1. Basic Java

The foundation or stepping stone for any other more advanced or higher types of Java is basic Java. Without Core Java's principles and core concepts, a user cannot create or comprehend any applications employing the JAVA EE. Beginning with the fundamental concepts of objects, classes, hierarchy, inheritance, and data types, Java covers everything.
Data types, OOP, operators, exception handling, swing, threading, and collections are some of the subjects covered by Core Java.
Using Core Java makes it easier for users to create some general-purpose apps. These programs often operate on any platform. Examples include calculators, graphic video games like snakes, and numerous event organizing tools.
The principles of socket, swings, AWT, classes, collection objects, and thread are primarily covered in this programming.
Architecture The single-tier architecture is used by Core Java. That's why it's referred to as a stand-alone application. There is no interaction with third parties in a single-tier application. Core Java uses localized heap storage or device storage to meet user demands.
Advanced Java apps must be developed or created using Core Java. It is necessary for creating all sophisticated Java applications.
Core Java includes the J2SE (Java Standard Edition).
When developing on Java Standard Edition, Core Java is typically used.
Java does not cover Purpose Core Databases, socket programming, and other topics.
This programming language offers the Java.lang.* package.

2. Advanced Java

Advanced Java offers specialized knowledge of the Core Java principles. Advanced Java is capable of creating complex web pages as well as comprehending all database operations. In essence, Core Java is the ancestor of Advanced Java. But it emphasizes the more difficult ideas needed to create large apps.
Web services, database connectivity, JSP, Servlets, and EJB are just a few of the topics that Advanced Java covers.
A few enterprise-level programs needed for more complex uses can be built using advanced Java. It enables users to construct online and mobile applications, among other things. Because these programs require data extraction from the databases and are typically deployed on complex servers, advanced Java works well in this situation.
Only enterprise and web-based apps can benefit from advanced Java programming.
The two-tier architecture, often known as the backend or server-side application and client-side architecture, is used by advanced Java. The client-server architecture must be used. It essentially entails constant communication with the client, web servers, and database to gather the necessary data. These structures have client-side interface management and server-side database retrieval.
The scope of the Advanced Java version is constrained to a select few specializations, such as DOM (web), Database, Networking, etc.
Advanced Java includes J2EE (Java Enterprise Edition).
When writing code for the Java Enterprise Edition, advanced Java is helpful.
DOM, socket programming, and network applications are all topics covered by advanced Java.
This programming language offers the Java.servlet.* package.

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