C++ Institute C++ Certified Associate Programmer - CPA Exam Practice Test

What is the output of the program?
#include <iostream> #include <string>
using namespace std;
int main()
{
string s1="Wo";
string s2;
s2 = s1;
string s3;
s3 = s2.append("rldHello");
cout << s3;
return( 0 );
}

What will happen when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
int fun(int);
int main()
{
int *x = new int;
*x=10;
cout << fun(*x);
return 0;
}
int fun(int i)
{
return i*i;
}

What is the output of the program?
#include <iostream>
#include <string>
using namespace std;
int main()
{
char str[] = "Hello\0\World\0";
cout << str;
return 0;
}

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int op(int x, int y)
{
return x?y;
}
int op(int x, float y)
{
return x+y;
}
int main()
{
int i=1, j=2, k, l;
float f=0.23;
k = op(i, j);
l = op(j, f);
cout<< k << "," << l;
return 0;
}

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int i = 5;
cout<<"Hello World" << ++i;
return 0;
}

What happens when you attempt to compile and run the following code?
#include <iostream> #include <string> using namespace std;
const int size = 3; class A {
public:
string name;
A() { name = "Bob";}
A(string s) { name = s;}
A(A &a) { name = a.name;}
};
class B : public A {
public:
int *tab;
B() { tab = new int[size]; for (int i=0; i<size; i++) tab[i]=1;}
B(string s) : A(s) { tab = new int[size]; for (int i=0; i<size; i++) tab[i]=1;}
~B() { delete tab; }
void Print() {
for (int i=0; i<size; i++) cout << tab[i];
cout << name;
}
};
int main () {
B b1("Alan");
B b2;
b1.tab[0]=0;
b1.Print(); b2.Print();
return 0;
}

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

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main()
{
int i = 4;
while(i >= 0) {
cout<<i;
i??;
}
return 0;
}

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

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

What happens when you attempt to compile and run the following code?
#include <iostream>
#include <string>
using namespace std;
class A {
public:
A() { cout << "A no parameters";}
A(string s) { cout << "A string parameter";}
A(A &a) { cout << "A object A parameter";}
};
class B : public A {
public:
B() { cout << "B no parameters";}
B(string s) { cout << "B string parameter";}
};
int main () {
A a1;
A a2("Test");
B b1("Alan");
return 0;
}

What happens when you attempt to compile and run the following code?
#include <cstdlib> #include <iostream>
using namespace std;
inline float sum(float a,float b)
{
return a+b;
}
int main()
{
float a,b;
a = 1.5; b = 3.4;
cout<<sum(a,b);
return 0;
}

What happens when you attempt to compile and run the following code?
#include <iostream>
using namespace std;
int main(){
int i, j;
for(i = 0, j = 1; j < 2, i < 4; i++, j++);
cout << i << " " << j; return 0;
}

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;
}