title: java String != null not working reading from bufferedReader
body: <p>In android I am getting the String value from BufferedReader and it is null after reading from file.</p>
  
  <pre><code>intstring = br.readLine();
  System.out.println(intstring);
  if(intstring != null)
  {
        System.out.println("Inside if condition");
        int istring = Integer.parseInt(intstring);
  }
  </code></pre>
  
  <p>My output is</p>
  
  <pre><code> null
   Inside if condition
   NumberFormatException
  </code></pre>
  
  <p>Help me please</p>