extjs4.2-paging-combo-dynamic

这是我做一个日志管理系统的，登录界面！这个里面有很多控件的使用，很有参考性！(it is a good ui)

说明：  基于java socket的网络聊天程序(Java socket-based network chat program)

学习Java过程的Java web 登录页面(Learning the Java web login page of the Java process)

【实例简介】 技术栈/technology stack spring springmvc mybatis poi3 自定义标签开发 bootstrap3/bootstrap-fileinput/jquery.fileupload bootstrap-table1.9 druid fastjson weui log4jdbc/log4jdbc-remix/log4jdbc-log4j2(show sql) hibernate-validator spring-jsonp-support SUI mobile lombok ehcache metrics springfox spring-websocket zxing jwebunit mockito itextpdf

java两种方法编写倒置的三角形，输出第一行7个，第二行5，第三行3个，第四行1个(two ways to write java inverted triangle, the first line of the output 7, the second line 5, the third line 3, the fourth line 1)

编写一个复数类，可以进行复数加法和减法运算。编写一个包含main方法的类（应用程序）测试该复数类。要求该复数类至少包含一个无参的构造方法和一个带参的构造方法；数据成员包括复数的实部和虚部，为double类型；包括两个方法，分别实现复数的加法和减法运算。(Write a complex class, which can add and subtract complex numbers. Write a class (application) containing the main method to test the complex class. The complex class is required to include at least one parametric construction method and one parametric construction method; the data members include the real and imaginary parts of the complex, which are of double type; and two methods are included to realize the addition and subtraction operations of the complex respectively.)

数据库连接驱动，用于jsp和servlet中，比较简单的(jadc driver)

Dual-line interpolation FFT harmonic analysis kaiser windows, Three-phase photovoltaic inverter and network simulation, Very convenient to use.

说明：  后台管理系统，web后台管理系统样式，通用性(Background management system, web management system back style, versatility)

用php实现简单的文件管理，包括对文件的增删查改(Using PHP to realize simple file management, including adding, deleting and modifying files)