How to create the ArrayList in C#
ArrayList() constructor is used to initialize a new instance of the ArrayList class which will be empty and will have the default initial capacity. ArrayList represents an ordered collection of an object that can be indexed individually. It is basically an alternative to an array. It also allows dynamic memory allocation, adding, searching and sorting items in the list.
public ArrayList ();
- The number of elements that an ArrayList can hold is known as the Capacity of the ArrayList. If the elements will be added to the ArrayList then capacity will be automatically increased by reallocating the internal array.
- Specifying the initial capacity will eliminate the requirement to perform a number of resizing operations while adding elements to the ArrayList if the size of the collection can be estimated.
- This constructor is an O(1) operation.
Before Add Method: 0 After Add Method: 4
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