Just Java is a free Android app available for all students who want to learn Java programming. Developed by TouchSmart, this app is designed to provide a comprehensive guide to one of the most popular programming languages in the world. With Just Java, you can learn object-oriented Java programming and write clear and valid code in almost no time at all.

The lessons in Just Java are fast, easy, and effective, and the app is set up to be completed in less than three hours. You don't need any prior programming experience to start learning. The app covers a wide range of topics, including Java basics, conditional statements and loops, arrays, classes and objects, encapsulation, polymorphism, and inheritance, abstract classes and interfaces, anonymous and inner classes, exception handling, lists, hashmaps, sets, threads, working with files, and much more.

So, if you're interested in becoming a Java developer, download Just Java and start the free tutorial today. You won't regret it!