https://blog.youkuaiyun.com/springiscoming2008zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/springiscoming2008/article/details/6103643https://blog.youkuaiyun.com/springiscoming2008/article/details/6103643springiscoming2008Tue, 28 Dec 2010 19:25:00 +0800]]>https://blog.youkuaiyun.com/springiscoming2008/article/details/5981098https://blog.youkuaiyun.com/springiscoming2008/article/details/5981098springiscoming2008Tue, 02 Nov 2010 09:16:00 +0800一、下载源代码http://rgruet.free.fr/public/
二、把下载到的代码解压到你的sdk安装目录下的sources文件夹中（无此文件夹，要自己创建）。比如我的完整路径是这样的D:/Platforms/android-sdk-windows/platforms/android-8/sources/android-2.2，代码就在android2.2文件夹中。现在重启你的eclipse，大功告成。]]>https://blog.youkuaiyun.com/springiscoming2008/article/details/5976368https://blog.youkuaiyun.com/springiscoming2008/article/details/5976368springiscoming2008Sat, 30 Oct 2010 17:26:00 +0800问题的提出：
　　如果我们编译运行下面这个程序会看到什么？
　　public class Test {
　　public static void main(String args[]) {
　　System.out.println(0.05 + 0.01);
　　System.out.println(1.0 - 0.42);
　　System.out.println(4.015 * 100);
　　System.out.pri]]>