test httpconnection java

HttpConnectionSample

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;

public class HttpConnectionSample
{
  public static void main(String[] args)
  {
    HttpURLConnection connection = null;
    try{

      URL url = new URL("http://www.scala-lang.org/");

      connection = (HttpURLConnection) url.openConnection();
      connection.setRequestMethod("GET");
      connection.setDoOutput(true);
      connection.setReadTimeout(1000);

      connection.connect();

      BufferedReader r = new BufferedReader(new InputStreamReader(connection.getInputStream()));
      StringBuilder sb = new StringBuilder();
      String line = null;
      while ( (line = r.readLine()) != null){
        sb.append(line+ '\n');
      }
      r.close();
      System.out.println(sb.toString());

    }catch (Exception e){
      System.out.println(String.format("Error is %s",e));
      e.printStackTrace();
    }
    finally{
      connection.disconnect();
      connection = null;
    }
  }
}