Java 删除文件

删除文件

要在 Java 中删除文件，请使用 delete() 方法:

实例

import java.io.File;  // 导入 File 文件类

public class DeleteFile {
  public static void main(String[] args) { 
    File myObj = new File("filename.txt"); 
    if (myObj.delete()) { 
      System.out.println("Deleted the file: " + myObj.getName());
    } else {
      System.out.println("Failed to delete the file.");
    } 
  } 
}

输出将是:

删除文件夹

您也可以删除文件夹。 但是，它必须为空:

实例

import java.io.File; 

public class DeleteFolder {
  public static void main(String[] args) { 
    File myObj = new File("C:\Users\MyName\Test"); 
    if (myObj.delete()) { 
      System.out.println("Deleted the folder: " + myObj.getName());
    } else {
      System.out.println("Failed to delete the folder.");
    } 
  } 
}

输出将是: