Sort and search an ArrayList : ArrayList : Data Structure C# Examples

Sort and search an ArrayList

    
using  System;  
using  System.Collections;  
  
class  MainClass  {  
    public  static  void  Main()  {  
        //  create  an  array  list  
        ArrayList  al  =  new  ArrayList();  
          
        //  Add  elements  to  the  array  list  
        al.Add(155);  
        al.Add(413);  
        al.Add(-41);  
        al.Add(818);  
        al.Add(31);  
        al.Add(191);  
  
        Console.Write("Original  contents:  ");  
        foreach(int  i  in  al)  
            Console.Write(i  +  "  ");  
        Console.WriteLine("\n");  
  
        //  Sort  
        al.Sort();  
  
        //  Use  foreach  loop  to  display  the  list.  
        Console.Write("Contents  after  sorting:  ");  
        foreach(int  i  in  al)  
            Console.Write(i  +  "  ");  
        Console.WriteLine("\n");  
  
        Console.WriteLine("Index  of  413  is  "  +  al.BinarySearch(413));  
    }  
}
    
   
  
   

Original contents: 155 413 -41 818 31 191

Contents after sorting: -41 31 155 191 413 818

Index of 413 is 4

Related in same category :
• Get the number of elements
• Remove elements from ArrayList
• Capacity and element count
• Change contents using array indexing
• 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()