I\'m trying to find the index of the first element of an ArrayList whose \'tag\' propertydoes not 开发者_JAVA技巧equal null.
I\'m writing a skiplist class in java as an excercise. I\'ve written a class called SkipListInternal<E> which contains the actual skiplist. I\'ve also made a wrapper class called SkipListSet<
Pretty self explanatory: I need to modify the ArrayList that I receive, but I wan开发者_开发知识库t the original to be unchanged.
I have a Tuple<T1, T2> which contains the same object that are in a List, when adding the objects from the List<T> to the tuple I wish to remove them from the List<T>.
Suppose you have this code: Map<Foo, Bar> map = new HashMap<Foo, Bar>(); Foo foo = new Foo();
I\'m trying to put some key values in HashMap and then trying to sort out using TreeMap as below. Problem is that if there were similar values in map, then after sorting it is considering any one of t
I need to store a growing large number of objects in a collection. While performing actions of each object of the collection, I regularly need to check whether an object is already stored. If an objec
I try to serialize embedded collection using开发者_StackOverflow社区 simple. For example : Map<String, List<MyClass>>
Does foreach(T value in new List<T>(oldList) ) is dangerous (costly) when oldList contains 1 millions of object T ?
I\'ve got an ArrayList that I\'m iterating over several times, and it looks like it isn\'t maintaining the order of iteration. I looked deeper, and it appears th开发者_开发知识库at the custom iterator
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