java 文件（夾）創建刪除

import java.io.*;
import java.io.IOException;

public class DirTest {
    public static void main(String args[]) throws IOException {
        String dirname = "dirtest";
        File d = new File(dirname);
        // 現在創建目錄
        d.mkdirs();
        d.delete();

        File file = new File("qqwqwwq");
        file.createNewFile();
        file.mkdirs();
        file.delete();
    }

}