Java is divided into two parts i.e. Core Java (J2SE) and Advanced Java (JEE). The core Java part covers the fundamentals (data types, functions, operators, loops, thread, exception handling, etc.) of the Java programming language. It is used to develop general purpose applications. Whereas Advanced Java covers the standard concepts such as database connectivity, networking, Servlet, web-services.

Advance Java: It is a part of the Java programming language. It is an advanced technology or advanced version of Java specially designed to develop web-based, network-centric or enterprise applications. It includes concepts like Servlet, JSP, JDBC, RMI, Socket programming, etc. It is a specialisation in a specific domain.