diff --git a/s-day10/src/com/inmind/buffered01/Demo04.java b/s-day10/src/com/inmind/buffered01/Demo04.java
new file mode 100644
index 0000000..c182de3
--- /dev/null
+++ b/s-day10/src/com/inmind/buffered01/Demo04.java
@@ -0,0 +1,49 @@
+package com.inmind.buffered01;
+
+import java.io.*;
+
+/*
+字符缓冲流中特有的功能
+    BufferedWriter: newLine 它能够进行多个系统之间的换行的兼容
+
+    BufferedReader: readLine 它能够将文件中的内容按一行文本来读取
+ */
+public class Demo04 {
+    public static void main(String[] args) throws Exception {
+        /*
+        字符缓冲输入流,一次读取一行文本
+        String readLine() 读一行文字。
+         */
+        BufferedReader br = new BufferedReader(new FileReader("source2.txt"));
+        /*String line = br.readLine();
+        System.out.println(line);
+
+        line = br.readLine();
+        System.out.println(line);
+
+        line = br.readLine();
+        System.out.println(line);
+
+        line = br.readLine();
+        System.out.println(line);*/
+        String line;//用来保存读取一行的文本
+        while ((line = br.readLine()) != null) {
+            System.out.println(line);
+        }
+
+        br.close();
+
+    }
+
+    //BufferedWriter: newLine 它能够进行多个系统之间的换行的兼容
+    public static void method(String[] args) throws Exception {
+        //使用字符缓冲输出流,输出我是谁我在哪我干嘛
+        BufferedWriter bw = new BufferedWriter(new FileWriter("source2.txt"));
+        bw.write("我是谁");
+        bw.newLine();
+        bw.write("我在哪");
+        bw.newLine();
+        bw.write("我在干嘛");
+        bw.close();//调用flush输出内容
+    }
+}