title: how to check the string array is empty or null android?
body: <p>I am new to java. Am unable to check for null. Could you enlighten me on this? 
  I have string array which has no elements.</p>
  
  <p>I tried this code</p>
  
  <pre><code>String[] k = new String[3];
  if(k==null){
      System.out.println(k.length);
  }
  </code></pre>