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單項(xiàng)選擇題

Your application uses two threads， named threadOne and threadTwo. You need to modify the code to prevent the execution of threadOne until threadTwo completes execution. What should you do？（）

A. Configure threadOne to run at a lower priority.
B. Configure threadTwo to run at a higher priority.
C. Use a WaitCallback delegate to synchronize the threads.
D. Call the Sleep method of threadOne.
E. Call the SpinLock method of threadOne.

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單項(xiàng)選擇題

你在 Certkiller.com 應(yīng)用程序的開(kāi)發(fā)工作，Certkiller.com，讓你在開(kāi)發(fā)應(yīng)用程序存儲(chǔ)和檢索的獨(dú)特的員工人數(shù)的工作人員的信息。您已經(jīng)編寫(xiě)下面的代碼將雇員對(duì)象存儲(chǔ)的目的。Employee e1 = new Employee (1001, "Andy Reid", "Manager"); Employee e2 = new Employee (1002, "Kara Lang", "Sales Engineer"); Dictionary eData = new Dictionary (); eData.Add (e1.ID, e1);eData.Add (e2.ID, e2);雇員的所有其他對(duì)象添加以相同的方式。您要顯示在字典集合中的所有鍵值對(duì)。你應(yīng)該做什么？（）

A.
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D.

單項(xiàng)選擇題

You work as the application developer at Cert-Tech.com. Cert-Tech.com uses Visual Studio.Net 2005 as its application development platform. You use a Windows XP Professional client computer named Client01 as your development computer.
You are developing a .Net Framework 2.0 application on Client01. You write the code shown below：Public Class Shape
Private shapeName as String
Public Sub Shape（ByVal shapeName as String） Me.shapename=shapeName End Sub
Public Overridable Fuction GetName（） As String Return shapeName End Function
Private Sub DrawShape（） ’Additional code goes here End Sub End Class
You later decide to have the application compiled and registered for COM interoperability. The other developers on your team complaing that they are unable to create an instance of the Shape class in their COM applications. You are required to ensure that COM applications are able to create an instance of the Shape class. What should you do？（）

A.A
B.B
C.C
D.D

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Your application uses two threads， named threadOne and threadTwo. You need to modify the code to prevent the execution of threadOne until threadTwo completes execution. What should you do？（）

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Your application uses two threads， named threadOne and threadTwo. You need to modify the code to prevent the execution of threadOne until threadTwo completes execution. What should you do？（）