Imports System

Public Class TrimTest
    
    Public Shared Sub Main()
        Dim temp As String() = MakeArray()
        
        
        Console.WriteLine("Concatenating the inital values in the array, we get the string:")
        Console.WriteLine("'{0}'{1}", [String].Concat(temp), Environment.NewLine)
        Dim i As Integer
        
        ' trim whitespace from both ends of the elements
        For i = 0 To temp.Length - 1
            temp(i) = temp(i).Trim()
        
        Next i
        Console.WriteLine("Concatenating the trimmed values in the array, we get the string:")
        Console.WriteLine("'{0}'{1}", [String].Concat(temp), Environment.NewLine)
        
        ' reset the array
        temp = MakeArray()
        
        ' trim the start of the elements. Passing null trims whitespace only
        For i = 0 To temp.Length - 1
            temp(i) = temp(i).TrimStart(" "c)
        Next i

        Console.WriteLine("Concatenating the start-trimmed values in the array, we get the string:")
        Console.WriteLine("'{0}'{1}", [String].Concat(temp), Environment.NewLine)

        ' reset the array
        temp = MakeArray()

        ' trim the end of the elements. Passing null trims whitespace only
        For i = 0 To temp.Length - 1
            temp(i) = temp(i).TrimEnd(" "c)
        Next i

        Console.WriteLine("Concatenating the end-trimmed values in the array, we get the string:")
        Console.WriteLine("'{0}'", [String].Concat(temp))
    End Sub 'Main

    Private Shared Function MakeArray() As String()
        Dim arr As String() = {"  please    ", "  tell    ", "  me    ", "  about    ", "  yourself    "}
        Return arr
    End Function 'MakeArray
End Class 'TrimTest

import System.*;

public class TrimTest
{
    public static void main(String[] args)
    {
        String temp[] = MakeArray();

        Console.WriteLine("Concatenating the inital values in the array," 
            + " we get the string:");
        Console.WriteLine("'{0}'{1}", String.Concat(temp),
            Environment.get_NewLine());
        // trim whitespace from both ends of the elements
        for (int i = 0; i < temp.get_Length(); i++) {
            temp.set_Item(i, temp[i].Trim());
        }
        Console.WriteLine("Concatenating the trimmed values in the array," 
            + " we get the string:");
        Console.WriteLine("'{0}'{1}", String.Concat(temp), 
            Environment.get_NewLine());
        // reset the array
        temp = MakeArray();
        // trim the start of the elements. Passing null trims whitespace only
        for (int i = 0; i < temp.get_Length(); i++) {
            temp.set_Item(i, temp[i].TrimStart(null));
        }
        Console.WriteLine("Concatenating the start-trimmed values in the " 
            + "array, we get the string:");
        Console.WriteLine("'{0}'{1}", String.Concat(temp), 
            Environment.get_NewLine());
        // reset the array
        temp = MakeArray();
        // trim the end of the elements. Passing null trims whitespace only
        for (int i = 0; i < temp.get_Length(); i++) {
            temp.set_Item(i, temp[i].TrimEnd(null));
        }
        Console.WriteLine("Concatenating the end-trimmed values in the array," 
            + " we get the string:");
        Console.WriteLine("'{0}'", String.Concat(temp));
    } //main

    private static String[] MakeArray()
    {
        String arr[] =  { "  please    ", "  tell    ", "  me    ", 
            "  about    ", "  yourself    " };
        return arr;
    } //MakeArray
} //TrimTest