有如下程序:includeusing namespace std;{TestClass(){cout 有如下程序: #include<iostream> using namespace std; { TestClass(){cout<<"BB";fun()} void fun(){cout<<"Bf";} }; class TestClass1:public TestClass { public: TestClass1(){cout<<"DD";} void fun(){cout<<"Df";} }; int main() {TestClass1 d; return 0;} 执行上面的程序将输出( )。A.BBBfDDB.BBDfDDDfC.DDD.DDBBBf

有如下程序:includeusing namespace std;{TestClass(){cout<<"BB";fun()}void fun(){

有如下程序: #include<iostream> using namespace std; { TestClass(){cout<<"BB";fun()} void fun(){cout<<"Bf";} }; class TestClass1:public TestClass { public: TestClass1(){cout<<"DD";} void fun(){cout<<"Df";} }; int main() {TestClass1 d; return 0;} 执行上面的程序将输出( )。

A.BBBfDD

B.BBDfDDDf

C.DD

D.DDBBBf


相关考题:

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 namespace std;Class TestClass{private:int x,y;public:Te 有如下程序: #include<iostream> using namespace std; Class TestClass { private: int x,y; public: TestClass(int i,int j) { x=i; y=j; } void print() { cout<<“print1”<<endl; } void print()const { cout<<”prinA.printlB.print2C.printl print2D.程序编译时出错。

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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

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;

执行这个程序的输出结果是(); include using namespace std; class TestClass1 { publ 执行这个程序的输出结果是( );include<iostream>using namespace std;class TestClass1{public:void fun1(){cout<<"TestClass1\n";}virtual void fun2(){cout<<"TestClass1\n";}};class TestClass2:public TestClass1{public:void fun1(){cout<<"TestClass2\n";}void fun2(){cout<<"TestClass2\n";}};void f(TestClass1b){b.fun1();b.fun2();}int main(){TestClass2 obj;f(obj);return 0;}

有如下程序:includeusing namespace std;class TestClass{static int i;public:TestC 有如下程序: #include<iostream> using namespace std; class TestClass{ static int i; public: TestClass(){i++;} ~TestClass(){i--;} static int getVal(){return i;} }; int TestClass::i=0; void f(){TestClass obj2;cout<<obj2.getVal();} int main(){ TestClass obj 1; f(); TestClass *obj3=new TestClass;cout<<obj3->getVal(); delete obj3;cout<<TestClass::getVal(); return 0; } 程序的输出结果是( )。A.232B.221C.222D.231

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

下列程序中横线处正确的语句是()。includeusing namespace std;class TestClass{publi 下列程序中横线处正确的语句是( )。 #include<iostream> using namespace std; class TestClass { public: void fun(){cout<<"TestClass::fun"<<end1;} }; class TestClass1:public TestClass { void fun() { ______//显示调用基类的函数 fun() cout<<"TestClass1::fun"<<end1; } };A.fun();B.TestClass.fun()C.TestClass::fun();D.TestClass->fun();

有如下程序:includeusing namespace std;class TestClass1{public:virtual void fun( 有如下程序: #include<iostream> using namespace std; class TestClass1 { public: virtual void fun(){cout<<"1";} }; class TestClass2: public TestClass1 { public: TestClass2(){cout<<"2";} }; class TestClass3:public TestClass2 { public: virtual void fun(){TestClass2::fun();cout<<"3";} }; int main() { TestClass 1 aa,*p; TestClass2 bb; TestClass3 cc; p=cc; P->fun(); return 0; } 执行上面程序的输出是( )。A.1122B.2112C.2213D.2223

有如下程序:includeusing namespace std;class TestClass1{public:TestClass1 (){cou 有如下程序: #include<iostream> using namespace std; class TestClass1 { public: TestClass1 (){cout<<"TestClass1";} ~TestClass1 (){cout<<"~TestClass1";} }; class TestClass2:public TestClass1 { TestClass1 *p; public: Testclass2(){cout<<"TestClass2";p=new TestClass1();} ~TestClass2(){cout<<"~TestClass2";delete p;} ); int main() { TestClass2 obj; return 0; } 执行这个程序的输出结果是( )。A.TestClass2TestClass1TestClass1~TestClass1~TestClass2~TestClass1B.TestClass1TestClass2TestClass1~TestClass2~TestClass1~TestClass1C.TestClass2TestClass1TestClass1~TestClass2~TestClass1~TestClass1D.TestClass1TestClass2TestClas1~TestClass1~TestClass2~TestClass1

执行如下程序将输出():includeusing namespace std;class Base{public:Base(){cout 执行如下程序将输出( ): #include<iostream> using namespace std; class Base { public: Base(){cout<<"BB";fun();} void fun (){tout<<"Brim";} }; class Derived:public Base { public: Derived(){cout<<"DD";} void fun (){cout<<"Dfun";} }; int main(){Derived d;return 0;}A.DDB.BBDfunDDDfunC.BBBfunDDD.DDBBBfun

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有下列程序:includeusing namespace std;class TestClass{protected:TestClass(){cou 有下列程序: #include<iostream> using namespace std; class TestClass{ protected: TestClass(){cout<<'x';} TestClass(char c){cout<<c;} }; class TestClassl:public TestClass{ public: TestClassl(char c){cout<<c;}A.yB.yxC.xyD.yy

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若有如下程序:includeusing namespace std;class TestClass{public:void who() {cout 若有如下程序: #include<iostream> using namespace std; class TestClass { public: void who() {cout<<"TestClass"<<endl;} }; class TestClass1:public TestClass { public: void who(){cout<<"TestClass1"<<endl;} }; int main() { TestClass *p; TcstClass1 obj1; p=obj1; p->who(); return 0; } 则该程序运行后的输出结果是( )。A.TestClass1B.TestClassC.0D.无输出

有如下程序:includeusing namespace std;class TestClass{protected:TestClass(){co 有如下程序: #include<iost earn> using namespace std; class TestClass{ protected: TestClass(){cout<<'x';} TestClass(char C) {cout<<c;} }; class TestClass1:public TestClass { public: TestClass1(char C) {Cout<<c;) }; int main(){ TestClass1 d1('y'); return 0; } 执行这个程序,屏幕上将显示输出( )。A.yB.yxC.xyD.yy

若有以下程序:includeusing namespace std;class TestClass{public:void who(){cout 若有以下程序: #include<iostream> using namespace std; class TestClass { public: void who(){cout<<"TestClass"<<endl;} }; class TestClass1:public TestClass { public: void who(){cout<<"TestClass1"<<endl;} }; int main() { TestClass *p; TestClass1 obj1; P=obj1; P->who(); return 0; 则该程序运行后的输出结果是( )。A.TestClass1B.TestClassC.0D.无输出

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