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.NET vs Java

What is .NET?

  • Microsoft's .NET framework is an open-source framework geared toward Microsoft product consumers.
  • The framework was designed specifically for Microsoft when it was initially released in 2002. That implies you won't be able to code or execute produced apps on Linux, Android, or iOS. It was also a closed-source system.
  • In 2016, Microsoft released.NET Core that shifted the framework's market position. Although many firms previously ignored.NET due to its limited use, they have begun to include it in discussions regarding framework selection. It has proven to be a strong competitor for Java.
  • Today, .NET 5 (previously.NET Core) is the most popular framework since it is free of limitations of the previous Windows-only.NET Framework 4.8.
  • NET Framework 4.8 is currently regarded a legacy technology, and.NET 5 is being effectively used to construct applications of varying levels of complexity.
  • This framework is object-oriented and supports languages like C#, C++, F#, and others. The .NET Framework also includes the Common Language Runtime, that executes compiled source code.

When Should You Use .NET?

  1. Client apps
  2. Games
  3. Enterprise development
  4. Web applications and websites

What is Java?

  • Java is an object-oriented programming language, released by Sun Microsystems in the year 1995.
  • Java programming is one of the most preferred programming languages due to its many features. It is platform-independent. It does not support explicit pointers. It makes Java programs more secure.
  • One must install JDK before executing the Java program. The Java code is first compiled into a byte code. And the byte code is then interpreted. The byte code can be executed on any other platform which has Java Virtual Machine (JVM) installed on it. It makes the Java programs portable.
  • There are three versions of Java.
    1. Java EE (Enterprise Edition)
    2. Java SE (Standard Edition)
    3. Java ME (Micro Edition)

Basis of Comparison

1. Speed of Coding

Although Java has different threads to allow handling and processing sequences of instructions easier, .NET remains the leader in terms of coding speed. Because.NET is an object-oriented technology with reusable components, it takes less time to design the same app in.NET than it does in Java.

2. Performance

Although Java has many techniques for scaling performance, it is still slower than.NET. C# and C++ are two natively compiled languages used by.NET. They are both faster and use less memory than Java. .NET also helps to optimize your code and write less code, which improves performance. Shorter code also implies less time spent maintaining it and simpler debugging. Both developers and clients will be interested in such functionalities. In the performance fight between JAVA and.NET, .NET comes out on top.

3. Scalability

Following the application's full rollout, both technologies are among the most stable. As a result, both JAVA and.NET are frequently used to create complicated, large-scale enterprise applications.

4. Development Cost

The average salary of a Java software developer is $79k and the average salary of a .NET software developer is $76.5k as per Glassdoor. The difference between both salaries is a lot but using Java language software for various platforms can be developed and it would be more cost effective.

.NET vs Java

.NET Java
.NET is an open-source framework and its newest version .NET 5 operates on any platform. Java is a cross-platform programming language.
.NET is a reusable component that speeds up the coding process. Coding is well-optimized, but the final code is long.
.NET is less popular among developers. Java is more popular among companies and developers.
.NET is easy to learn but it does not have enough documentation. Java provides more documentation so it's easy to learn.
In .NET data can be accessed using ADO.NET/OleDB In Java data can be accessed using JDBC.
.NET web application frameworks include ASP.Net MVC, Spring .NET Java web application frameworks include Spring, Spring Boot.
.NET has system XML. Java has XML such as Xerces, Saxon, Jackson, etc.
.NET application unit testing is done using Microsoft Unit Testing Framework, JUnit. Java application unit testing is done using JUnit.


Both Java and.NET are popular development platforms, each with its own set of benefits and drawbacks. Java excels in situations requiring flexibility, whereas.NET is better suited to projects requiring complicated infrastructure.

Understanding such distinctions will greatly assist you in making well-informed selections when selecting the appropriate technology.

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