从文件系统中删除特定的文件或目录

import java.io.*;

 /** 来自 时   代    Java - nowjava.com**/

public class Main {

 

  public static void main(String[] args) {

    File file = new File("C://Folder/DeleteDemo.txt");

   

     boolean blnDeleted = file.delete();

   

     System.out.println("Was file deleted ? : " + blnDeleted);

   

  }

}