Home > Java > Javagetting Started > Determine whether the file exists java

Determine whether the file exists java

angryTom
Release: 2019-11-09 17:19:10
Original
4888 people have browsed it

Determine whether the file exists java

判断文件是否存在 java

java中判断文件是否存在的方法步骤:

1、new一个文件对象

2、使用文件对象的方法exists进行判断即可。

代码如下:

public static void main(String[] args) {
      File file = new File("G:\\Jeff.txt");
      // 判断文件是否存在
      if (file.exists()) {
         System.out.println("文件已存在");
      } else {
         System.out.println("文件不存在");
      }
}
Copy after login

推荐学习:java教程

The above is the detailed content of Determine whether the file exists java. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template