java-library-system

这是一个关于打开文件和将要显示的内容直接写入到一个txt文件中去。(this is an java project which is open file and write the result into the txt doc .)

JAAS的简单应用示例，其中运行方式简单只需要拷贝到JAVA工程的src目录下就可以运行。本代码的编写依照JAAS的官方手册编写完成。(JAAS simple application example, which requires only a simple copy operation mode to the JAVA project s src directory, you can run.)

Java Swing是目前图形界面设计的主流开发工具，本书从实用的角度出 发，通过大量实例全面介绍Java Swing中各种组件的应用及图形界面的开发 技术。(Java Swing GUI design is currently the mainstream of development tools, from a practical point of view the book Hair, comprehensive introduction and development of various components of Java Swing application and a graphical interface through a lot of examples Technology.)

说明：  Android Studio 源代码工程，帮助大家查阅审核，编写时可以做参考(Android Studio Main Project)

java 创建 Excel 2003 文件,很适合新手学习.(java create Excel 2003 files, it is suitable for novice learning.)

编写一个接口ICaculatable 接口中有一个doCaculte()方法 要求三个类BlackMan WhiteMan YellowMan实现这个方法 BlackMan 实现从控制台输入5个数 排序（正排）输出 WhiteMan 实现从控制台输入5个数 排序（倒排） YellowMan 实现从控制台输入5个数 计算总和 输出 写出一个测试类来测试以上类的功能。 测试类中要有void solveProblem(ICaculatable obj)方法进行测试 要求以上类在不同的包当中。(The preparation of an interface, there is a ICaculatable interface doCaculte () method requires three types of BlackMan WhiteMan YellowMan method to achieve this BlackMan input from the console 5, the number of sort (being ranked) output from the console WhiteMan enter the number 5 ranking (inverted ) YellowMan input from the console 5, the number of calculation of the sum of the output type to write a test to test the functions of the above categories. Test category must be void solveProblem (ICaculatable obj) method of the above testing requirements in different types of packages were.)

大学Java课程实验三，要求学会使用继承接口与多态。(Java course experiment three universities require learn to use interface inheritance and polymorphism.)

这是一个上传头像的源代码 可以实现电脑的拍照功能 保存成一大一小照片 可以根据自己的需求开发(This is a picture to upload the source code can be saved as a computer' s camera and a small photo can develop according to their needs)

mysql-connection.用于java数据库编程(For Java database programming)

Struts2 技术内幕——深入解析Struts2架构设计与实现原理(Struts2 technology insider- in-depth analysis of Struts2 architecture design and implementation principles)