有如下程序:inCludeusing namespace std;Class TestClass{public:virtUal void furll 有如下程序: #inClude<iostream> using namespace std; Class TestClass {public: virtUal void furll() {cout<<“funlTestclass”;} virtual void fun2() {cout<<“{fun2TestClass”;}}; class TestClassl:public TestClass {void fun() {cout<<“fuA.fun1TestClass1 fun2TestClassB.fun1TestClass1 fun2TestClass1C.fUnlTestClass fun2TestClassD.funlTe3tClass fun2TestClassl
有如下程序:inCludeusing namespace std;Class TestClass{public:virtUal void furll
有如下程序: #inClude<iostream> using namespace std; Class TestClass {public: virtUal void furll() {cout<<“funlTestclass”;} virtual void fun2() {cout<<“{fun2TestClass”;}}; class TestClassl:public TestClass {void fun() {cout<<“fu
A.fun1TestClass1 fun2TestClass
B.fun1TestClass1 fun2TestClass1
C.fUnlTestClass fun2TestClass
D.funlTe3tClass fun2TestClassl
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有如下程序: include using namespace std; class TestClass{ int k; public: TestCla 有如下程序:include<iostream>using namespace std;class TestClass{int k;public:TestClass(int x=1):k(x){}~TestClass O{cout<<k;}};int main(){TestClass a[]={TestClass(3),TestClass(3),TestClass(3)};TestClass *p=new TestClass[2];delete []p;return ():}这个程序的输出结果是______。
有如下程序:includeusing namespqce Std;class TestClass{private;Char C;public;Tes 有如下程序: #include<iostream> using namespqce Std; class TestClass { private; Char C; public; TestClass(char n):c(n){} ~TestClass() { cout<<c; }; class TestClassl:public TestClass { private: Char C; public:A.xyB.yxC.xD.y
有下列程序:include using namespace std; class TestClass1 { public: TestClass1(){ 有下列程序:include<iostream>using namespace std;class TestClass1{public:TestClass1(){cout<<"A";}};class TestClass2<public:TestClass2(){cout<<"B";}};class TestClass3:public TestClass1{TestClass2 b;
有如下程序:includeusing namespace std;class TestClass{private;char c;public;Tes 有如下程序: #include<iostream> using namespace std; class TestClass { private; char c; public; TestClass (char n):c(n){} ~TestClass () { cout<<c; } }; class TestClass1:public TestClass { Private: char c; public: TestClass1(char n):TestClass (n+1),c(n){} ~TestClass1() { cout<<c; } }; int main() { TestClass1 obj('x'); return 0; } 执行上面的程序输出( )。A.xyB.yxC.xD.y
有如下程序:includeincludeusing namespace std;class TestClass{public;T 有如下程序: #include<iostream> #include<iomanip> using namespace std; class TestClass{ public; TestClass (){cout<<'A';} TestClass(char C){cout<<c;) ~TestClass (){cout<<'B';} }; int main(){ TestClass p1,*p2; p2=new TestClass('X'); delete p2; return 0; } 执行这个程序的结果是( )。A.ABXB.ABXBC.AXBBD.AXB
有如下程序:includeincludeusing namespace std;class BASE{char c;public 有如下程序: #include<iostream>#include<iosream> using namespace std; class BASE{ char c; public; BASE(char n):c(n){} virtual ~ BASE(){cout<<c;} }; class DERIVED; public BASE{ char c; public: DERIVED (char n): BASE (n+1)A.XYB.YXC.XD.Y
有如下程序: #include(iostream) using namespace std; class TestClass{ protected: TestClass(){couti(cout<<‘x’;} TestClass(char c){cout<<c;}}; class TestClassl:publicTestClass{ public: TestClassl(char c){cout<<c;}}; int main(){ TeA.yB.yxC.xyD.yy
有如下程序:includeusing namespace std;Class TestClass{int a;public:TestClass(in 有如下程序: #include<iostream> using namespace std; Class TestClass {int a; public: TestClass(int x){a=x;} void show(){cout<<a;}}; class TestClass1:public TestClass {int b; public: TestClass1(int i):TestClass(i+1),b(i){} voiA.5B.1C.0D.2
有下列程序:includeusing namespace std;class TestClass{int a;public:TestClass(in 有下列程序: #include<iostream> using namespace std; class TestClass { int a; public: TestClass(int x)<a=x;} void show(){cout<<a;} }; class TestClass1:publicTestClass { int b; public: TestClaA.5B.1C.0D.2
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;}