＜一＞前言： JFreeChart 是开放源代码站点SourceForge.net上的一个JAVA项目。它的功能十分强大，能创建饼图、柱状图 (普通柱状图以及堆栈柱状图)、线图、区域图、分布图、混合图、甘特图以及一些仪表盘等等，并可生成PNG或JPG图片格式文件。 本人在学习过程中发现，网上很多文章都是讲一些 JFreeChart ...

A climograph can be easily generated with Excel as documented in Creating a Climograph in Excel and Directions for Using Excel to Make a Colorful Climograph. While it is a little more work to generate ...

As a developer, I am often asked to demonstrate new applications. After doing many demos, I noticed that users are often initially more interested in what an application looks like than what it does.