Introduction - If you have any usage issues, please Google them yourself
Using the Java language to write a program that simulates the shopping and clearing functions of the online supermarket. It requires a graphical user interface after the program runs. It can be used to input all kinds of commodity related information of the purchase. Finally, the user's shopping list and price are given, and the user can inquire the details of the number of items purchased by the user according to the need. Fine information.