有如下程序: #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 main() { Test*p=new Test; delete p; cout<<"n="<<Test::getNum()<<endl; return 0; } 执行后的输出结果是( )。
A.n=0
B.n=1
C.n=2
D.n=3
第1题:
下列程序的运行结果是______。
include<iostream.h>
class test
{
private:
int hum;
public:
test( );
int TEST( ){return num+100;)
~test( );
};
test::test( ){num=0;)
test::~test( ){cout<<"Destructor is active"<<endl;)
void main( )
{
test x[3];
cout<<x[1].TEST( )<<endl;
}
第2题:
有如下程序: #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 main() { Test* p=new Test; delete p; cout<<"n="<<Test::getNum()<<endl; return 0; } 执行该程序的输出结果是( )。
A.n=0
B.n=1
C.n=2
D.n=3
第3题:
有下列程序: #include<iostream> using namespace std; c1ass TestClass { private; char c; public: TestClass(char n):c(n){} ~TeStClass() { cout<<c } }; class TestClass1:public TestClass {
A.xy
B.yx
C.x
D.y
第4题:
有如下程序: #include<iostream> using namespace std; class Test { public: Test(){n+=2;} ~Test(){n-=3;} static int getNum(){return n;} private: static int n; }; int Tesl::n=1 int main() { Test*p=new Test; delete p; cout<<"n="<<Tes::tgetNum()<<endl; return 0; } 执行后的输出结果是
A.n=0
B.n=1
C.n=2
D.n=3
第5题:
有如下程序: #include <iostream> using namespace std; class Test { public: Test() {n+=2;} ~Test() {n-=3;} static int getNum(){retum n;} private: static int n; }; int Test:: n=1; int main() { Test*p=new Test; delete p; cout<<"n="<<Test:: getNum()<<end1; return 0; };执行后的输出结果是______.
A.n=0
B.n=1
C.n=2
D.n=3