Today, I start learning Kotlin for Android app development. I have two ideas for apps I am going to create and I don't want to do them in Java. https://dokumen.pub/kotlin-for-android-app-development-1nbsped-0134854195-9780134854199.html https://dokumen.pub/kotlin-for-android-developers-learn-kotlin-the-easy-way-while-developing-an-android-app.html