title: How do I find the length/number of items present for an array?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/8269048/length-of-array-in-function-argument">length of array in function argument</a>  </p>
  </blockquote>
  
  
  
  <p>My array size is 5. For example:</p>
  
  <pre><code>arrCustId[5]
  </code></pre>
  
  <p>How can I know how many Customer IDs are already present in my array?
  In short how to find length of array?</p>