title: Problem with Update-alternatives for java
body: <p>I try to setup nativescript-vue on linux by following steps on nativescript website. when I use this command </p>
  
  <blockquote>
    <p>sudo update-alternatives --config java</p>
  </blockquote>
  
  <p>but have an error </p>
  
  <blockquote>
    <p>update-alternatives: error: no alternatives for java</p>
  </blockquote>
  
  <p>Please tell me how to fix this problem......</p>