What is the Difference Between Java and Core Java?

By Aina Parasher|Updated : May 10th, 2022

Difference Between Java and Core Java: Sun Microsystems created the Java programming language. Java is now found in practically every internet application. It is a general-purpose high-level programming language based on the concepts of object-oriented programming (OOP). On the other hand, Core Java is similar to advanced Java, however, it can only be used to create system software and applications. 

Java and Core Java run on various platforms. For devices that are compatible with Java, it uses a cross-platform approach. When we compare Java to other programming languages, we can see that it has some implementation requirements, which is why it was created. Core Java also makes use of Java as a computing platform, which is utilized to create Java applications for both servers and PCs. Further, let us check the difference between Java and Core Java in the upcoming sections.

 

Table of Content

What is Java?

Java is an object-oriented, class-based high-level programming language that was specifically designed to have fewer implementation requirements than earlier languages. The V language has affected it, and most of its grammar is borrowed from C and C++. A class file containing Java bytecode can be executed on any platform running a Java Virtual Machine (JVM), regardless of the computer architecture. It is completely platformed agnostic, meaning that it can run any compiled code on any platform.

Java is preferred by programmers and developers above other programming languages for app development due to the amount of knowledge and its growing popularity. The finest part is that it can operate on virtually any device without recompilation, hence the motto "Write once, run anywhere."

What is Core Java?

Instead of just the programming language, Core Java refers to a set of libraries. It is the purest form of Java, designed particularly for desktop application development. Simply said, it refers to a subset of Java SE technology that includes both general-purpose and special-purpose APIs.

Core Java is a subset of Java, which contains all of Java's fundamentals, as well as some concepts and package details. It's a self-contained Java application that covers everything from OOP ideas to special operators, data types to wrapper classes, Linked lists to Array lists, queues to exception handling. It is still the most generally used platform for developing portable desktop applications, and it is based on the OOP idea. It includes development tools, a virtual machine, and other class libraries in addition to the general-purpose APIs. 

Difference Between Java and Core Java

The main difference between Java and Core Java is that Java is a programming language that is used for developing applications and applets. Core Java is the basic and raw form of Java which is used for designing application software for desktop as well as server environments. Let us look at the difference between Java and Core Java listed in the table below.

Difference Between Java and Core Java
JavaCore Java
Beginners can learn Java because it simply requires the fundamentals. Object-oriented programming, multithreading, polymorphism, and other concepts are all part of the Java core.
For devices that are compatible with Java, it uses a cross-platform approach.Core Java also uses Java as a computing platform, which is used to create Java applications for both servers and desktops.
It is a superset of Core Java.It is a subset of Java.
It is a type of programming language. It is the most fundamental and standard version of the Java language, and it serves as the foundation for all other Java iterations and editions.
It has the ability to lower total network use. As a result, it is incredibly cost-effective. It is unable to reduce overall network utilization.
It's used to create applets and programs. It is only used to create desktop and server applications.

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Java and Core Java FAQs

  • The basic difference between Java and Core Java is that Java is a general-purpose programming language derived from C and C++ and built on the notions of high-level object-oriented programming languages. Core Java, on the other hand, is a subset of Java that is used to create portable code for both desktop and server applications.

  • Java is a class-based and object-oriented general-purpose programming language. Developers can create code anywhere and run it anywhere since the programming language is built in such a way that they don't have to worry about the underlying computer architecture.

  • While Java is used to create applets and applications, Core Java is mostly utilized to create desktop and server-side application software. Core Java is the most fundamental and pure form of Java, and it serves as the foundation for all other Java editions.

  • Based on the application, the difference between Java and Core Java is given below.

    • Java is a platform-independent, robust, and secure programming language that is suitable for developing application software for a wide range of platforms, including mobile phones, the internet, embedded systems, servers, and more. 
    • Core Java refers to the Java Standard Edition (Java SE), which is the Java platform's core base and is used to construct enterprise-level applications for both desktops and servers.
  • Based on the community involvement, the difference between Java and Core Java is that Java receives continual contributions from a variety of Java developers, industry experts, and other open-source groups. Core Java is not at all pushed by the community.

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