Java HTML / XML How to - Retrieve value from url

Question

We would like to know how to retrieve value from url.

Answer

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
/*from   w  w  w .j  a v  a  2  s . c o m*/
public class Main {
  public static void main(String... args) throws IOException {
    URL url = new URL("http://java2s.com");
    InputStream is = url.openStream();
    BufferedReader br = new BufferedReader(new InputStreamReader(is));
    StringBuffer sb = new StringBuffer();

    String line;

    while ((line = br.readLine()) != null)
      sb.append(line + System.lineSeparator());

    br.close();

    System.out.print(sb.toString());
  }
}

The code above generates the following result.