title: How to get the size of records in a Firebase Database?
body: <p>I am new to firebase, I was trying to get the size of data in a <code>Users</code> where <code>Users</code> have different <code>records</code> and every record have two properties <code>Name</code> and <code>Contact</code>. I want to get the size of <code>records</code> in cont. I am trying to get this in android application using java.</p>
  
  <p>structure of database is looks like this</p>
  
  <p><code>Users</code></p>
  
  <pre><code>   Records
          Name
          Contact
  </code></pre>
  
  <p>I want to get the count of Records.</p>