title: Update specific node value on Firebase in android
body: <p>I wan to update a specific node value on Firebase database. Lets say the new <code>longitude</code> value is <code>72.7665443</code> that I want to set in Firebase in place of longitude <code>25</code>.</p>
  
  <p>For this purpose, I need a key that is <code>KZaouoZ8jRsZIYL_9Xg</code>. How can I get the key of specific node? Is there an official method of updating the node?</p>
  
  <p><a href="https://i.stack.imgur.com/Vbonu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Vbonu.png" alt="enter image description here"></a></p>