From 2a5254f96363614580a328d3cf9f47f1d8403b8f Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Tue, 17 Mar 2026 11:03:41 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=9B=E9=98=B6day08-File=E4=B8=AD=E7=9A=84?=
 =?UTF-8?q?=E5=88=9B=E5=BB=BA=E5=8A=9F=E8=83=BD?=
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---
 .../src/com/inmind/file01/FileDemo05.java     | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 javaSE-day08/src/com/inmind/file01/FileDemo05.java

diff --git a/javaSE-day08/src/com/inmind/file01/FileDemo05.java b/javaSE-day08/src/com/inmind/file01/FileDemo05.java
new file mode 100644
index 0000000..a157acd
--- /dev/null
+++ b/javaSE-day08/src/com/inmind/file01/FileDemo05.java
@@ -0,0 +1,30 @@
+package com.inmind.file01;
+
+import java.io.File;
+import java.io.IOException;
+
+/*
+    File中的创建功能
+    public boolean createNewFile() ：当且仅当具有该名称的文件尚不存在时，创建一个新的空文件。(重点)
+    public boolean mkdir() ：创建由此File表示的目录。
+    public boolean mkdirs() ：创建由此File表示的目录，包括任何必需但不存在的父目录。(重点)
+ */
+public class FileDemo05 {
+    public static void main(String[] args) throws IOException {
+        File file = new File("a.txt");
+        if (!file.exists()) {
+            file.createNewFile();
+        }
+
+        File file1 = new File("b.txt");
+        if (!file1.exists()) {
+            file1.mkdir();
+        }
+
+        File file2 = new File("b/a");
+        if (!file2.exists()) {
+            //如果想要将对应不存在的父路径（b文件夹）也一次性地创建出来，那么必须使用mkdirs方法
+            file2.mkdirs();
+        }
+    }
+}