ejb_tutorial

Java实现将movielens各种规模数据的划分为测试集和训练集(Split movielens dataset to trainset and test set)

仓库管理系统，主要实现了仓库管理的各个细节，希望那个能帮到大家。(warehouse system。)

前台实现grid的自动过滤，很好用，可以自己进行拓展。(Front to achieve the automatic filter grid, well used, can themselves expand.)

利用netbeans开发工具设计简单的通讯录界面程序 jdk使用1 4 2以上(Using netbeans development tools to design a simple contact book interface program jdk uses more than 1 42)

This is a series of unit tests for backup/restore of the SecurityPolicy class.

有四套录音的demo，都实现了录音功能，播放录音的功能，还是很不错的(There are four sets of recording demo, realize the recording function, play the recording function, or very good)

说明：  javaweb 新闻管理系统 新闻管理系统 新闻管理系统 新闻管理系统(javaweb news manager system)

主要的利用Java中的JButton和Jlabel实现对登录界面的制作(Making the login screen, mainly the use of JButton and Jlabel)

信息管理应用源码可以实现读取已安装应用的权限、清除应用的默认设置、清除缓存、把应用移动到SD卡、强行停止应用、卸载应用、读取应用版本、读取应用名、读取应用占用存储大小、读取安装时间、读取系统应用数、读取用户应用数等，其他功能块还有防止重复点击、应用静默安装(2.3.7测试无效)、Package manager has died错误分析。应用列表可以按名称、安装时间、应用大小、类型进行排序。项目编译版本4.0.3 编码UTF-8。(Information management application source code can achieve read application has been installed, authority, to remove the application default settings, clear the cache, the mobile apps to SD card, forced to stop the application, uninstall the application, read version of the application, read the name of the application, read by applying occupied memory size, read the installation time, reading system for a number of applications, read a number of user applications such as and other functional blocks and prevent repeat click, application of silent installation (2.3.7 test is invalid), the package manager has died of error analysis. Application list can be sorted by name, installation time, application size, type. Project compiled version 4.0.3 code UTF-8.)

GUI界面用于读取excel数据并显示，显示统计图：饼状图，柱状图和折线图 (GUI interface for reading excel data and display, display charts: pie charts, bar charts and line charts)