Google 收藏集 (Guava) 太棒了！ Collections2 和 Iterables 是值得关注的实用程序类。它们都有过滤器和转换（如地图）方法等。
Google Collections (Guava) is great! Collections2 and Iterables are utility classes worth looking at. They both have a filter and transform (like map) method, among many other things.
发布评论
评论（3）
Lambdaj 非常棒。
Lambdaj is awesome.
Google 收藏集 (Guava) 太棒了！
Collections2和Iterables是值得关注的实用程序类。它们都有过滤器和转换（如地图）方法等。Google Collections (Guava) is great!
Collections2andIterablesare utility classes worth looking at. They both have a filter and transform (like map) method, among many other things.apache Commons-Collections
apache Commons-Collections