1.jre和jdk的区别 http://www.cnblogs.com/myitm/archive/2011/05/03/2035942.html
2.String StringBuffer StringBuilder
3.写一个Singlton http://blog.sina.com.cn/s/blog_3e902bd3010006u9.html
4.读取文件夹
5.神经网络
1.jre和jdk的区别 http://www.cnblogs.com/myitm/archive/2011/05/03/2035942.html
2.String StringBuffer StringBuilder
3.写一个Singlton http://blog.sina.com.cn/s/blog_3e902bd3010006u9.html
4.读取文件夹
5.神经网络