Capacity and element count : ArrayList : Data Structure C# Examples

Capacity and element count

    
using  System;  
using  System.Collections;  
  
class  MainClass  {  
    public  static  void  Main()  {  
        ArrayList  al  =  new  ArrayList();  
          
        Console.WriteLine("Adding  6  elements");  
        al.Add('C');  
        al.Add('A');  
        al.Add('E');  
        al.Add('B');  
        al.Add('D');  
        al.Add('F');  
  
        Console.WriteLine("Add  enough  elements  to  force  ArrayList  to  grow.  Adding  20  more  elements");  
        
        for(int  i=0;  i  <  20;  i++)  
            al.Add((char)('a'  +  i));  
        Console.WriteLine("Current  capacity:  "  +  
                                              al.Capacity);  
        Console.WriteLine("Number  of  elements  after  adding  20:  "  +  
                                              al.Count);  
        Console.Write("Contents:  ");  
        foreach(char  c  in  al)  
            Console.Write(c  +  "  ");  
        Console.WriteLine("\n");  
    }
}
    
   
  
   

Adding 6 elements
Add enough elements to force ArrayList to grow. Adding 20 more elements
Current capacity: 32
Number of elements after adding 20: 26
Contents: C A E B D F a b c d e f g h i j k l m n o p q r s t

Related in same category :
• Get the number of elements
• Remove elements from ArrayList
• Change contents using array indexing
• Sort and search an ArrayList
• Use enumerator to access list
• Re-enumerate the list
• Make an ArrayList Synchronized
• Insert and remove at specific index
• Clear an ArrayList
• Create a string array and use the ICollection.CopyTo method to copy the contents of the ArrayList
• Use ArrayList.ToArray to create an object array from the contents of the collection
• Box ints into ArrayList
• ArrayList
• Insert item to ArrayList by index
• Use ArrayList copy constructor
• IsFixedSize and IsReadOnly properties
• Insert(), AddRange(), and InsertRange() methods
• Use the SetRange() method to copy the elements from anotherStringArray to myArrayList, starting at index 0
• Use the Contains() method to determine if the string 'text' is in the ArrayList
• Use the IndexOf() and LastIndexOf() methods to display the first and last occurrence
• Remove element 0, first 'text' element, and two elements starting at index 3
• Use the Reverse() method to reverse myArrayList
• Using the TrimToSize() method to reduce the capacity of ArrayList
• Using the GetRange() method to get two elements from myArrayList, starting at index 1
• Get an enumerator using the GetEnumerator() method and use it to read the elements in ArrayList
• Use the Reset() method and access the first row again using MoveNext()