建立 ArrayList 的同步包裝器
要為 ArrayList 建立同步包裝器,程式碼如下 −
示例
using 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 elements..."); foreach(string str in arrList) { Console.WriteLine(str); } Console.WriteLine("ArrayList is synchronized? = "+arrList.IsSynchronized); } }
輸出
將生成以下輸出 −
ArrayList elements... AB CD EF GH IJ KL ArrayList is synchronized? = False
示例
讓我們看另一個示例 −
using 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 elements..."); foreach(string str in arrList) { Console.WriteLine(str); } Console.WriteLine("ArrayList is synchronized? = "+arrList.IsSynchronized); ArrayList arrList2 = ArrayList.Synchronized(arrList); Console.WriteLine("ArrayList is synchronized? = "+arrList2.IsSynchronized); } }
輸出
將生成以下輸出 −
ArrayList elements... AB CD EF GH IJ KL ArrayList is synchronized? = False ArrayList is synchronized? = True
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