Simple design of Java contact management system

This example shares the graduation design of Java contact management system for your reference. The specific contents are as follows

requirement:

Please use XML to save data and complete a contact management system. Users must be authenticated and logged in before they can use the system. Register, add, delete and view contact functions. Sub module design.

Two layer framework - user interaction layer and Dao layer. Other support layer - data encapsulation layer. Tool class - encryption, factory bean.

Development steps:

Step 1: design the data structure XML. Step 1: design the data structure XML. Step 3: prepare resources and code implementation. Step 4: run the test.

util

dao

cmd

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.