GUI is almost finished, I have to rewrite the whole thing from the scratch to fix some issues.
-the second tab for history is finished, it shows 1 to 1000 for demo purpose
-fix the issue that text can't added on top of the background
-right now the test1.java and test2.java are useless
-uploaded a picture that is going to be the background
Things that I am going to do:
-add all the text labels and buttons
-add action listeners to all buttons
-add comments for better understanding
-add an append method for the history tab that will append text to the last line(will not be used for the code review)
-if I have time, add a third tab for some fun stuff.