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class Order implements Runnable ｛  public void run（） ｛  try ｛ Thread.sleep（2000）； ｝ catch （Exception e） ｛ ｝  System.out.print（"in "）；  ｝  public static void main（String [] args） ｛  Thread t ＝ new Thread（new Order（））；  t.start（）；  System.out.print（"pre "）

题目

class Order implements Runnable ｛  public void run（） ｛  try ｛ Thread.sleep（2000）； ｝ catch （Exception e） ｛ ｝  System.out.print（"in "）；  ｝  public static void main（String [] args） ｛  Thread t ＝ new Thread（new Order（））；  t.start（）；  System.out.print（"pre "）；  try ｛ t.join（）； ｝ catch （Exception e） ｛ ｝  System.out.print（"post "）；  ｝ ｝  可产生哪两项结果？（）

  • A、in pre
  • B、pre in
  • C、in pre post
  • D、pre in post
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更多“class Order implement”相关问题

  • 第1题：

    What are two functions of the RE?（）

    • A、to maintain routing tables
    • B、to forward traffic toward its destination
    • C、to manage the PFE
    • D、to implement various services such as policing, stateless firewall filtering, and class of service

    正确答案:A,C

  • 第2题：

    可用于定义新线程类的方法有（）。

    • A、implement the Runnable interface
    • B、add a run（）method in the class
    • C、create an instance of Thread
    • D、extend the Thread class

    正确答案:A,D

  • 第3题：

    Which statements about inheritance are true？（）         

    • A、 In Java programming language only allows single inheritance.
    • B、 In Java programming language allows a class to implement only one interface.
    • C、 In Java programming language a class cannot extend a class and implement a interface together.
    • D、 In Java programming language single inheritance makes code more reliable.

    正确答案:A,D

  • 第4题：

    Given a class whose instances， when found in a collection of objects， are sorted by using the compareTo（） method， which two statements are true？（）

    • A、The class implements java.lang.Comparable.
    • B、The class implements java.util.Comparator.
    • C、The interface used to implement sorting allows this class to define only one sort sequence.
    • D、The interface used to implement sorting allows this class to define many different sort sequences.

    正确答案:A,C

  • 第5题：

    You are developing a Web application to display products. Products are displayed on different pages on your Web site. You want to create a user control to manage the display of products. You need a default visual implementation of the UI of the user control. In addition, you need to provide developers with the flexibility to change the layout and controls of the UI. Which three actions should you perform? （）

    • A、Apply the TemplateContainerAttribute to a property of type ITemplate. Pass the type of the template's naming container as the argument to the attribute.
    • B、Apply the TemplateContainerAttribute to the user control's class declaration.
    • C、Implement a property of type INamingContainer in the user control's code-behind class.
    • D、Implement a property of type ITemplate in the user control's code-behind class.
    • E、Define a new class that inherits from the ITemplate interface. Implement the InstantiateIn method of the ITemplate interface.

    正确答案:A,D,E

  • 第6题：

    You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList. You need to ensure that changes to ProductList are automatically reflected in the ListBox control. What should you do? （）

    • A、  Implement the INotifyPropertyChanged interface in the Product class.
    • B、  Implement the IQueryable<Product> interface in the ProductList class.
    • C、  Extend the DependencyObject class in the Product class.
    • D、 Extend the ObservableCollection<Product> class in the ProductList class.

    正确答案:D

  • 第7题：

    单选题
    You are creating a Windows Communication Foundation （WCF） service to process orders. The data contract for the order is defined as follows. [DataContract] public class Order {  [DataMember] public string CardHolderName { get； set； [DataMember] public string CreditCardNumber { get； set； } }You have the following requirements：  "Enable the transmission of the contents of Order from the clients to the service. "Ensure that the contents of CreditCardNumber are not sent across the network in clear text. "Ensure that the contents of CreditCardNumber are accessible by the service to process the order. You need to implement the service to meet these requirements. What should you do？（） For interactive and self-paced preparation of exam 70-513， try our practice exams. Practice exams also include self assessment and reporting features!
    A

     Add a DataProtectionPermission attribute to the CreditCardNumber property and set the ProtectData property to true.

    B

     Convert the DataContract to a MessageContract and set the ProtectionLevel property to SignAndEncrypt.

    C

     Change the data type of CreditCardNumber from string to SecureString.

    D

     Implement the CreditCardNumber property getter and setter.


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    In your web application，you need to execute a block of code whenever the session object is first created. Which design will accomplish this goal？（）
    A

    Create an HttpSessionListener class and implement the sessionInitialized method with that block ofcode.

    B

    Create an HttpSessionActivationListener class and implement the sessionCreated method with thatblock of code.

    C

    Create a Filter class， call the getSession（false） method， and if the result was null， then execute that block of code.

    D

    Create an HttpSessionListener class and implement the sessionCreated method with that block of code.


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    Which class provides paging functionality for data-bound controls that implement the IPageableItemContainer interface？（）
    A

    DataPagingField

    B

    DataPagerCollection

    C

    DataPager

    D

    DataPaging


    正确答案： B
    解析： 暂无解析

  • 第10题：

    多选题
    A custom JSP tag must be able to support an arbitrary number of attributes whose names are unknown when the tag class is designed.  Which two are true？ （）
    A

    A  element in the echo tag LTD must have the value JSP

    B

    The echo tag handler must define the setAttribute （String key， String value） method

    C

    The true element must appear in the echo tag TLD

    D

    The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.IterationTag interface

    E

    The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.DynamicAttributes interface


    正确答案： E,B
    解析： 暂无解析

  • 第11题：

    多选题
    Given a class whose instances， when found in a collection of objects， are sorted by using the compareTo（） method， which two statements are true？（）
    A

    The class implements java.lang.Comparable.

    B

    The class implements java.util.Comparator.

    C

    The interface used to implement sorting allows this class to define only one sort sequence.

    D

    The interface used to implement sorting allows this class to define many different sort sequences.


    正确答案： C,A
    解析： 暂无解析

  • 第12题：

    单选题
    Which statement is true？（）
    A

     An anonymous inner class may be declared as final.

    B

     An anonymous inner class can be declared as private.

    C

     An anonymous inner class can implement multiple interfaces.

    D

     An anonymous inner class can access final variables in any enclosing scope.

    E

     Construction of an instance of a static inner class requires an instance of the enclosing outer class.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which interface must a class implement so that instances of the class are notified after any object is addedto a session？（）

    • A、javax.servlet.http.HttpSessionListener
    • B、javax.servlet.http.HttpSessionValueListener
    • C、javax.servlet.http.HttpSessionBindingListener
    • D、javax.servlet.http.HttpSessionAttributeListener

    正确答案:D

  • 第14题：

    Voice quality is bad due to high delay and jitter on a link. Which two actions will improve the quality  of voice calls？（）

    • A、Increase the queue size of the voice class.
    • B、Guarantee bandwidth during congestion to the voice class with a bandwidth command.
    • C、Increase the tx-ring of the egress interface.
    • D、Implement LLQ for the voice class.
    • E、Decrease the rx-ring of the egress interface.
    • F、Decrease the queue size of the voice class.

    正确答案:D,F

  • 第15题：

    Which statement is true？（）

    • A、 An anonymous inner class may be declared as final.
    • B、 An anonymous inner class can be declared as private.
    • C、 An anonymous inner class can implement multiple interfaces.
    • D、 An anonymous inner class can access final variables in any enclosing scope.
    • E、 Construction of an instance of a static inner class requires an instance of the enclosing outer class.

    正确答案:D

  • 第16题：

    You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5. The following markup should be added to a page：   The Question control is a custom server control that originates from the WebControl. This controldoes not implement any interfaces. The following characteristics are applied to the control’s class：ToolboxData， Designer， and DefaultProperty. You have to make sure that the Question control is able to participate in server-side validation onthis page. What should you do？（）

    • A、You should consider modifying the Question control’s class in order to implement IValidator.
    • B、You should consider setting the ValidationGroup property of the RequiredFieldValidator controlto UserControl.
    • C、You should apply the ValidationProperty feature to the Question control’s class.
    • D、You should consider setting the InitialValue property of the RequiredFieldValidator control to anempty string.

    正确答案:C

  • 第17题：

    You are creating a Windows Communication Foundation (WCF) service to process orders.The data contract for the order is defined as follows:[DataContract]public class Order{ [DataMember] public string CardHolderName { get; set; } [DataMember] public string CreditCardNumber { get; set; }}You have the following requirements: Enable the transmission of the contents of Order from the clients to the service. Ensure that the contents of CreditCardNumber are not sent across the network in clear text. Ensure that the contents of CreditCardNumber are accessible by the service to process the order.You need to implement the service to meet these requirements. What should you do?（）

    • A、Add a DataProtectionPermission attribute to the CreditCardNumber property and set the ProtectData property to true.
    • B、Convert the DataContract to a MessageContract and set the ProtectionLevel property to SignAndEncrypt.
    • C、Change the data type of CreditCardNumber from string to SecureString.
    • D、Implement the CreditCardNumber property getter and setter In the setter, run the value of the CreditCardNumber through the MD5CryptoServiceProvider class TransformBlock method.

    正确答案:B

  • 第18题：

    单选题
    Your web application requires the adding and deleting of many session attributes during a complex usecase. A bug report has come in that indicates that an important session attribute is being deleted too soonand a NullPointerException is being thrown several interactions after the fact. You have decided to create asession event listener that will log when attributes are being deleted so you can track down when theattribute is erroneously being deleted. Which listener class will accomplish this debugging goal？（）
    A

    Create an HttpSessionAttributeListener class and implement the attributeDeleted method and log the attribute name using the getName method on the event object.

    B

    Create an HttpSessionAttributeListener class and implement the attributeRemoved method and log the attribute name using the getName method on the event object.

    C

    Create an SessionAttributeListener class and implement the attributeRemoved method and log the attribute name using the getAttributeName method on the event object.

    D

    Create an SessionAttributeListener class and implement the attributeDeleted method and log the attribute name using the getAttributeName method on the event object.


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    Which interface must a class implement so that instances of the class are notified after any object is added to a session？ （）
    A

     javax.servlet.http.HttpSessionListener

    B

     javax.servlet.http.HttpSessionValueListener

    C

     javax.servlet.http.HttpSessionBindingListener

    D

     javax.servlet.http.HttpSessionAttributeListener


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    You are creating a Windows Communication Foundation (WCF) service to process orders.The data contract for the order is defined as follows:[DataContract]public class Order{ [DataMember] public string CardHolderName { get; set; } [DataMember] public string CreditCardNumber { get; set; }}You have the following requirements: Enable the transmission of the contents of Order from the clients to the service. Ensure that the contents of CreditCardNumber are not sent across the network in clear text. Ensure that the contents of CreditCardNumber are accessible by the service to process the order.You need to implement the service to meet these requirements. What should you do?（）
    A

    Add a DataProtectionPermission attribute to the CreditCardNumber property and set the ProtectData property to true.

    B

    Convert the DataContract to a MessageContract and set the ProtectionLevel property to SignAndEncrypt.

    C

    Change the data type of CreditCardNumber from string to SecureString.

    D

    Implement the CreditCardNumber property getter and setter In the setter, run the value of the CreditCardNumber through the MD5CryptoServiceProvider class TransformBlock method.


    正确答案： A
    解析： 暂无解析

  • 第21题：

    多选题
    You want to create a filter for your web application and your filter will implement javax.servlet.Filter. Which two statements are true？（）
    A

    Your filter class must implement an init method and a destroy method.

    B

    Your filter class must also implement javax.servlet.FilterChain.

    C

    When your filter chains to the next filter， it should pass the same arguments it received in its doFiltermethod.

    D

    The method that your filter invokes on the object it received that implements javax.servlet.FilterChaincan invoke either another filter or a servlet.

    E

    Your filter class must implement a doFilter method that takes， among other things， anHTTPServletRequest object and an HTTPServletResponse object.


    正确答案： C,B
    解析： 暂无解析

  • 第22题：

    多选题
    Which statements about inheritance are true？（）
    A

    In Java programming language only allows single inheritance.

    B

    In Java programming language allows a class to implement only one interface.

    C

    In Java programming language a class cannot extend a class and implement a interface together.

    D

    In Java programming language single inheritance makes code more reliable.


    正确答案： D,C
    解析： 在java中一个类只能有一个直接父类，但是可以实现多个接口，在继承的同时可以实现接口，之所以取消多继承的原因是多继承使得代码产生很多问题,而使用单一继承则可以使代码更可靠。

  • 第23题：

    单选题
    You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList. You need to ensure that changes to ProductList are automatically reflected in the ListBox control. What should you do? （）
    A

      Implement the INotifyPropertyChanged interface in the Product class.

    B

      Implement the IQueryable<Product> interface in the ProductList class.

    C

      Extend the DependencyObject class in the Product class.

    D

     Extend the ObservableCollection<Product> class in the ProductList class.


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    Which interface must a class implement so that instances of the class are notified after any object is addedto a session？（）
    A

    javax.servlet.http.HttpSessionListener

    B

    javax.servlet.http.HttpSessionValueListener

    C

    javax.servlet.http.HttpSessionBindingListener

    D

    javax.servlet.http.HttpSessionAttributeListener


    正确答案： A
    解析： 暂无解析

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