This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

Java beginner course part 1: Hello world! Traditionally, when learning any new programming language, the first thing a tutorial should demonstrate, is how to print “Hello World!” to the screen.

To solve these problems, Java embraced a new approach to exception handling. In Java, we combine objects that describe exceptions with a mechanism based on throwing and catching these objects.

Java 16 introduced basic pattern matching with the finalized instanceof method. For more advanced features, like pattern matching in switch, record patterns, and guarded cases, you need Java 21+.