Java读写远程文件并显示

import .*;
import .*;
import .*;

public class ReadURLFile{

	public static void main(String[] args) throws Exception{
		URL urlfile = new URL("http://192.168.16.34/xuys/index_.html");
		BufferedReader in = new BufferedReader(new InputStreamReader(()));
		
		String content="";
		
		String inputLine = ();
		while(inputLine!=null){
			content += inputLine;
			inputLine = ();
		}			
		(content);
		();	
	}
}