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若有以下程序:includeusing namespace std;class A{private:int a;public:A(int i){a
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
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更多 “ 若有以下程序:includeusing namespace std;class A{private:int a;public:A(int i){a 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.10,10,10B.10,12,14C.8,10,12D.8,12,10 ” 相关考题
考题
若有如下程序:includeusing namespace std;Class TestClass1{private:int a;public:T
若有如下程序: #include<iostream> using namespace std; Class TestClass1 { private: int a; public: TestClassl(int i) { a=i; } void disp() { cout<<a<<“,”; } }; Class TestClass2 { private: int b; publicA.10,10,10B.10,12,14C.8,10,12D.8,12,10
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下列程序的运行结果是 includeclass Location{private:int X.Y;public:void init(i
下列程序的运行结果是 #include<iostream.h> class Location{ private: int X.Y; public: void init(int=0,int=0); void valueX(int val){X=val;} int valueX( ){ return X;} void valueYA.5 0 6 4B.0 0 6 4C.5 0 6 2D.0 0 6 2
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以下程序的执行结果是 ( )。include using namespace std;class sample{private: int
以下程序的执行结果是 ( )。 #include <iostream> using namespace std; class sample { private: int x; public: sample (int A) { x=a; } friend double square(sample s); }; double square(sample s) {A.20B.30C.900D.400
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若有以下程序: include usingnamespace std; class Sample { private: const int n;
若有以下程序:include <iostream>using namespace std;class Sample{private:const int n;public:Sample(int i) :n(i) {)void print(){cout<<"n="<<n<<end1;}};int main(){sample a(10);a.print();return 0;}上述程序运行后的输出结果是【 】。
考题
若有以下程序:include using namespace std;class A{private: int x;protected: int
若有以下程序: #include <iostream> using namespace std; class A { private: int x; protected: int y; public: int z; void setx(int i) { x=i; } int getx () { return x; }; class B : protected A { public: void setvalue(int a, int b, int c) { setx (a); y=b; z=c; } void display() { cout<<getx ( ) <<", "<<y<<", "<<z<<", "<<end1; } }; int main () { B obj; obj.setvalue(5, 6, 7); obj.display ( ); return 0; } 程序运行后的输出结果是( )。A.产生语法错误B.7,6,5C.5,6,7D.7,5,6
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有以下程序:include using namespace std;define PI 3.14class Point{ private:int
有以下程序: #include <iostream> using namespace std; #define PI 3.14 class Point { private: int x,y; public: Point(int a,int b) { x=a; y=b; } int getx() { return x; }A.314B.157C.78.5D.153.86
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若有以下程序:include using namespace std;class Base{private: int x;protected: i
若有以下程序: #include <iostream> using namespace std; class Base { private: int x; protected: int y; public: int z; void setx(int i) { x=i; int getx () { return x; } }A.1,2,3,4B.产生语法错误C.4,3,2,1D.2,3,4,5
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若有以下程序:include using namespace std;class A{private: int a;public: A(int
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.10,10,10B.10,12,14C.8,10,12D.8,12,10
考题
阅读下列说明和C++代码,填写程序中的空(1)~(6),将解答写入答题纸的对应栏内。
【说明】
以下C++代码实现一个简单绘图工具,绘制不同形状以及不同颜色的图形。部分类及其关系如图6-1所示。
【C++代码】
#include?#include?using?namespace?std;class?DrawCircle?{??????//绘制圆形,抽象类? ? ? public: (1);//定义参数为?int?radius,?int?x,?inty? ?virtual~DrawCircle()?{?}};class?RedCircle:public?DrawCircle?{????//绘制红色圆形? ? ? ? public: void?drawCircle(intradius,?int?x,?int?y)?{cout??drawCircle?=?drawCircle;? }? ?virtual~shape()?{?}? public:? ?virtual?void?draw()?=?0;};class?Circle:public?Shape?{????//圆形? ? private:? ? ?int?x,y,radius;? ? public:? Circle(int?x,inty,int?radius,DrawCircle?*drawCircle)? (3)? {? this->x?=?x;? ?this->y?=?y;? ? this->radius?=?radius; }? ? ? public:? void?draw(){? drawCircle?-> (4); }};int?main(){Shape?*redCirclenew?Circle(100,100,10,????(5)????);//绘制红色圆形? Shape?*greenCircle=new?Circle(100,100,10, (6)??);//绘制绿色圆形redCircle >draw();? ?greenCircle?->draw();? ?return?0;}
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