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详述.NET里class和 struct的异同！
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考题
有如下定义struct person{char name［9］;int age;};struct person class［10］={"John",17,"paul",19,"Mary",18,"Adam",16,};根据上述定义，能输出字母M的语句是A．printf（"%c＼n",class［3］.name）;B．printf（"%c＼n",class［3］.name［1］）;C．printf（"%c＼n",class［2］.name［1］）;D．printf（"%c＼n",class［2］.name［0］）;
考题
有如下定义： struct person {char name[9]；int age；} struct person class[10]＝{ "John"，17， "Paul"，19， "Mary"，18， "Adam"，16}； 能输出字母M的是( )A．printf("%c\n"，class[3].name)；B．printf("%c\n"，class[3].name[1])；C．printf("%c\n"，class[2].name[1])；D．printf("%c\n"，class[2].name[0])；
考题
a)Can a struct inherit from another struct?(结构体能继承结构体吗)b)Can a struct inherit from another class?(结构体能继承类吗)c)Can a struct be the base of another class?(结构体可以作为一个类的基类吗)d)Can a struct implement an interface?(结构体可以实现一个接口吗)e)What’s the difference between struct and class?(结构体与类有什么区别)
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What is the role of the DataReader class in ADO.NET connections?(DataReader在ADO.NET连接中起到什么样的角色)
考题
若有如下定义： struct stu{char name[9]；int age；float score；)； struct stu class[10]={{"Li",17,67},{"Song",19,80}, {"guo",18,79},{"Zhao",16,69}}; 根据上面的定义，若执行“printf("%s:%d%f",class[3].name,class[3].age,class[3].score);"则输出的正确结果是( )。A．Song:19,80.000000B．Zhao:16,69.000000C．Li:17,67Song;19,80D．guo:18,79Zhao;16,69
考题
根据下述定义,能输出字母M的语句是( )。struct person { char name[9]; int age;}class[10]={"Johu",17,"Paul",19,"Mary",18,"Adam",16};
A、prinft("%c\n",class[3].nane);B、pfintf("%c\n",class[3].name[1]);C、prinft("%c\n",class[2].name[1]);D、printf("%c\n",class[2].name[0])
考题
Which class defines the contract that ASP.NET implements to provide membership services using custom membership providers？（）A、FormsAuthenticationB、RoleProviderC、SqlRoleProviderD、MembershipProvider
考题
You are creating a Windows Forms application by using the .Net Framework 3.5.You plan to design a composite control for the application.You need to derive the control from a base class that supports templates.What should you do？（）A、Derive from the Control class.B、Derive from the UserControl class.C、Derive from the ScrollableControl class.D、Derive from the ContainerControl class.
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填空题使用class定义的表中，成员的默认访问权限是（）的；由struct定义的类中，成员的默认的访问权限是（）的。
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