Answer 1

Heya,
For example C#, you can refer to the course https://www.sololearn.com/Course/CSharp/?ref=app

Microsoft created this high language for Windows applications and forms. I would say it is very similar =)

Answer 2

JADEN
Please refer to the courses. JavaScript is not required for Windows application development... JavaScript is a web application based language which has nothing to do with windows applications
https://www.sololearn.com/Course/JavaScript/?ref=app

Answer 3

JADEN The only one that can be used for windows development is C#... The rest are for web development

Answer 4

Listen me, may be Windows applications means you are saying desktop Windows application. Download Visual Studio, here you'll find all the tools require to create Windows application. You must learn C++ for that and if you're already know than good. However you can also use QT, GTK++ to create Windows applications.

Answer 5

JavaScript: The developer who wants to develop a Windows application must have knowledge of JavaScript. ...
Java: Java is one of the programming languages for mobile app development. ...
C-Sharp: C# is the specially developed language for Windows application. ..
PHP: ..i don't know for php
Ruby: ..also ruby i have little to no idea
SQL: ..as a developer you also need to know database