title: Android Java Project Converts to Kotlin in Android Studio
body: <p>I want to convert my java project to Kotlin, there are more than 500 java files. How can I convert it into Kotlin easily?</p>
  
  <p>I know that we can convert one by one java file to Kotlin, But there are many files. </p>
  
  <p>Can I convert it at once?</p>