I wrote a class that has a map of <String, Object>. I need it to hold arbitrary objects, but at the same time sometimes I need to cast some of those objects, so I\'ll do something like
I\'ve got the following: public abstract class Foo<T>{ //contents of Foo // ... public class Bar<Q> extends Foo<T>{
I know the code below doesn\'t compile, and yes I might be crazy.What I\'m trying to do is slip an implementation (B below) of a abstract class (A) as the super class of class (C) that also extends th
Is it possible to constrain the 开发者_如何学Ctype of generic to, say, two different classes? Like so:
I\'ve defined a method in a class: public void setCollection(Collection<MyClass>); and in another class
Given the following two interfaces (these are small examples, not my actual implementation): public interface IAssertion<T> {
I was wondering if it\'s possible to write a function that accepts multiple generic types as follows:
It seems I\'m missing something with Java Generics because something I think is simple, it appears to me that can´t be done. Maybe you can help...
Here\'s the deal: I have a report designer where users can create reports based on some predefined datasets. They can select a set of columns to include in the report and then, when the report is ran
Is there any way to determine the type of a variable passed as an argument to a method? Consider the class:
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