From 572c6ddedd41358d6484c79cb566128e96757b65 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Tue, 11 Aug 2026 13:53:42 +0800
Subject: [PATCH] =?UTF-8?q?s-day09-JDK7=E4=B9=8B=E5=89=8DIO=E5=BC=82?=
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---
 .../src/com/inmind/io_exception05/Demo13.java | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 s-day09/src/com/inmind/io_exception05/Demo13.java

diff --git a/s-day09/src/com/inmind/io_exception05/Demo13.java b/s-day09/src/com/inmind/io_exception05/Demo13.java
new file mode 100644
index 0000000..1fb7db9
--- /dev/null
+++ b/s-day09/src/com/inmind/io_exception05/Demo13.java
@@ -0,0 +1,49 @@
+package com.inmind.io_exception05;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/*
+JDK7之前IO异常的处理方式(重点)
+ */
+public class Demo13 {
+    public static void main(String[] args)  {
+        FileInputStream fis = null;
+        FileOutputStream fos = null;
+        try {
+            //文件复制（边读边写）
+            fis = new FileInputStream("3.jpg");
+            fos = new FileOutputStream("4.jpg");
+
+            byte[] bytes = new byte[1024];
+            int len;
+
+            while ((len = fis.read(bytes)) != -1) {
+                fos.write(bytes, 0, len);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }finally {
+            //资源的释放
+            if (fis != null) {
+                try {
+                    fis.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+                fis = null;//避免内存泄漏
+            }
+
+            if (fos != null) {
+                try {
+                    fos.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+                fos = null;
+            }
+
+        }
+    }
+}