Java is a write-once, run-anywhere programming language. It is similar to C and C++ but a lot easier. You can combine Java with a lot of technologies like Spring, node js, Android, Hadoop, J2EE, etc… to build robust, scalable, portable and distributed full-fledged applications. Java also promotes continuous integration and testing using tools like Selenium. Java is one of the most fundamental programming languages that anyone can pick up. It is so simple at the same time, the possibility of what you can develop using Java, is infinite! This is what makes Java the most widely used language in the industry today with Java Certification being a key skill that employers constantly look out for.