一切来源于官网
http://kafka.apache.org/documentation/
2.5 Legacy APIs
A more limited legacy producer and consumer api is also included in Kafka. These old Scala APIs are deprecated and only still available for compatibility purposes. Information on them can be found here here.
本文转自大数据躺过的坑博客园博客，原文链接：http://www.cnblogs.com/zlslch/p/6768459.html，如需转载请自行联系原作者
