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This article will explain in detail how JAVA implements the customer selection and purchase system. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Customer purchase information system functional requirements:

1) enter multiple customer purchase information. Including the customer's name, age, goods purchased, unit price and quantity of each item.

2) output the information of multiple customers purchasing goods. Including the customer's name, age, purchased goods, the unit price and quantity of each commodity, and the total consumption amount.

Method: 1) define a class CustomerGoodsAdmin for multiple customer information processing. These include:

Attribute: Customer [] customers

Method: void show () / / user interface

Void inputCustomerlnfo () / / customer purchase information input

Void print () / / customer information printing

2) define a Customer class. These include:

Attribute: String name

Int age

Goods [] goodes / / purchase goods

Double total / / Total purchase amount

Customer () / / Construction method

Print () / / output customer information

3) define a Goods class

Attribute: String name / / name

Int num / / quantity double price / / Unit Price

Double totalPrice / / Total Price

Goods () / / Construction method

Note: all properties are set to private. Access through get and set

CustomerGoodsAdmin class

Customer class

Goods class

Test results:

This is the end of the article on "how to realize the customer selection system for JAVA". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it out for more people to see.

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