--) {
+            System.out.println(chars[i]);
+        }
+    }
+}