Develop an application that quizzes a user on national flags of world countries. Use a GUI structure with following specifications:
•A random flag should appear
•The player has to enter the answer for the question in a text box.
•Aleast 25 countries should be included in the quiz. (You can choose any 25 countries).
•A next button allows a new question (flag) to appear.
•A score needs to be maintained with increase in 10 points for correct answer and decrease in 10points for incorrect answer.
•Include exception handling and thoroughly test your application