Created
May 5, 2013 16:51
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class Program | |
{ | |
static void Main(string[] args) | |
{ | |
new SharedStateDemo().Run(); | |
Console.ReadLine(); | |
} | |
} | |
public class SharedStateDemo | |
{ | |
private int itemCount = 0; // 已加入購物車的商品數量。 | |
public void Run() | |
{ | |
var t1 = new Thread(AddToCart); | |
var t2 = new Thread(AddToCart); | |
t1.Start(300); | |
t2.Start(100); | |
} | |
private void AddToCart(object simulateDelay) | |
{ | |
itemCount++; | |
/* | |
* 用 Thread.Sleep 來模擬這項工作所花的時間,時間長短 | |
* 由呼叫端傳入的 simulateDelay 參數指定,以便藉由改變 | |
* 此參數來觀察共享變數值的變化。 | |
*/ | |
Thread.Sleep((int)simulateDelay); | |
Console.WriteLine("Items in cart: {0}", itemCount); | |
} | |
} |
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