title: The operator == is undefined for the argument type(s)
body: <p>having an issue checking null element in String array. </p>
  
  <blockquote>
    <p>The operator == is undefined for the argument type(s) int, null</p>
  </blockquote>
  
  <p>onCreateView</p>
  
  <pre><code>private String[] FilePathStrings;
  private File[] listFile;
  
  ....  
      listFile = file.listFiles();
  
      FilePathStrings = new String[listFile.length];
  
  
  if(listFile.length == null){
  
                  //   Do Something
  
                  }else {
  
                    //   Do Something
                  }  
  </code></pre>