title: Package java does not exists
body: <p>I want to import java.sql but it says <strong>Package java does not exist</strong>
  I am using Netbeans.</p>
  
  <p>Here is the picture:
  Screenshot Netbeans</p>
  
  <p><a href="https://i.stack.imgur.com/QN0EO.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/QN0EO.png" alt="enter image description here"></a></p>
  
  <p>The hint showing in Netbeans is <strong>Remove unused import</strong> only.</p>
  
  <p><strong>How can I fix this?</strong></p>