更多"为完成下面的程序,应在划线处填入的语句是( )。 #include"的相关试题:
[单项选择]为完成下面的程序,应在划线处填入的语句是 #include<iostream> using namespace std; class Base { private: int x; public: Base (int i) { x=i; } ~Base( ){} }; class Derived:public Base { public: ______________//完成类Derive构造函数的定义 }; int main( ) { Derived Obj; return 0; }
A. Derived(int :Base({}
B. Derived(){}
C. void Derived (int :Base({}
D. Derived(int {Base(;}
[单项选择]为完成下面的程序,应在划线处填入的语句是( )。 #include <iostream> using namespace std; class Base { private: int x; public: Base(int i) { x=i; } ~Base( ){} }; class Derived : public Base { public: _______________ //完成类Derive构造函数的定义 }; int main( ) { Derived Obj; return 0; }
A. Derived(int :Base({}
B. Derived(){}
C. voidDerived(int :Base(0){}
D. Derived(int {Base(;}
[单项选择]应在下列程序画线处填入的正确语句是 ( )。
#include <iostream>
using namespace std;
clas Base
public:
void fun( )
cout<<"Base::fun"<<end1;
;
class Derived : public Base
void fun( )
________________//显示调用基类的函数 fun( )
cout<<"Derived::fun"<<end1;
;
A. fun();
B. Base.fun();
C. Base::fun();
D. Base->fun();
[单项选择]下列程序中划线处正确的语句是( )。
# include <iostream>
using namespace std;
class Base
public:
void fun( )cout<<"Base:: fun" <<endl;
;
class Derived:public Base
void fun( )
______ ∥显式调用基类的函数fun( )
cout<<"Derived:: fun"<<endl;
;
A. fun();
B. Base.fun();
C. Base::fun();
D. Base- >fun();
[单项选择]下列程序中划线处正确的语句是( )。
#include <iostream>
using namespace std;
class Basepublic:
void fun( ) cout<<"Base:: fun"<<end1;
;
class Derived: public Base void fun( )
_______________________ //显试调用基类的函数 fun( )
cout <<"Derived:: fun"<<end1;
;
A. fun();
B. Base. fun();
C. Base:: fun();
D. Base->fun();
[单项选择]下列程序中,划线处正确的语句是( )。
#include<iostream.h>
Class Base
Public:
Void fun( )cout<<"Base::fun"<<endl;
;
Class Derived:public Base
void fun( )
______ //显示调用基类的函数fun( )
Cout<<"Derived::fun"<<endl;
;
A. fun()
B. Base.fun()
C. Base::fun()
D. Base->fun();
[单项选择]下列程序中,划线处正确的语句是( )。
#include<iostream.h>
Class Base
Public:
Void fun( )cout<<"Base::fun"<<endl;
;
Class Derived:public Base
void fun( )
______ //显示调用基类的函数fun( )
Cout<<"Derived::fun"<<endl;
;
A. fun()
B. Base.fun()
C. Base::fun()
D. Base->fun();
[填空题]根据输出结果填空完成下面程序。
# include<iostream. h>
class Test
{
private:
static int val;
int a;
public:
static int func( );
void sfunc(Test &r);
};
【8】 //初始化静态变量val
int Test::func( )
{
return val++;
}
void Test::sfunc(Test &r)
r. a=125;
cout<<"Result3="<<r.a;
}
void main( )
{
cout<<"Resultl="<<Test::func( )<<endl;
Test a;
cout<<"Result2="<<a. func( );
a. sfunc(a)
}
[填空题]根据输出结果填空完成下面程序。
#include<iostream.h>
class Test
{
private:
static int val;
int a;
public:
static int func( )
void sfunc(Test &r);
};
______//初始化静态变量val
Int Test::func( )
{
return val++;
}
void Test::sfunc(Test &r)
{
r.a=125;
cout<<"Resuh3="<<r.a;
}
void main( )
{
cout<<"Result1="<<Test::func( )<<endl;
Test A;
tout<<"Result2="<<A.rune( )<<endl;
A.sfunc(A);
}
输出结果为:
Resuh1=201
Result2=202
Result3=125
[填空题]根据输出结果填空完成下面程序。
#include<iostream.h>
class Test
private:
static int val;
int a;
public:
static int func( );
void sfunc(Test &r);
;
______//初始化静态变量val
int Test::func( )
return val++;
void Test::sfunc(Test &r)
r.a=125;
cout<<"Result3="<<r.a;
void main( )
cout<<"Resultl="<<Test::func( )<<endl;
Test A;
cout<<"Result2="<<A.fune( )<<endl;
A. sfunc(A);
输出结果为:
Result1=201
Result2=202
Result3=125