有下列程序: Option Base 0 Private Sub Command1_Click() Dim City As Variant x = Array("Visual","Basic","Microsoft","Programming") Print x(2) End Sub 程序运行后,单击命令按钮,则在窗体上显示的内容是
A.Microson
B.错误提示
C.Visual
D.Basic
第1题:
此题为判断题(对,错)。
第2题:
在下列的程序的横线处填上适当的语句,使该程序的输出为12。
include<iostream.h>
using namespace std;
class Base
{
public:
int a,b;
Base(int i){a=i;}
};
class Derived:public Base
{
int a;
public:
Derived(int x):Base(x),b(x+1){};
void show()
{
第3题:
有以下程序 #include<iostream> using namespace std; class Base { private: char c; public: Base(char n):c(n){} ~Base() { cout<<c; } }; class Derived:public Base { private: char c; public: Derived(char n):Base(n+1),c(n){} ~Derived() { cout<<c; } }; int main() { Derived obj('x'); return 0; } 执行后的输出结果是
A.xy
B.yx
C.x
D.y
第4题:
有以下程序: #inClUde <iostream> using namespace std; Class Base { public: Base(int x) { a=x; } void show() { cout<<a; } private: int a; }; class Derived : public Base { public: Derived(int i) :Base(i+1),b(i){} void Show() { cout<<b; } private: int b; }; int main() { Base b(5),*pb; Derived d(1); pb=&d; pb->show(); return 0; } 运行后的输出结果是( )。
A.1
B.5
C.2
D.0
第5题:
有以下程序#include <iostream>using namespace std:class Base{private: char c;public: Base(char n) :c(n) {} ~Base ( ) { cout<<c; }}; class Derived : public Base{private: char c;public: Derived(char n):Base (n+1),c(n) {} ~Derived() { cout<<c; }};int main(){ Derived obj('x'); return 0;} 执行后的输出结果是
A.xy
B.yx
C.x
D.y
第6题:
在窗体上面一个名称为Commandl的命令按钮,然后编写如下程序: Option.Base 1 Private Sub Command1_Click() Dim a As Variant a=Array(1,2,3,4,5) Sum = 0 For i = 1 To 5 Sum=Sum+a(i) Next i x=Sum/5 For i=1 To 5 If a(i) >x Then Print a(i); Next i End Sub 程序运行后,单击命令按钮,在窗体上显示的内容是
A.1 2
B.1 2 3
C.3 4 5
D.4 5
第7题:
有以下程序
include <iostream>
using namespace std;
class Base
{
int a;
public:
Base(int x){ a=x; }
void show(){ cout<<a; }
class Derived : public Base
{
int b;
public:
Derived(int i) :Base(i+1),b(i){}
void show() { cout<<b;
};
int main ()
{
Base b(5),*pb;
Derived d(1);
pb=&d;
pb->show ();
return 0;
}
运行后的打印结果是______。
第8题:
有以下程序:
include<iostream>
using namespace std;
class Base
{
public:
Base()
{
K=0;
}
int x;
};
class Derivedl:virtual public Base
{
public:
Derivedl()
{
x=10;
}
};
class Derived2:virtua1 public Base
第9题:
有以下程序:
included<iostream>
using namespace std;
class Base
{
public:
Base( )
{
x=0;
}
int x;
};
class Derived1:virtual public Base
{
public:
Derived1( )
{
x=10;
}
};
class Derived2:virtual public Base
{
public:
Derived2( )
{
x=20;
}
};
class Derived: public Derived1,protected Derived2
{ };
int main( )
{
Derived obj;
cout<<obj. x<<endl;
return 0;
}
该程序运行后的输出结果是______。