If you believe that self-learning Java development through blogs, online courses, and tutorials is a waste of time, rethink... The adaptability of the Java language, which can readily serve any purpose, is what drives up demand for Java developers.
We now live in a data-driven world. We utilize the Java/ J2EE programming language to construct everything from a simple web application for a cell phone to a massive enterprise application that runs on the internet.
Java programming is easy to learn, object-oriented, secure, architecture-independent, portable, high-performance, interpreted, threaded, and dynamic.
Everyone nowadays wants their company to be automated and distributed via the internet. The world is growing more intelligent, and the internet has spread to even the most isolated locations.
Java is preferred by most businesses because it is secure, easy to disseminate, and maps well to real-time objects. Java is the platform of choice for 90% of businesses.
As you obtain more experience, data, and possibly certificates, you advance to the position of a senior computer programmer.