From d9772f835c79be34878836b73fd605c4a7b39f20 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Tue, 11 Aug 2026 09:41:51 +0800
Subject: [PATCH] =?UTF-8?q?s-day09-=E6=96=87=E4=BB=B6=E7=9A=84=E6=8D=A2?=
 =?UTF-8?q?=E8=A1=8C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 s-day09/src/com/inmind/io_out01/Demo05.java | 22 +++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 s-day09/src/com/inmind/io_out01/Demo05.java

diff --git a/s-day09/src/com/inmind/io_out01/Demo05.java b/s-day09/src/com/inmind/io_out01/Demo05.java
new file mode 100644
index 0000000..d68cbe1
--- /dev/null
+++ b/s-day09/src/com/inmind/io_out01/Demo05.java
@@ -0,0 +1,22 @@
+package com.inmind.io_out01;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/* 文件的换行：
+    Windows：\r\n
+    linux:\n
+    mac:\r
+
+注意：在同一次流操作中，不停地调用write方法，后面的数据是不会覆盖前面的数据的，之前是new了新流才会覆盖
+ */
+public class Demo05 {
+    public static void main(String[] args) throws IOException {
+        //字节输出流
+        FileOutputStream fos = new FileOutputStream("a.txt");
+//        fos.write("我是谁\r\n我在哪\r\n我在干嘛".getBytes());
+        fos.write(("我是谁"+System.lineSeparator()+"我在哪"+System.lineSeparator()+"我在干嘛!!!").getBytes());
+        fos.write(("我是谁"+System.lineSeparator()+"我在哪"+System.lineSeparator()+"我在干嘛!!!").getBytes());
+        fos.close();
+    }
+}