If you want to RUN A STARTUP,
this is the language for you!

Run a startup
Java
Java Icon

If you want to develop native Android apps, then Java is the way to go. Java is a general-purpose language best known for being relatively simple to use and scalable. The Java community is huge as well, so you'll be able to get a lot of support when learning the language. 

Learn WHY Java is the best for you