有下列程序，在横线添加； #include＜iostream＞ using namespace std; class TestClass { public: TestClass (int n){number=n;} ______//拷贝构造函数 ～TestClass(){} private: int number; }; TestClass fun(TestClass p) { TestClass temp(P); return temp; } int main() { TestClsss obj1(10),obj2(0); TestClass obj3(obj1); obj2=fun(obj3); return 0; }
A．TestClass(TestClass &other){number=other.number;}
B．TestClass(TestClass other){number=other.number;}
C．TestClass(TestClass &other){number;}
D．TestClass(&other){number=other.number;}
[单选题]有以下程序,在横线应添加()。includeusing namespace std;class TestClass{public:Tes有以下程序，在横线应添加( )。 #include＜iostream＞ using namespace std; class TestClass { public: TestClass(int n){number=n;} ______∥拷贝构造函数 ～TestClass(){} private: int number; }: TestClass fun(Test
[单选题]有下列程序:includeusing namespace std;class Complex{double re,im;public:Complex有下列程序： #include＜iostream＞ using namespace std; class Complex { double re,im; public: Complex(double r,double i):re(r),im(i){} double real()const{retum re;} double image()const{
[单选题]有下列程序:includeusing namespace std;class TestClass{public:virtual void fun1(有下列程序： #include＜iostream＞ using namespace std; class TestClass { public: virtual void fun1() { cout＜＜"fun1TestClass"; } virtual void fun2() { cout＜＜"fun2TestClass"; } }; cl
[单选题]有下列程序:includeusing namespace Std;class Test{public:Test(){n£«=2;}~Test(){n£有下列程序： #include＜iostream＞ using namespace Std; class Test { public: Test() {n+=2;} ～Test() {n-=3;} static int getNum(){return n;} private: static int n; }; int Test∷n=1; int
[单选题]有下列程序:includeUsing namespace std;Class Amount{ int amount;public; Amount(i有下列程序： #include＜iostream＞ Using namespace std; Class Amount{ int amount; public; Amount(int n=O):amount(n){} Int getAmount()const{return amount;} Amount &operator+=(AmountA
[单选题]有下列程序:includeusing namespace std;class TestClass{private:int x,y;public:Te有下列程序： #include＜iostream＞ using namespace std; class TestClass { private: int x,y; public: TestClass (int i,int j) { x=i； y=j; } void print() { cout＜＜"printl"＜＜endl； } voA．pr
[单选题]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
[单选题]有下列程序:includeusing namespace std;class VAC{public: int f() const{return3;}有下列程序： #include＜iostream＞ using namespace std; class VAC{ public: int f() const{return3;} int f() {return 5;} }; int main(){ VAC v1; const VAC v2; cout＜＜v1.f()＜＜v2.f();A．53B．35
[单选题]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: T
[单选题]有下列程序:includeusing namespace std;int main(){void function(double val);doub有下列程序： #include＜iostream＞ using namespace std; int main() { void function(double val); double val; function(val); cout＜＜val; return 0; } void fimction(double val) { vA．编译出错，无法运