示例#1
0
        static void Main(string[] args)
        {
            int    id, choice;
            string name;

            Console.Write("Enter intial size of table : ");
            int size = Convert.ToInt32(Console.ReadLine());

            HashTable table = new HashTable(size);

            while (true)
            {
                Console.WriteLine("1.Insert a record");
                Console.WriteLine("2.Search a record");
                Console.WriteLine("3.Delete a record");
                Console.WriteLine("4.Display table");
                Console.WriteLine("5.Exit");

                Console.Write("Enter your choice : ");
                choice = Convert.ToInt32(Console.ReadLine());

                if (choice == 5)
                {
                    break;
                }
                switch (choice)
                {
                case 1:
                    Console.Write("Enter student id : ");
                    id = Convert.ToInt32(Console.ReadLine());
                    Console.Write("Enter student name : ");
                    name = Console.ReadLine();
                    studentRecord aRecord = new studentRecord(id, name);
                    table.Insert(aRecord);
                    break;

                case 2:
                    Console.Write("Enter a key to be searched : ");
                    id      = Convert.ToInt32(Console.ReadLine());
                    aRecord = table.Search(id);
                    if (aRecord == null)
                    {
                        Console.WriteLine("Key not found");
                    }
                    else
                    {
                        Console.WriteLine(aRecord.tostring());
                    }
                    break;

                case 3:
                    Console.Write("Enter a key to be deleted : ");
                    id = Convert.ToInt32(Console.ReadLine());
                    table.Delete(id);
                    break;

                case 4:
                    table.DisplayTable();
                    break;
                }
            }
        }