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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