From the day when the Kotlin declared as the official language for Android development in 2017 by Google at Google IO, the programmers who want to pursue a career in Android developers and want to join Android App Development Company are in a dilemma. The biggest question raise for them is whether they should learn Kotlin or Java. As, if you’re a complete beginner then the answer is Java, and if you’re a Java developer then the answer is Kotlin. Also, here are the pros and the cons of both the languages in detail, which can help you in making a decision about which language you need to learn. Java Java programming is language is an object-oriented, which is now owned by Oracle. As a Java developer, you have a lot more job opportunities than just Android apps developer for Android Application Development Company . Java language allows you to spread your wings wider.