Set the capacity to the actual number of elements in the ArrayList in CSharp
Description
The following code shows how to set the capacity to the actual number of elements in the ArrayList.
Example
//from w w w .j a va2s .com
using System;
using System.Collections;
class MainClass
{
public static void Main()
{
ArrayList myArrayList = new ArrayList();
myArrayList.Add("A");
myArrayList.Add("A");
myArrayList.Add("A");
myArrayList.Add("A");
myArrayList.Add("A");
myArrayList.Add("A");
myArrayList.Add("A");
myArrayList.Add("A");
myArrayList.Add("A");
myArrayList.Add("A");
Console.WriteLine("myArrayList.Capacity = " + myArrayList.Capacity);
string[] anotherStringArray = {"Here's", "some", "more", "text"};
myArrayList.SetRange(0, anotherStringArray);
Console.WriteLine("myArrayList.Capacity = " + myArrayList.Capacity);
myArrayList.TrimToSize();
Console.WriteLine("myArrayList.Capacity = " + myArrayList.Capacity);
}
}
The code above generates the following result.
