class A { A() { } } class B extends A { } Which two statements are true?()
第1题:
下面程序输出的结果为 #include"iostream.h" class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASSB"<<endl;} ~B() {} }; void main() { A * p; p=new B; B *q; q=new B; }
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A CLASS B CLASS A CLASS B
D.CLASS A CLASS B CLASS B CLASS B
第2题:
Class a = new Class(); Class b = new Class();
if(a == b) returns true or false, why?
第3题:
A.public class MinMax<?> {
B.public class MinMax<? extends Number> {
C.public class MinMax<N extends Object> {
D.public class MinMax<N extends Number> {
E.public class MinMax<? extends Object> {
F.public class MinMax<N extends Integer> {
第4题:
A.ClassA
B.Class1
C.Class2
D.Class3
E.Class4
第5题:
下面程序输出的结果为( )。 #inClUde”iostream.h” Class A {public: A(){cout<<“CLASS A”<<endl;} ~A()<)}; class B:public A {public: B(){cout<<”CLASSB”<<endl;} ~B(){}}; void main() {A*p; p=new B; B *q; q=new B;}
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A ClASS B
D.CLASS A CLASS B CLASS A CLASS B CLASS B CLASS B
第6题:
下面程序输出的结果为
#include"iostream.h"
class A
{
public:
A( ){cout<<"CLASS A"<<endl;}
~A( ){}
};
class B:public A
{
public:
B( ){cout<<"CLASS B"<<endl;}
~B( ){}
};
void main( )
{
A*p;
p=new B;
B *q;
q=new B;
}
A.CLASS A CLASS B
B.CLASS A CLASS B CLASS B
C.CLASS A CLASS B CLASS A CLASS B
D.CLASS A CLASS B CLASS B CLASS B
第7题:
下面程序输出的结果为 #include"iostream.h” class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASS B"<<endl;} ~B(){} }; void main() { A*p; p=new B;
A.CLASS A CLASS B CLASS B CLASS B
B.CLASS A CLASS B CLASS A CLASS B
C.CLASS A CLASS B CLASS B
D.CLASS A CLASS B
第8题:
A.ConfigureaWorkManagerforpremiumuserswithaMinimumThreadConstraint.
B.ConfigureaWorkManagerforpremiumuserswithahigherfair-share-request-class.
C.ConfigureaWorkManagerforpremiumuserswithahigherresponse-time-request-class.
D.ConfigureaWorkManagergeneraluserswithaMaximumThreadConstraint.
E.ConfigureaWorkManagerforpremiumuserswithacustomrequest-class.
第9题:
对于下面( )类定义,可以通过“newJ_Class()”生成类J_Class的实例对象。
A、publicclassJ_Class{
publicJ_Class(void){}
}
B、publicclassJ_Class{}
C、publicclassJ_Class{
publicJ_Class(Strings){}
}
D、publicclassJ_Class{
publicvoidJ_Class(){}
publicJ_Class(Strings){}
第10题:
Which class of Cisco access points operate under IEEE 802.3af power?()