Java is the most popular and the number one technology in the world. Java has a lot of fields and that’s why it is so popular.
What is Java?
Java is a programming language and a platform. We suppose, we all know what a programming language is, let’s see what is a platform.
Computer platform is hardware or software environment where we can run program. Java has its own “Runtime Environment (JRE)” and APIs (Application Platform Interface) which make Java platform. JRE provides runtime environment to a Java program where actually the Java program runs.