The aim of this article is to clarify the similarities and differences between Java and.NET in layman’s terms. I still have students asking me what the distinction is between both of them, and no matter how many times I explain it to them, they always have reservations due to a profound lack of comprehension between them.

So, before we can compare them, we must first consider what they are. What exactly are they? What precisely do they do? Who created them? What are they made of, and so forth.


Sun Microsystems created Java, which is an open source version of the Java Platform (bought over by Oracle). Its Java programming language is a lightweight programming language that can be used on UNIX, Linux, Windows, and other operating systems using the JVM (Java Virtual Machine). Source code written in Java is first compiled into bytecode, which is computer independent code. During runtime, the virtual machine reads the bytecode and executes it by converting it to operating system target machine instructions.


Microsoft’s NET platform is a web framework. It is largely supported by the Microsoft Windows operating system. The.NET Application Class Library and the Common Language Runtime are the two main components of the framework (CLR). The.NET Framework Class library contains a collection of programming languages that can be used to create a variety of web applications, including desktop, cloud, and smartphone apps. Support for basic data types, I/O functions, database support, Graphical User Interfaces (GUIs), and other features are among them. The Microsoft Intermediate Language (MSIL) code execution is supported by the Common Language Runtime, which includes features including code checking and compilation.

I’ll make a distinction of them after I’ve gained a basic understanding of both of them. I’ll start by comparing their similarities, then their differences in terms of designing various forms of software applications, such as desktop, online, and smartphone apps.


  • Both are capable of delivering high-quality application applications.
  • Both include programming languages that cater to various software framework requirements.
  • Both have a set of APIs that can be used for production.

Desktop Application Development Differences

  • Java Desktop Applications are created using the Java AWT (Abstract Window Toolkit) and Swing Library. Developers may use JavaFX to
  • create a more immersive Desktop Application, similar to Adobe Flash.
  • Windows Forms, Windows Presentation Foundation, and Silverlight are all part of the.NET desktop development framework.
  • In their Integrated Development Environments, both Java and.NET have drag and drop capabilities for integrating desktop applications (IDE)

Web Application Development Distinctions

  • In the development of interactive web application applications, there is a competition between the use of Java Enterprise Edition and Microsoft ASP.NET.
  • JEE relies heavily on Apache Tomcat as an application server, while Microsoft ASP.NET relies on Internet Database Providers (IIS).

Differences in the Development of Smartphone Applications

  • Java Mobile Edition (Java ME) and.NET Compact Framework are competing.

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