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Determine whether the file exists java

angryTom
angryTomOriginal
2019-11-09 17:19:104858browse

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");
      }
}

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