http://www.ibm.com/developerworks/cn/java/j-lo-jse63/
http://blog.csdn.net/javafreely/article/details/9237799
http://www.open-open.com/lib/view/open1397359125465.html
http://maimode.iteye.com/blog/1354377
oracle官方文档
本文共 215 字，大约阅读时间需要 1 分钟。
http://www.ibm.com/developerworks/cn/java/j-lo-jse63/
http://blog.csdn.net/javafreely/article/details/9237799
http://www.open-open.com/lib/view/open1397359125465.html
http://maimode.iteye.com/blog/1354377
oracle官方文档