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C# 2 一、泛型 使用泛型(generic type)可以在編寫在編譯時類型安全的通用程式碼,無須事先知道要使用的具體類型。 示例1: array類型: 大小需預先設定,若要添加需要重新分配 public static void Main(string[] args) { PrintNames(GenerateNames()); } public static void PrintNames(string[] names) { foreach (string name in names) { Console.WriteLine(name); } } public static string[] GenerateNames() { string[] names = new string[4]; names[0] = "Mike"; names[1] = "Rain"; names[2] = "Jessica"; names[3] = "Billy"; return names; } 示例2: ArrayList類型: ArrayList.Add是Object的方法,但如果塞入不適合的參...