Java 重命名文件renameTo1

import java.io.File;

public class RenameFileExample {
   public static void main(String[] args) {
      File oldfile = new File("C:/oldfile_name.txt");
      File newfile = new File("C:/newfile_name.txt");

      if(oldfile.renameTo(newfile)) {
         System.out.println("File name changed succesful");
      } else {
         System.out.println("Rename failed");
      }
   }
}