下列程序运行的结果是( )。public class Test { public static void main(String[] args) { int a=2,b=3; System.out.println( (a>b?" *** a =" :" ###b = ") + A) ; } }
A.*** a=2
B.*** a=3
C.### b=2
D.### b=3
第1题:
下列程序的运行结果是【 】。
include <iostream. h>
class test
{
private:
int num;
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:
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3题:
下列程序的运行结果是【 】。
include <iostream. h>
class A
{
int a, b;
public:
A() {a=b=0;}
A(int aa, int bb)
{
a=aa; b=bb;
cout<<a<<''<<b<<end1;
}
};
void main()
{ A x, y(2,3),z(4,5); }
第4题:
第5题:
下列程序的运行结果是______。
include<iostream.h>
class Base
{
public:
void f(int x){cout<<“Base:”<<x<<endl;}
);
class Derived:public Base
{
public:
void f(char*str){cout<<“Derived:”<<str<<endl;}
};
void main(void)
{
Base*pd=ne
第6题:
下列程序的运行结果是【 】。
include <iostream. h>
class SomeClass
{
public:
SomeClass(int value) { some_value=value;};
void show_data(void) { cout<<data<<"<<~some_value<<endl; };
static void set_data(int value) {data=value; }
private:
static int data;
int some_value
};
int SomeClass::data
void main(void)
{
SomeClass my_class(1001),your_class(2002);
your_class. set_data(4004);
my_elass. show_data()
}
第7题:
下列程序的运行结果是 #include<iostream.h> class Location{ private: int X.Y; public: void init(int=0,int=0); void valueX(int val){X=val;} int valueX( ){ return X;} void valueY
A.5 0 6 4
B.0 0 6 4
C.5 0 6 2
D.0 0 6 2
第8题:
有如下程序:#include<iostream>using namespace std;class test{private: int a;public: test(){cout<<"constructor"<<endl;} test(int a){cout<<a<<endl;} test(const test&_test) { a=_test.a; cout<<"copy constructor"<<en+dl; } ~test(){cout<<"destructor"<<endl;}};int main(){ test A(3); rerun 0;}运行时输出的结果是
A.3
B.constructor destructor
C.copy constructor destructor
D.3 destructor
第9题:
下列程序的运行结果是______。
include<iostream.h>
class Base
{
public:
virtual void func(int i){cout<<"class Base:"<<i<<end1;)
};
class Derived: public Base
{
public:
void func(double d){cout<<"class Derived:"<<d<<endl;}
};
void main( )
{
Base a,*p=a;
Derived b;
p=&b;
(*p).func(3.3);
}
第10题: