89Java

实现类似Windows操作系统“计算器”的功能。可以完成任意的通常借助手持计算器来完成的标准运算。“计算器”可用于基本的算术运算，比如加减运算等。同时它还具有科学计算器的功能，比如对数运算和阶乘运算等。(Windows operating system to achieve a similar " calculator" function. You can complete the usual arbitrary use handheld calculators to complete the standard operation. " Calculator" can be used for basic arithmetic operations, such as addition and subtraction operations. It also has a scientific calculator functions, such as arithmetic and logarithmic factorial computing.)

使用java技术操作图片，文字，可以给图片加水印等功能(Using java technology operating picture, text, you can add watermarks and other features to the picture)

简单的登录界面，可改变背景颜色，输入正确的用户名和密码才可登陆成功(Simple login screen, you can change the background color, enter the correct user name and password before landing successfully)

实现了windows计算器所有功能，非常之好，非常之妙。当年就靠它了(Calculator has all the features of windows, very good, very wonderful. Then relied on the)

Low level access to the power manager for enableUserActivity.

说明：  java api文档 中文版的 适合刚入门的 编程时可查阅相关内容(The Chinese version of the Java API document can be consulted when programming for beginners)

说明：  本课题是应用了计算机网络通信技术和JAVA网络编程的基础知识，以JAVA为平台，利用Eclipse开发工具，并使用SQL Server 2000管理数据库数据开发出的基于Socket的网络即时通信系统。(论文+源代码+开题报告)(This project is based on the basic knowledge of computer network communication technology and Java network programming, using Java as the platform, using eclipse development tools, and using SQL Server 2000 management database data to develop a socket based network instant communication system. (paper + source code + opening report))

Including script files and function files in the form, Sampling from a priori probability, calculate the weight, Fractional Fourier transform computing.

开始学Java做的一个小型医院管理系统。没用图形界面(Started to learn Java to do a small hospital management system. Useless graphical interface)

java 到sql sever 数据库系统实现 图书管理系统 开发工具eclipse，含java代码，sql代码，课程设计word文档/已测试无error~ 模块功能介绍   2.2.1 管理员模块功能介绍 1.查询图书 此模块可以查询图书   2.借阅图书 此模块可以借阅图书 3.归还图书 此模块的可以归还图书 4.删除图书 此模块可以删除图书 5.添加图书 此模块可以添加图书 6.删除用户 此模块可以删除用户 7.查询用户 此模块可以查询用户   2.2.2 用户模块功能介绍 1.查询图书 此模块可以查询图书 2.借阅图书 此模块可以借阅图书 3.归还图书 此模块的可以归还图书 4.注册 此模块的可以用户注册