There are several reasons why a Developer or Business might prefer Java over C#.NET. Here are some of the main points:
Portability: Java is a highly portable language because it runs on a wide variety of platforms, such as Windows, Mac OS X, Linux, etc. It's also possible to write Java code that can run on both server and client machines, as well as mobile devices. On the other hand, C#.NET is mainly associated with the Microsoft .NET platform, so portability is limited.
Open source: Unlike C#.NET, Java is open source and can be used without paying any fees or licensing costs. This allows developers to use Java without any restrictions, which makes it a more attractive platform for business development.
Support: Java is one of the most widely used languages in the world, so there is an abundance of resources and tutorials available for those looking to learn it. This includes books, websites, forums, and even dedicated communities. C#.NET doesn't have the same level of support since it is a far less popular language.
Performance: Java is known for its greater performance when compared to C#.NET. This is due to Java’s Just in Time compilation, which allows the code to be compiled into bytecode just once and then run multiple times at a faster rate. Moreover, Java has better memory management compared to C#.NET.
In conclusion, there are several advantages that make Java a preferred choice over C#.NET, such as its portability, open source status, wide range of support options, and improved performance. All of these points make Java a great option for developers and businesses looking to create applications and services.