Explore The Primary Differences Between Java & Core Java
The crown for one of the most sought-after programming languages easily goes to Java. The programming language is known to be incredibly versatile in the sense that developers can write and compile a Java application in Windows and then run it on Linux, Unix box, Mac, or even mobile phones. It is popular for developing Android apps as it is known to execute faster with fewer bugs. It is backward compatible with early versions. Without it, programs would have to be rewritten after every new release.
James Gosling of Sun Microsystems, along with his team, developed the first Java version in 1991. It was designed to run a variety of computer processors that controlled home appliances. Since then, the language has come a long way. Today, it is far more powerful, versatile, and secure. Given its extensive existence of over 20 years, there is a boatload of information to help you not only understand it but to leverage it to the maximum. There are a number of code samples to help developers with implementations, Java libraries, and a stable framework.
Since its inception, it has been well-associated with the web. Now, the same Java program can be used across multiple platforms – from Android apps and embedded systems to web applications for the healthcare sector, server apps for financial institutions, and E-commerce platforms as well. What’s more fascinating is that within Java, you can find multiple underlying wonders, and one of the finest of them happens to be – Core Java.
The beauty of Java lies in the way it comes to the aid of developers when creating intuitive web applications, and Core Java only brings more value to the table. It is less about Java vs. Core Java and more about how you can leverage their differences and similarities to your benefit. To know how to make the best of both, it is important to first know why they were created and how they enabled developers to create excellent web applications.
What Is Java?
Java is one of the languages used for writing Selenium automation scripts. It is an object-oriented, write-once-run-anywhere, server-side programming language. To put it simply, it is an all-purpose language that runs on any platform. It uses something called the Java Virtual Machine that allows Java applications to run anywhere. According to Oracle, the company that owns Java, Java runs on 3 billion devices worldwide.
Many server-side applications are written in Java which processes tens of millions of requests per day. Almost all the Fortune 500 companies use Java as their go-to computing program for application development and such. Functionally speaking, it is used to develop desktop and mobile apps, android apps, server apps, software tools, J2ME apps, embedded systems, big data processing, scientific applications, and the list goes on. So, what makes it so popular? Its many features – a simple syntax making it easy to learn, object-oriented independent platform, architecture-neutral, secure, and the availability of excellent Java frameworks.
What Is Core Java?
Technically speaking, Core Java only exists because Java does. It is not a programming language as such, but more of a stand-alone Java application containing a collection of libraries. It is simply a part of the Java programming language that is often used for building desktop applications that serve a general-purpose. Sun Microsystems uses the term ‘Core Java’ to describe the standard version of Java (JSE). It essentially stands for J2SE (Java Platform Standard Edition), comprising all the basics of Java including some principles and package details, as well as sets of related technologies such as CORBA, Java VM, etc.
To simplify the term further, Core Java is nothing but the subset of Java SE technologies which consists of both general-purpose API’s and special purpose API’s. It provides the core functionality of Java with the deep knowledge of the Java language itself. It also includes OOP concepts, data types, LinkedIn list, Array lost, special operators, wrapper classes, queue to exception handling, as well as the Java Virtual Machine Specification.
Now that we have a deeper insight into what purpose do Java and Core Java serve, let’s move on to the differences between Java & Core Java to explore their true potential, as well as the few limitations that often tag along with any and every programming language.
Key Differences Between Java and Core Java
| Java | Core Java |
| Java is a general-purpose, object-oriented programming language that derives most of the syntax from C and C++. | Core Java is the most basic Java that enables developers to build generic desktop applications and server environments. |
| It is ideal for the development of application software for a wide variety of platforms including mobile phones, websites, embedded systems, servers, and more. | Core Java refers to the Java Standard Edition (Java SE) which is used for the development and deployment of portable applications for desktop and server environments. |
| It consists of J2SE, J2EE, and J2ME. | It consists only of J2SE. |
| It brilliantly supports cross-platform compatibility. | Core Java is a platform used for developing Java applications for desktops and servers. |
| It can be used for mapping applications on embedded systems. | It cannot be used for developing applications on embedded systems or mobiles. |
| It is the basic level programming language for beginners wanting to learn the basics of the Java programming language and some knowledge of the Java SE. | Core Java teaches all the fundamentals of Java applications and more including OOP concepts, multi-threading, exception handling, Polymorphism, etc. |
| Java has great community support given that it receives continuous contributions from industry experts, Java developers, and other open-source organizations. | Being only a subset of Java, Core Java is not community-driven. |
| Java proves to be a cost-effective solution as it can reduce network usage. | Core Java is not adept at reducing network usage. |
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