Apple wanted to simplify the learning curve and workflow for developers and released it’s own programming language for iOS and OS X called Swift. Most of the mobile app developers say that Swift is much easier than Objective – C. Also, Swift eliminates the possibility of security vulnerabilities that tends to arise with Objective-C. And as it’s a newer programming language with a lot of growing hype around it, Swift is one of the valuable languages to learn to be an in-demand developer.
Java is one of the most widely used programming languages in the world with an estimated 9 million software developers. It is easy to learn, easy to read, it reduces errors and gives clear explanations and suggestions. This object-oriented language gained popularity because of its versatility. For building a common code that can be run on multiple platforms, Java is a great choice.