C # Collection (9) Continuous update

The size of the array is fixed. If the number of elements is dynamic, the collection class is used.

List<t> is a collection class that is equivalent to an array. Other collections: Queues, stacks, lists, dictionaries, and sets.

The. NET Framework 1.0 includes non-generic collection classes, such as ArrayList and HashTable.

Create List

list<intnew list<int> ();

Use the default constructor to create an empty list. If you add an element to the list, the capacity expands to 4 elements. If you add a 5th element, the capacity is 8.

If the capacity of the list changes, the entire collection is reassigned to a new block of memory. To save time, you can create a collection that has a capacity of 10 directly.

list<intnew list<int> (ten;

C # Collection (9) Continuous update