我用下面的代码在java中限制一个文件的下载速度:packageorg;importjava.io.IOException;importjava.io.InputStream;importjava.net.HttpURLConnection;importjava.net.URL;classMainClass{publicstaticvoidmain(String[]args){download("https://speed.hetzner.de/100MB.bin");}publicstaticvoiddownload(Stringlink){try{URLurl=newURL(lin