Definition - What does J# mean?
J# is a programming language that provides developers with a set of tools for developing Java applications that can run on Microsoft’s .NET runtime platform.
This term is also known as Visual J# (often pronounced as "Jay-Sharp").
Techopedia explains J#
The non-Java conventions used in J# make the language friendlier for the .NET environment. Though Java and J# use a common syntax, they differ in that J# uses non-Java conventions to support the .NET Framework. J# has the ability to support Component Object Model (COM) objects and the J/direct interface to Microsoft Windows.
The .NET Framework offers several features that facilitate application development with J#. Some of these features are:
- The compiler helps to convert Java Language source code to Microsoft Intermediate Language (MSIL).
- It has class libraries.
- It has a Java language bytecode converter (for converting bytecode to MSIL), which is very useful when the Java source code is not available.
- It includes com.ms.lang, com.ms.dll, com.ms.com and com.ms.win32 packages.
- Its files have the extension .jsl.
The J# compiler offers a wide range of options which can be used with command-line switches:
- /o: Enable compiler optimization.
- /debug: Emit debugging information.
- /help: Display help and description for command-line options.
- /out: Write compiled output to specified file.
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