public static void Main()
{
try
{
Stack<int> stack = new Stack<int>();
stack.Push(1);
stack.Push(2);
stack.Push(3);
stack.Push(4);
stack.Push(5);
int[] array = stack.ToArray();
Console.WriteLine(string.Join(", ", array));
Console.WriteLine(stack.Peek());
Console.WriteLine(stack.Pop());
Console.WriteLine(stack.Contains(0));
stack.Clear();
Console.WriteLine(stack.Peek());
}
catch (ArgumentNullException aex)
{
Console.WriteLine(aex.TargetSite + " -> " + aex.Message);
}
}
static void Main(string[] args)
{
Stack<int> test = new Stack<int>();
test.Push(1);
test.Push(2);
test.Push(3);
test.Push(4);
test.Push(5);
test.Push(6);
test.Push(7);
Console.WriteLine(test.Contains(2));
}