I have an object which contains an ICollection: public abstract class Container : Component, IContainer
I have an ArrayList of Products, that i want to add to My map of sales class in my Product class. The purpose of this is to have each product record what was bought with it and how much.
ok - so what I want to accomplish is this: Build a poly interface making use of a generic collection that accepts one of three custom types (constrained through an interface).
Is there any collection in framework like that? public class DesiredCollection<T> { public DesiredCollection(IEqualityComparer<T> comparer)
I get data from external application: class DataItem { public string key; public int Attribute1; public 开发者_如何学Pythonstring Attribute2;
Q1 Why do new classes from .NET implement interfaces only partially? Q2 Shall I do the same in my code?
Is there a way to add a key to a HashMap without also adding a value?开发者_StackOverflow社区 I know it seems strange, but I have a HashMap<String, ArrayList<Object>> amd I want to first b
The Java class CircularFifoBuffer in the package org.apache.commons.collections.buffer is non-generic, and can store objects of any class.
in the Android Java world, is there a straighforward (ideally one-call) way to convert an array of int to an ArrayList<Integer>开发者_如何转开发; and back? Calling toArray() on the ArrayList retu
I have a class and want to work with it as Lists: e.g. List<int>, List<string>, ... , List<T>
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