Hi,

I'm really in need of a little help by someone who is experienced at generating graphical user interfaces through written code. This is for a project that deals with Polish notation and Reverse Polish notation.

Three classes in total are necessary for this to run properly, and two of them I believe i've already gotten to the point where they seemingly work. The one that is still incomplete is the "main class". If you could, please take a look at what I've done myself thus far, and fix and/or add whatever is missing to the code. I'll be sure to upvote whoever answers. Thank you !

Project description:

https://www.dropbox.com/s/327b7ffqkwey3q6/Project%201%20Description%20.pdf?dl=0

Main class:

https://www.dropbox.com/s/6ty8flhsaeg2dw7/Mainclass.java?dl=0

second class:

https://www.dropbox.com/s/xxdx32azv68w0zg/secondclass.java?dl=0

third class:

https://www.dropbox.com/s/bwf6d6wugcwtb9i/thirdclass.java?dl=0