What will the variable "age" be in class B?
class A {
int x;
protected:
int y;
public:
int age;
A () { age=5; };
};
class B : public A {
string name;
public:
B () { name="Bob"; };
void Print() {
cout << name << age;
}
};
What happens when you attempt to compile and run the following code?
#include
using namespace std;
int main()
{
int x,y=10;
float f;
f = 5.20;
x=(int) f;
cout << x <<", ";
f=float (y);
cout << f;
return 0;
}
What happens when you attempt to compile and run the following code?
#include
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
#include
using namespace std;
class A {
protected:
int y;
public:
int x;
int z;
A() { x=2; y=2; z=3; }
A(int a, int b) : x(a), y(b) { z = x ? y;}
void Print() {
cout << z;
}
};
int main () {
A a(2,5);
a.Print();
return 0;
}
What happens when you attempt to compile and run the following code?
#include
using namespace std;
class complex{
double re;
double im;
public:
complex() : re(0),im(0) {}
complex(double x) { re=x,im=x;};
complex(double x,double y) { re=x,im=y;}
void print() { cout << re << " " << im;}
};
int main(){
complex c1;
double i=2;
c1 = i;
c1.print();
return 0;
}
What is the output of the program?
#include
using namespace std;
int main()
{
int tab[4]={10,20,30,40};
tab[1]=10;
int *p;
p=&tab[0];
cout<<*p;
return 0;
}
What happens when you attempt to compile and run the following code?
#include
using namespace std;
int fun(int x) {
return 2*x;
}
int main(){
int i;
i = fun(1) & fun(0);
cout << i;
return 0;
}
Given:
#include
#include
using namespace std;
int main () {
try
{
int * myarray= new int[1000];
}
catch (bad_alloc&)
{
cout << "Error allocating memory";
}
catch (exception& e)
{
cout << "Standard exception";
}
catch (...)
{
cout << "Unknown exception";
}
return 0;
}
What will happen if we use the operator “new” and the memory cannot be allocated?
What will happen when you attempt to compile and run the following code?
#include
using namespace std;
int main()
{
const char *s;
char str[] = "Hello ";
s = str;
while(*s) {
cout << *++s;
*s++;
}
return 0;
}
Which code, inserted at line 8, generates the output "0102020"?
#include
using namespace std;
class Base {
static int age;
public:
Base () {};
~Base () {};
//insert code here
void Print() { cout << age;}
};
int Base::age=0;
int main () {
Base a,*b;
b = new Base();
a.Print();
a.setAge(10);
a.Print();
b?>setAge();
a.Print();
b?>Print();
return 0;
}
