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();
查看答案
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: TestCla
A. 5
B. 1
C. 0
D. 2
下列程序的输出结果是()。 #include<iostream> using namespace std; class TestClass{ static int i; public: TestClass(){i++;} ~TestClass(){i--;} static int getVal(){retum i;} }; int TestClass∷i=0; voi
A. 111
B. 121
C. 211
D. 221
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; } vo
A. print1
B. print2
C. pfint1 print2
D. 程序编译时出错
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. y
B. yx
C. xy
D. yy