I want to know what is the difference between a standard implementation of java.util.Map interface and some other map implementations which are called Fast Map. And, can you please introduce me some f
I\'m a little puzzled with this one. I have a Collection called \"AllProducts\", which has a collection inside called \"ProductGroups\" (to group items separately) which inside contain a collection of
Using Collections.unmodifiableMap(...), I\'m trying to return an unmodifiable view of a map. Let\'s say I have the following method,
This question already has answers here: Closed 11 years ago. Possible Duplicate: List<T> vs BindingList<T> Advantages/DisAdvantages
Is there a viable g开发者_JS百科eneric version of org.apache.commons.collections.CollectionUtils?If not, why not?It seems like an obvious need.Or has the Java community just given up on functional cod
I need a single collection of \"processor\" classes (I happen to be using Java) that can operate on a concrete shape, say a circle.Some of the classes can operate on the abstract shape, while others r
Is there a more efficient/quicker/more sensible to copy part of an ArrayList than the way I\'m doing it?
I\'ve got class, let it be Foo: public class Foo { ... protected MyCollection<Detail> _details public virtual MyCollection<Detail> Details
Is there any Java library offering an ImmutableBitSet? I开发者_运维问答 didn\'t find any, neither Guava nor using Google.You could use BigInteger, since it has setBit, testBit and clearBit.A workaroun
I have a bunch of CheckBoxes in a grid. I want to access them so that I can set them to checked or unchecked according to a registry value on start up.