W3School TIY Editor

import java.io.File; import java.io.IOException; public class CreateFileDir { public static void main(String[] args) { try { File myObj = new File("C:\\Users\\MyName\\filename.txt"); if (myObj.createNewFile()) { System.out.println("文件创建成功: " + myObj.getName()); System.out.println("绝对路径: " + myObj.getAbsolutePath()); } else { System.out.println("文件已存在"); } } catch (IOException e) { System.out.println("发生错误"); e.printStackTrace(); } } }