private static void StackOperation()
{
DataStructure.Stack <string> stack = new DataStructure.Stack <string>();
stack.Push("1");
Console.WriteLine(stack.Peek());
stack.Push("3");
Console.WriteLine(stack.Peek());
stack.Pop();
Console.WriteLine(stack.Peek());
}
/// <summary>
/// using Stack
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string ReverseString(string str)
{
string reversedString = "";
DataStructure.Stack <char> chars = new DataStructure.Stack <char>(str.Length);
foreach (char t in str)
{
chars.Push(t);
}
while (!chars.IsEmpty())
{
reversedString += chars.Pop();
}
return(reversedString);
}