static void Main(string[] args) { //string str; //do //{ // Parentheses(); // Console.WriteLine("enter 'c' continue to testing:"); // str = Console.ReadLine(); //} while (str == "c"); Queue queue = new Queue(10); queue.Enqueus(1); queue.Enqueus(2); queue.Enqueus(3); Queue clonequeue = queue.Clone(); int j = clonequeue.tail; for (int i = 0; i < j; i++) { Console.WriteLine(clonequeue.Dequeue()); } Console.ReadLine(); }