title: How to Increase or decrease length of array
body: <p>//suppose</p>
  
  <pre><code>object[] myarray = new object[3];
  myarray[0] = 10;
  myarray[1] = 20;
  myarray[2] = 30;
  </code></pre>
  
  <p>Can I change the length of my array according to requirements.
  Like</p>
  
  <pre><code>myarray[0] = 10;
  myarray[1] = 20;
  myarray[2] = 30;
  myarray[3] = 40;
  </code></pre>