I am creating a generic class that has a method that is supposed to sort through an array collection that may either be a Book or it may be a CD. I implemented Comparable in the two type classes and a
I have a Groovy class such as class开发者_运维百科 User { List<Foo> someFoos = new ArrayList<Foo>()
I just tried to create a ListDataModel with a bounded type, li开发者_C百科ke this: DataModel<? extends Foo> model = new ListDataModel<? extends Foo>(fooList);
The situation is that I have a table that models an entity. This entity has a number of properties (ea开发者_运维知识库ch identified by a column in the table). The thing is that in the future I\'d nee
If you don\'t use Jav开发者_如何学编程a Generics, I believe it\'s not possible to have two methods in the same class that differ only in their return type.
What would be a practical advantage of using generics vs interfaces in this case: void MyM开发者_StackOverflow中文版ethod(IFoo f)
I would like to know if the below statements ever return a different result for reference types, or are they identical?
I\'ve seen a number of people suggest that you should encapsulate generic types with a class closer to your domain, for example Steve and Nat suggest in Growing Object-Oriented Software, Guided by Tes
I开发者_如何学JAVAs anyone able to \"genericalize\" the class listed at the bottom of this question? I would like the class not to be locked to a delegate of type \"GetStateDelegate\", but a general d
I have FinanceRequests and CommisionTransactions in my domain. If I have a list of FinanceRequests each FinanceRequest could contain multiple CommisionTransactions that need to be clawed back. Dont wo
加载中,请稍侯......