Java is a general-purpose programming language that is class-based, object-oriented and designed to have as few implementation dependencies as possible.
Java is a popular general-purpose programming language and computing platform. It is fast, reliable, and secure. According to Oracle, the company that owns Java, Java runs on 3 billion devices worldwide.
Considering the number of Java developers, devices running Java, and companies adapting it, it's safe to say that Java will be around for many years to come.