diff --git a/s-day10/src/com/inmind/object_stream03/Demo09.java b/s-day10/src/com/inmind/object_stream03/Demo09.java
new file mode 100644
index 0000000..e7768d0
--- /dev/null
+++ b/s-day10/src/com/inmind/object_stream03/Demo09.java
@@ -0,0 +1,26 @@
+package com.inmind.object_stream03;
+
+import java.io.FileOutputStream;
+import java.io.ObjectOutputStream;
+
+/*
+序列化流保存对象(ObjectOutputStream)
+构造方法：
+     ObjectOutputStream(OutputStream out) 创建一个写入指定的OutputStream的ObjectOutputStream。
+
+ 常用方法：
+    void writeObject(Object obj) 将指定的对象写入ObjectOutputStream。
+
+
+ */
+public class Demo09 {
+    public static void main(String[] args) throws Exception {
+        Student student = new Student("张三", 18);
+        //获取序列化流对象，写出对象（将对象保存到文件中）
+        FileOutputStream fos = new FileOutputStream("student.txt");
+        ObjectOutputStream oos = new ObjectOutputStream(fos);
+        //注意：如果要序列化对象，对应的类，必须支持序列化操作，也就是实现Serializable，类似一个标记的功能，表示可以序列化
+        oos.writeObject(student);
+        oos.close();
+    }
+}
diff --git a/s-day10/src/com/inmind/object_stream03/Student.java b/s-day10/src/com/inmind/object_stream03/Student.java
new file mode 100644
index 0000000..6c0ae06
--- /dev/null
+++ b/s-day10/src/com/inmind/object_stream03/Student.java
@@ -0,0 +1,21 @@
+package com.inmind.object_stream03;
+
+import java.io.Serializable;
+
+public class Student implements Serializable {
+    String name;
+    int age;
+
+    @Override
+    public String toString() {
+        return "Student{" +
+                "name='" + name + '\'' +
+                ", age=" + age +
+                '}';
+    }
+
+    public Student(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+}