import java.net.HttpURLConnection;

import java.net.URL;

 

public class NetValible{

static String[] url = {"http://down.daw.so/daw/mhhy-yxd-0806.apk","http://down.daw.so/daw/mhhy-yxd-0806.ap"};

public static void main(String args[]) {

for(int i=1;i<url.length+1;i++){

System.out.println("第"+i+"个是："+isValid(url[i-1]));

}

}

public static boolean isValid(String strLink){

URL url;

try{

url = new URL(strLink);

HttpURLConnection connt = (HttpURLConnection) url.openConnection();

connt.setRequestMethod("HEAD");

String strMes = connt.getResponseMessage();

if(strMes.compareTo("Not Found")==0){

return false;

}

connt.disconnect();

}catch(Exception e){

return false;

}

return true;

}

}