using System;
using System.Collections.Generic;
public class Bag {
private List items = new List();
public void Add(T item) {
items.Add(item);
}
public T Remove() {
T item = default(T);
if (items.Count != 0) {
Random r = new Random();
int num = r.Next(0, items.Count);
item = items[num];
items.RemoveAt(num);
}
return item;
}
public T[] RemoveAll() {
T[] i = items.ToArray();
items.Clear();
return i;
}
}
public class MainClass {
public static void Main(string[] args) {
Bag bag = new Bag();
bag.Add("D");
bag.Add("B");
bag.Add("G");
bag.Add("M");
bag.Add("N");
bag.Add("I");
Console.WriteLine("Item 1 = {0}", bag.Remove());
Console.WriteLine("Item 2 = {0}", bag.Remove());
Console.WriteLine("Item 3 = {0}", bag.Remove());
Console.WriteLine("Item 4 = {0}", bag.Remove());
string[] s = bag.RemoveAll();
}
}