chapter03

java语言开发的彩色图形，对于学习java语言中的色彩应用，十分有帮助(this is a java program which paint a colorful circle,this program is helpful to those who want to know how to use color in java)

google-gson-2.2.4:gson解析JAR包，用于在java中开发GSON程序时使用。(google-gson-2.2.4: gson resolve JAR package, for use when developing GSON program in java.)

可以在web开发中用es集群缓存数据，替代数据库，提高效率(You can use elasticsearch)

基于web的java开发设计，作业管理系统。源码加文档，功能齐全。(Java-based web development and design, and job management system. Source plus documents, fully functional.)

Handle "hello" messages and feature discovery.

美国空军标准的飞行器气动计算软件DATCOM的可视化版本，使用更加方便！(A software with GUI, which can be used to calculate aerodynamic characteristics of a aircraft!)

Java MongoDb的课程设计资源，系统本身不需要事先写好数据库，系统会在运行时自动创建数据库并插入一条数据，但是运行前请保证数据库（MongoDb）处于开启状态！

我学习java三年多了，自己的一点心得给大家那去看吧！(I learned java more than three years experience to his point that to see it all!)

本文件是在VISUAL C++环境下开发的汽车货运管理系统，感兴趣的可下载。(This document is in the VISUAL C++ development environment trucking management system, interest can be downloaded.)

将一个图片进行裁剪成指定大小的图片, 现在很多网站有这个程序来裁剪头像(Cutting a picture into a specified size of image, Now many sites have this procedure to cutting head)