As we already know, Java is one of the most favorable programming languages used by software development communities around the globe for the development of multiple computer applications. Furthermore, Java is divided into two hierarchies Core Java and Advanced Java. Both Advance Java and Core Java are parts of Java programming and are being used for different purposes. In simpler words, we can understand Core Java as the method of building general purpose applications or creating low-level applications whereas Advance Java can be understood as the method of developing high-level online applications such as the development of web applications or mobile applications all come under Advance Java.
Special Note: Advance Java can't be developed without the use of Core Java so both have their importance in application development and can't be separated either.
Comparison Between Advance Java and Core Java
Why is Core Java important?
For the development of general-purpose applications, Core Java plays a major role in the creation. Although its main focus is to develop general applications.Java Standard Edition(J2SE) is sometimes also called Core Java and covers mainly the concept of object-oriented programming. The main pillars of Core Java are inheritance, polymorphism, encapsulation, and abstraction.
Core Java surrounds the concepts of AWT, threading, swing, and collections. For the development of GUI(Graphical User Interface), AWT and swing are used whereas threading supports the simultaneous execution of multiple processes as well as allows the manipulation of a group of objects. Core Java is proof to be an all-rounder as it covers all the Java programming concepts.
Why is Advance Java important?
Advanced Java is much ahead of core Java, it has engulfed more advanced level concepts such as database access, web technologies, etc. Java Enterprise Edition(J2EE), sometimes also called Advanced Java. Java Database Connectivity acts as a standard Java API that helps in building independent connectivity between the applications of Java and its database. The database which helps to develop connectivity are MSSQL, MySQL, and Oracle. Apart from the above data, JSP and Servlets help in the development of dynamic web applications. EJB with the additional features which help in building the most advanced high-level online applications. Java Web services are also capable of assisting RESTful and SOAP web services. They provide support to the users by providing a common platform for all the applications to interact with each other.
Preface Of Java Knowledge And Its Types
Java knowledge is not just a term, it is itself a complete package with unlimited programming features and libraries.java knowledge is divided into three sections such as Java, Core Java, and Advance Java.
Java-Java is the most basic level for programming for doing the coding. A beginner learns first the basic level of how to write code.
Core Java -This is the level where Java expertness is required to get a placement in IT sectors.Must be proficient in Java exception Handling, Java Multi-threading, OOPS, Polymorphism, etc.
Advanced Java -Aspirants should be proficient in understanding Java Packages and advanced concepts such as JSON, REST, XML handling, etc.
Common Relationship Between Them
Advance Java fully depends on Core Java making it dependent to develop applications using Advance Java. Hence, Advance Java and Core Java are interdependent to each other.
Java Version Differences
Core Java comes under the version of Java Standard Edition(J2SE) while Advance Java comes under the version of Java Enterprise Edition(J2SEE)
Areas Covered Under Core Java and Advance Java
Areas covered under core Java are object-oriented programming,data types,exception handling,threading,swing,and collections.While Advance Java covers database connectivity,Sevlets,JSP,EJB,etc.
The difference in Architecture of both
The core Java follows single-tier architecture while Advance Java follows the two-tier architecture such as client-server architecture.
Java Standard Edition(Java SE) comes under Core Java while Advance Java comes under the Java Enterprise Edition(Java EE)
Core Java has Java packages of the name java.lang.some package whereas Advance Java has javax.servlet.some package.
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