如何使用Java为Windows编写软件?

I have just learned Java in my college. However, in that I can just write programs that are run in the command line. How can I create GUI softwares using Java, something like Notepad? I'm really sorry for asking such a basic question on this forum, but I am really interested in writing real-world software. Also, I've heard a lot about Python. How can I develop similar software using Python?I have just learned Java in my college. However