title: how to write runnable method like "fun main()" in kotlin with java in android studio
body: <p>in the Kotlin if you out of the class write this code</p>
  <pre><code>fun main(){
  System.out.println(&quot;ali&quot;)
  }
  </code></pre>
  <p>you can run this method without run emulator. android studio show play icon first the method if you write this code in Kotlin and you can run only this method.
  I want do it in Androidstudio Java. are you know how do it?
  thank you</p>