獲取或設定 C# 中帶有指定鍵的 HybridDictionary 中的值
要獲取或設定具有指定鍵的 HybridDictionary 中的值,程式碼如下 -
示例
using System; using System.Collections.Specialized; public class Demo { public static void Main() { HybridDictionary myDict = new HybridDictionary(); myDict.Add("1", "Tablet"); myDict.Add("2", "Desktop"); myDict.Add("3", "Speakers"); myDict.Add("4", "Laptop"); myDict.Add("5", "Notebook"); myDict.Add("6", "Ultrabook"); myDict.Add("7", "HDD"); myDict.Add("8", "SDD"); Console.WriteLine("Value at key 5 = "+myDict["5"]); } }
輸出
這將產生以下輸出 -
Value at key 5 = Notebook
示例
我們來看另一個示例 -
using System; using System.Collections.Specialized; public class Demo { public static void Main() { HybridDictionary myDict = new HybridDictionary(); myDict.Add("1", "Tablet"); myDict.Add("2", "Desktop"); myDict.Add("3", "Speakers"); myDict.Add("4", "Laptop"); myDict.Add("5", "Notebook"); myDict.Add("6", "Ultrabook"); myDict.Add("7", "HDD"); myDict.Add("8", "SDD"); Console.WriteLine("Value at key 5 = "+myDict["5"]); myDict["5"] = "Smart Watches"; Console.WriteLine("Value at key 5 [UPDATED] = "+myDict["5"]); } }
輸出
這將產生以下輸出 -
Value at key 5 = Notebook Value at key 5 [UPDATED] = Smart Watches
示例
我們來看另一個示例 -
using System; using System.Collections; public class Demo { public static void Main() { Queue queue = new Queue(); queue.Enqueue(100); queue.Enqueue(200); queue.Enqueue(300); queue.Enqueue(400); queue.Enqueue(500); Console.WriteLine("Queue..."); foreach(Object ob in queue) { Console.WriteLine(ob); } Console.WriteLine("Count of elements = "+queue.Count); Console.WriteLine("Synchronize access..."); lock(queue.SyncRoot) { foreach(Object ob in queue) { Console.WriteLine(ob); } } } }
輸出
這將產生以下輸出 -
Queue... 100 200 300 400 500 Count of elements = 5 Synchronize access... 100 200 300 400 500
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