generics

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Type-parameterized field of a generic class becomes invisible after upgrading to Java 7

Now Eclipse Indigo SR1 with builtin Java 7 support is finally out since a week or two, I\'m migrating my playground projects from Helios SR2 + JDK 1.6_23 to Indigo SR1 + JDK 1.7.0. After a full rebuil[详细]

2023-04-11 21:25 分类：问答
Specifying the subtype of a Generic in Scala

Consider the following example, which should print 8. Why does the A.Value + B.Value thinks that B.Value should be a string? How do I fix it?[详细]

2023-04-11 19:31 分类：问答
Java Generics : Casting a raw type to any reifiable type doesn't generate unchecked cast warning

I have the following question regarding the code below: public class GenericBridgeMethods <T> { public static void main(String[] args) {[详细]

2023-04-11 19:09 分类：问答
How to cast a generic type at runtime in c#

I need to create an IEnumerable<IEnumerable<T>> when I only know T at runtime. I have built up my collection like so:[详细]

2023-04-11 19:08 分类：问答
.Net generic contraint on struct types

I am trying to create a generic class whose implementation depends on the type being an Int32, Int64, double, float, or decimal.[详细]

2023-04-11 18:06 分类：问答
Flattening a generic Java tree

I have an interface for models that can have parents and children public interface HierarchyAware<T extends HierarchyAware<T>> {[详细]

2023-04-11 17:52 分类：问答
Inheritance isn't working properly for generic abstract object factories

I have the following basic object factory for when I want some members of a class hierarchy to have special construction code and any other members to have generic constructors.[详细]

2023-04-11 16:52 分类：问答
Generics and use of 'instanceof'

A question specific to generics in Java, and their usage with instanceof: For the following if-statement: if (((NodeInternal<Value>) p开发者_JS百科arent).NW() instanceof NodeLeaf<?>)[详细]

2023-04-11 16:24 分类：问答
Ant build fails because of generics - and only on linux

I\'m trying to build a project of mine on debian (in fact, hudson builds it), and the build fails: [javac] (...)/src/vbp/gui/GUI.java:1569: type javax.swing.DefaultListModel does not take parameters[详细]

2023-04-11 14:51 分类：问答
Using Concrete class as type parameter for inherited generic base class

I have a base class with the following signature public class ReportVie开发者_开发技巧wModelBaseDTO<VT,DT>[详细]

2023-04-11 11:10 分类：问答