Java is a high-level, general-purpose, object-oriented programming language. It is easy and used to develop any kind of program. Apart from this, it can also be used in Android development.
Java Architecture
Java Architecture consists of mainly three components:
JVM: One of the main features of Java is Write Once Run Anywhere, i.e. it is platform-independent. It can run on any OS irrespective of the environment because of Java Virtual Machine.
JRE: Java Runtime Environment provides an environment for the Java programs to be executed.JDK: It is the software development environment that is mainly used in the development of Java applications and applets