1 min readMay 27, 2018
data class is a better alternative. Student and Age classes will have additional methods generated by Kotlin. For example, equals, hash, and toString.
Sign up to discover human stories that deepen your understanding of the world.
Free
Distraction-free reading. No ads.
Organize your knowledge with lists and highlights.
Tell your story. Find your audience.
Membership
Read member-only stories
Support writers you read most
Earn money for your writing
Listen to audio narrations
Read offline with the Medium app
