若有以下程序: #include <iostream> using namespace std; class A { private: int a; public: void seta(int x) { a=x; } void showa() { cout<<a<<","; } }; class B { private: int b; public: void setb (int x) { b=x; } void showb() { cout<<b<<","; } }; class C :public A,private B { private: int c; public: void setc(int x, inc y, int z) { c=z; seta (x); setb (y); } void showc() { showa (); showb (); cout<<c<<end1; } }; int main () { C c; c. setc(1,2,3); c.showc(); return 0; } 程序执行后的输出结果是
A.1,2,3
B.1,1,1
C.2,2,2
D.3,3,3
第1题:
若有以下程序: #include <iost ream> using namespace std; class A { private: int a; public: A(int i) { a=i; } void disp () { cout<<a<<", "; } }; class B { private:
A.10,10,10
B.10,12,14
C.8,10,12
D.8,12,10
第2题:
若有以下程序: #include <iostream> using namespace std; class A { private: int a; public: void seta(int x) { a=x; } void showa,( ) { cout<<a<<", "; } }; class B { private: int b; public: void setb(int x) { b=x; } void showb () { cout<<b<<", "; } }; class C : public A, private B { private: int c; public: void setc(int x,int y, int z) { c=z; sera (x); seth (y); } void showc() { showa(); showb(); cout<<c<<end1; } }; int main () { C c; c.setc(1,2,3); c.showc(); return 0; } 程序执行后的输出结果是( )。
A.1,2,3
B.1,1,1
C.2,2,2
D.3,3,3
第3题:
若有以下程序: #include<iostream> using namespace std; class A {private: int a; public: A(int i) {a=i;} void disp() {cout<<a<<“,”;}}; class B {private: int b; public: B(int j {b=j;} void disp() {cout<<b<<
A.10,10,10
B.10,12,14
C.8,10,12
D.8,12,10
第4题:
若有以下程序:#include <iostream>using namespace std;class A{private: int a;public: void seta(int x) { a=x; } void showa() { cout<<a<<","; }};class B{private: int b;public: void setb(int x) { b=x; } void showb() { cout<<b<<","; }};class C: public A, private B{private: int c;public: void setc(int x, int y, int z) { c=z; seta(x); setb(y); } void showc() { showa(); showb(); cout<<c<<end1; }};int main(){ C c; c.setc(1,2,3); c.showc(); return 0;}程序执行后的输出结果是( )。
A.1,2,3
B.1,1,1
C.2,2,2
D.3,3,3
第5题:
若有以下程序: #include<iostream> using namespace std; class A { private: int a; public: void seta(int x) { a=x; } void showa() { cout<<a<<","; } }; class B { private: int b; public: void setb(int x) { b=x; } void showb() { cout<<b<<",”; } }; class C:pUblic A,private B { private: int c; public: void setc(int x,int y,int z) { c=z; seta(x); setb(y); } void showc() { showa(); showb(); cout<<c<<end1; } }; int main() { Cc; c.setc(1,2,3); c.showc(); retrun 0; } 程序执行后的输出结果是
A.1,2,3
B.1,1,1
C.2,2,2
D.3,3,3
第6题:
下面程序的结果为 #include<iostream.h> int c; class A { private: int a; static int b; public: A( ) {a=0;c=0;} void seta( ){a++;} void setb( ){b++;}
A.1 2 1
B.1 2 2
C.1 1 2
D.2 2 2
第7题:
下面这个程序的结果是 #include<iostream.h> class A { private: int a; public: void seta( );int geta( );}; void A::seta( ) { a = 1;} int A::geta( ) {return a;} class
A.1
B.2
C.随机输出1或2
D.程序有错
第8题:
下面这个程序的结果是
#include<iostream.h>
class A
{
private:
int a;
public:
void seta( ) ;int geta( ) ;};
void A: :seta( )
{ a=1;}
int A: :geta( )
{ retum a;}
class B
{ private:
int a;
public:
void seta( ) ;int geta( ) ;};
void B: :seta( )
{a=2;}
int B: :geta( )
{return a;}
class C: public A,public B
{ private:
int b;
public:
void display( ) ;};
void C: :display( )
{ int b=geta( ) ;
cout < < b;}
void main( )
{ C c;
c. seta( ) ;
c. display( ) ;}
A.1
B.2
C.随机输出1或2
D.程序有错
第9题:
下面这个程序的结果是 #include<iostream.h> class A { private: int a; public: void seta();int geta();}; void A∷seta() {a=1;} int A∷geta() {return a;} class B { pnvate: int a; publiC: void sera();int geta();}; void B∷seta() {a = 2;} int B∷geta() {return a;} class C:public A,public B { private: int b; public: void display();}; void C∷display() { int b=geta(); cout<<b;} void main() { C c; c.seta(); c.display();}
A.1
B.2
C.随机输出1或2
D.程序有错