要创建一个具有指定大小写敏感性的空HybridDictionary，代码如下所示：示例 在线演示使用 System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main() { HybridDictionary myDict = new HybridDictionary(); myDict.Add("A", "AB"); myDict.Add("B", "BC"); myDict.Add("C", "DE"); myDict.Add("D", "FG"); myDict.Add("e", "fg"); Console.WriteLine("键值对..."); foreach(DictionaryEntry de in myDict) Console.WriteLine("键 = "+de.Key + ", 值 = " + de.Value); } }输出这将产生以下输出：键值对... 键 = A, ... 阅读更多

要创建一个空的大小写敏感的HybridDictionary，代码如下所示：示例 在线演示使用 System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main() { HybridDictionary dict = new HybridDictionary(false); dict.Add("A", "AB"); dict.Add("B", "BC"); dict.Add("C", "DE"); dict.Add("D", "de"); Console.WriteLine("键值对..."); foreach(DictionaryEntry de in dict) Console.WriteLine("键 = "+de.Key + ", 值 = " + de.Value); } }输出这将产生以下输出：键值对... 键 = A, 值 = AB 键 = B, 值 = BC 键 = C, 值 = DE 键 = D, 值 = de示例让我们 ... 阅读更多

要创建一个具有指定初始容量的ArrayList，代码如下所示：示例 在线演示使用 System; using System.Collections; public class Demo { public static void Main(String[] args) { ArrayList list1 = new ArrayList(5); list1.Add("A"); list1.Add("B"); list1.Add("C"); list1.Add("D"); Console.WriteLine("ArrayList1的容量 = "+list1.Capacity); Console.WriteLine("ArrayList1中的元素..."); foreach (string res in list1) { Console.WriteLine(res); } ArrayList list2 = new ArrayList(10); list2.Add("A"); ... 阅读更多

要为Hashtable创建一个同步包装器，代码如下所示：示例 在线演示使用 System; using System.Collections; public class Demo { public static void Main() { Hashtable hash = new Hashtable(); hash.Add("1", "AB"); hash.Add("2", "CD"); hash.Add("3", "EF"); hash.Add("4", "GH"); hash.Add("5", "IJ"); hash.Add("6", "KL"); Console.WriteLine("Hashtable元素..."); foreach(DictionaryEntry d in hash) { Console.WriteLine("键 = "+d.Key + ", 值 = " + d.Value); } ... 阅读更多

要为ArrayList创建一个同步包装器，代码如下所示：示例 在线演示使用 System; using System.Collections; public class Demo { public static void Main() { ArrayList arrList = new ArrayList(); arrList.Add("AB"); arrList.Add("CD"); arrList.Add("EF"); arrList.Add("GH"); arrList.Add("IJ"); arrList.Add("KL"); Console.WriteLine("ArrayList元素..."); foreach(string str in arrList) { Console.WriteLine(str); } Console.WriteLine("ArrayList是否同步？ = "+arrList.IsSynchronized); } }输出这将产生以下输出：ArrayList元素... AB ... 阅读更多

要检查ArrayList是否具有固定大小，代码如下所示：示例 在线演示使用 System; using System.Collections; public class Demo { public static void Main(String[] args) { ArrayList list1 = new ArrayList(); list1.Add("One"); list1.Add("Two"); list1.Add("Three"); list1.Add("Four"); list1.Add("Five"); Console.WriteLine("ArrayList中的元素..."); foreach (string res in list1) { Console.WriteLine(res); } ArrayList list = ArrayList.Synchronized(list1); Console.WriteLine("ArrayList是否同步？ = "+list.IsSynchronized); ... 阅读更多

要检查ArrayList是否已同步，代码如下所示：示例 在线演示使用 System; using System.Collections; public class Demo { public static void Main(String[] args) { ArrayList list1 = new ArrayList(); list1.Add("A"); list1.Add("B"); list1.Add("C"); list1.Add("D"); list1.Add("E"); list1.Add("F"); list1.Add("G"); list1.Add("H"); list1.Add("I"); Console.WriteLine("ArrayList1中的元素..."); foreach (string res in list1) { Console.WriteLine(res); } ArrayList list2 ... 阅读更多

要检查StringDictionary是否已同步，代码如下所示：示例 在线演示使用 System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main() { StringDictionary strDict1 = new StringDictionary(); strDict1.Add("A", "John"); strDict1.Add("B", "Andy"); strDict1.Add("C", "Tim"); strDict1.Add("D", "Ryan"); strDict1.Add("E", "Kevin"); strDict1.Add("F", "Katie"); strDict1.Add("G", "Brad"); Console.WriteLine("StringDictionary1元素..."); foreach(DictionaryEntry de in strDict1) { Console.WriteLine(de.Key + " " + de.Value); } ... 阅读更多

要检查 SortedList 对象是否已同步，代码如下：示例 实时演示 using System; using System.Collections; public class Demo { public static void Main() { SortedList list = new SortedList(); list.Add("1", "One"); list.Add("2", "Two"); list.Add("3", "Three"); list.Add("4", "Four"); list.Add("5", "Five"); list.Add("6", "Six"); list.Add("7", "Seven"); list.Add("8", "Eight"); Console.WriteLine("SortedList 的键和值...."); foreach(DictionaryEntry k in list ) Console.WriteLine("键: ... 阅读更多

要检查 ListDictionary 是否具有固定大小，代码如下：示例 实时演示 using System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main() { ListDictionary dict1 = new ListDictionary(); dict1.Add("A", "Books"); dict1.Add("B", "Electronics"); dict1.Add("C", "Smart Wearables"); dict1.Add("D", "Pet Supplies"); dict1.Add("E", "Clothing"); dict1.Add("F", "Footwear"); Console.WriteLine("ListDictionary1 元素..."); foreach(DictionaryEntry d in dict1) { Console.WriteLine(d.Key + " " + d.Value); } ... 阅读更多