How many kinds of parameters are there in C++?
How many kinds of entities are directly parameterized in c++?
What is the output of this program?
1.
#include
2.
using namespace std;
3.
class Base
4.
{
5.
public:
6.
Base ( )
7.
{
8.
cout << "1" << endl;
9.
}
10.
~Base ( )
11.
{
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cout << "2" << endl;
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}
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};
15.
class Derived : public Base
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{
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public:
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Derived ( )
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{
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cout << "3" << endl;
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}
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~Derived ( )
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{
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cout << "4" << endl;
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}
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};
27.
int main( )
28.
{
29.
Derived x;
30.
}
What is the output of this program?
1.
#include
2.
using namespace std;
3.
template
4.
class Test
5.
{
6.
public:
7.
Test();
8.
~Test();
9.
type Data(type);
10.
};
11.
template
12.
type Test::Data(type Var0)
13.
{
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return Var0;
15.
}
16.
template
17.
Test::Test()
18.
{
19.
}
20.
template
21.
Test::~Test()
22.
{
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}
24.
int main(void)
25.
{
26.
Test Var3;
27.
cout << Var3.Data('K') << endl;
28.
return 0;
29.
}
What is the output of this program?
1..
#include
2.
using namespace std;
3.
template
4.
class A
5.
{
6.
public:
7.
A(int a): x(a) {}
8.
protected:
9.
int x;
10.
};
11.
template
12.
class B: public A
13.
{
14.
public:
15.
B(): A::A(100)
16.
{
17.
cout << x * 2 << endl;
18.
}
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};
20.
int main()
21.
{
22.
B test;
23.
return 0;
24.
}