The collection specified must be one of the following:
❑ An object that implements the interface java.util.Collection, such as
java.util.ArrayList
❑ An object that implements the interface java.util.Enumeration, such as
java.util.StringTokenizer
❑ An object that implements the interface java.util.Iterator (which can be retrieved from a
Collection object)
❑ An object that implements the interface java.util.Map, such as java.util.HashMap
logic:iterate
最新推荐文章于 2013-05-03 10:05:22 发布