title: How to to use Base64.java file in my code?
body: <p>I am trying this</p>
  
  <pre><code>import java.io.BufferedOutputStream;
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.net.HttpURLConnection;
  import java.net.URL;
  
  public class HttpBasicAuth {
  
  public static void downloadFileWithAuth(String urlStr, String user, String pass, String outFilePath) {
      try {
          // URL url = new URL ("http://ip:port/download_url");
          URL url = new URL(urlStr);
          String authStr = user + ":" + pass;
          String authEncoded = Base64.encodeBytes(authStr.getBytes());
  
          HttpURLConnection connection = (HttpURLConnection) url.openConnection();
          connection.setRequestMethod("GET");
          connection.setDoOutput(true);
          connection.setRequestProperty("Authorization", "Basic " + authEncoded);
  
          File file = new File(outFilePath);
          InputStream in = (InputStream) connection.getInputStream();
          OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
          for (int b; (b = in.read()) != -1;) {
              out.write(b);
          }
          out.close();
          in.close();
      }
      catch (Exception e) {
          e.printStackTrace();
      }
  }
  }
  </code></pre>
  
  <ol>
  <li>It works fine but gives an error " Cannot find symbol error Base64Encoder"</li>
  <li>Downloaded the Base64.java file</li>
  </ol>
  
  <p>Now I don't know how to use this file with my project to remove the error.
  can you tell me please the how to use the Base64.java file to remove the error?</p>
  
  <p>Thanks in anticipation.</p>