If you are looking to learn Java, you may be wondering where to start. Which technologies should you focus on? Whether you are new to the language, a middle-level learner, or already using Java at work, this article explores the essentials that you need to know.

Java in 2020 is overgrown with new features and was released twice right on schedule, despite the global turmoil. Java will remain one of the main platforms for developing enterprise applications (that is, corporate applications used by large companies to make money.