CPA試験無料問題集「C++ Institute C++ Certified Associate Programmer 認定」

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トータル 220 問
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What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class A {
public:
void Print(){ cout<<"A"; }
};
class B:public A {
public:
virtual void Print(){ cout<< "B"; }
};
class C:public B {
public:
void Print(){ cout<< "C"; }
};
int main()
{
A ob1;
B ob2;
C ob3;
A *obj;
obj = &ob1;
obj->Print();
obj = &ob2;
obj->Print();
obj = &ob3;
obj->Print();
}

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main(){
int i = 1;
if (i==1) {
cout << i;
} else {
cout << i-1;
}
return 0;
}

What will happen when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int getValue();
int main()
{
const int x = getValue();
cout<<x;
return 0;
}
int getValue()
{
return 5;
}

What will variable "y" be in class B?
class A { int x; protected: int y; public: int age;
};
class B : public A {
string name;
public:
void Print() {
cout << name << age;
}
};

Which of the following structures are correct?
1:
struct s1{ int x; char c;
};
2:
struct s2{ float f; struct s2 *s;
};
3:
struct s3{ float f; in i;
}

What happens when you attempt to compile and run the following code?
#include <iostream> #include <string>
using namespace std;
int main()
{
string s1[]= {"How" , "to" };
s1[0].swap(s1[1]);
for (int i=0; i<2; i++) {
cout << s1[i];
}
return( 0 );
}

Which code, inserted at line 14, generates the output "3.14 10"?
#include <iostream>
using namespace std;
namespace myNamespace1
{
int x = 5;
int y = 10;
}
namespace myNamespace2
{
float x = 3.14;
float y = 1.5;
}
int main () {
//insert code here
cout << x << " " << y;
return 0;
}

What happens if character 3 is entered as input?
#include <iostream>
using namespace std;
class A {
public:
int i;
};
int main () {
int c;
A obj;
obj.i = 5;
cin >> c;
try
{
switch (c)
{
case A: throw 20;
case B: throw 5.2f;
case C: throw obj;
default: cout<<"No exception";
}
}
catch (int e)
{ cout << "int exception. Exception Nr. " << e; }
catch (A e)
{ cout << "object exception. Exception Nr. " << e.i; }
catch (...)
{ cout << "An exception occurred."; }
return 0;
}

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int fun(int x);
int main() {
cout << fun(0);
return 0;
}
int fun(int x) {
if(x > 0)
return fun(x-1);
else
return 100;
}

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
class A {
public :
void print() {
cout << "A ";
}
};
class B {
public :
void print() {
cout << "B ";
}
};
int main() {
B sc[2];
B *bc = (B*)sc;
for (int i=0; i<2;i++)
(bc++)->print();
return 0;
}

What happens when you attempt to compile and run the following code?
#include <iostream> using namespace std;
class A {
public :
void print() {
cout << "A ";
}
};
class B {
public :
void print() {
cout << "B ";
}
};
int main() {
B sc[2];
A *bc = (A*)sc;
for (int i=0; i<2;i++)
(bc++)->print();
return 0;
}

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トータル 220 問