Have just one window handle the difficulty level and number of questions when first running the program, rather than 2. The difficulty level should be chosen using checkboxes instead, and after entering a valid number of questions, you can start the game.
jmangel
commented
7 years ago
Have just one window handle the difficulty level and number of questions when first running the program, rather than 2. The difficulty level should be chosen using checkboxes instead, and after entering a valid number of questions, you can start the game.