Practice Memory Management –
What is the output of following program?
#include
using namespace std;
class Test
{
static int x;
public:
Test() { x++; }
static int getX() {return x;}
};
int Test::x = 0;
int main()
{
cout << Test::getX() << " ";
Test t[5];
cout << Test::getX();
}
Practice Inheritance –
What is the output of following program?
#include
using namespace std;
class Base
{
public:
void show()
{
cout<<" In Base ";
}
};
class Derived: public Base
{
public:
int x;
void show()
{
cout<<"In Derived ";
}
Derived()
{
x = 10;
}
};
int main(void)
{
Base *bp, b;
Derived d;
bp = &d;
bp->show();
cout << bp->x;
return 0;
}
Practice Inheritance –
What is the output of following program?
#include
using namespace std;
class Base {};
class Derived: public Base {};
int main()
{
Base *bp = new Derived;
Derived *dp = new Base;
}
Practice Function Overloading –
Find the output of following program?
#include
using namespace std;
class Base
{
public:
virtual void show() = 0;
};
int main(void)
{
Base b;
Base *bp;
return 0;
}
Practice Memory Management –
Find the output of following program?
#include
class Test
{
public:
void fun();
};
static void Test::fun()
{
std::cout<<"fun() is static
";
}
int main()
{
Test::fun();
return 0;
}
Practice Memory Management –
Predict the output of following program.
#include
using namespace std;
class Test
{
private:
static int count;
public:
Test& fun();
};
int Test::count = 0;
Test& Test::fun()
{
Test::count++;
cout << Test::count << " ";
return *this;
}
int main()
{
Test t;
t.fun().fun().fun().fun();
return 0;
}What will be the output of the following program?
Practice OOPS Concepts –
What will be the output of the following program?
#include
void MyFunction(int a, int b = 40) {
cout<< " a = "<< a << " b = " << b << endl;
}
int main() {
MyFunction(20, 30);
return 0;
} What will be the output of the following program?
Practice OOPS Concepts –
What will be the output of the following program?
#include
static int b = 0;
void DisplayData(int *x, int *y = &b) {
cout<< *x << " " << *y;
}
int main() {
int a = 10, b = 20 ;
DisplayData(&a, &b);
return 0;
} What will be the output of the following program?
Practice Exception Handling –
What will be the output of the following program?
#include
class Crackexams {
public:
void Try(int x = 15) {
x = x/2;
if(x > 0) {
Try();
}
else {
cout<< x % 2;
}
}
};
int main() {
Crackexams objIB;
objIB.Try();
return 0;
} What will be the output of the following program?
Practice Functions –
What will be the output of the following program?
#include
long GetNumber(long int Number) {
return --Number;
}
float GetNumber(int Number) {
return ++Number;
}
int main() {
int x = 20;
int y = 30;
cout<< GetNumber(x) << " ";
cout<< GetNumber(y) ;
return 0;
} What will be the output of the following program?
Practice Functions –
What will be the output of the following program?
#include
struct MyData {
public:
int Addition(int a, int b = 10) {
return (a *= b + 2);
}
float Addition(int a, float b);
};
int main() {
MyData data;
cout<
} What will be the output of the following program?
Practice Functions –
What will be the output of the following program?
#include
int CrackexamsTest(int x, int y);
int CrackexamsTest(int x, int y, int z = 5);
int main() {
cout << CrackexamsTest(2, 4) << endl;
return 0;
}
int CrackexamsTest(int x, int y) {
return x * y;
}
int CrackexamsTest(int x, int y, int z = 5) {
return x * y * z;
}What will be the output of the following program?
Practice Exception Handling –
What will be the output of the following program?
#include
class Crackexams {
public:
int a;
float b;
void TryFunction(int a, float b, float c = 100.0f) {
cout<< a % 20 + c * --b;
}
};
int main() {
Crackexams obj;
obj.TryFunction(20, 2.000000f, 5.0f);
return 0;
} What will be the output of the following program?
Practice OOPS Concepts –
What will be the output of the following program?
#include
void Tester(int xx, int yy = 5);
class Crackexams {
int x;
int y;
public:
void Tester(int xx, int yy = 5){
x = xx;
y = yy;
cout<< ++x % --y;
}
};
int main() {
Crackexams obj;
obj.Tester(5, 5);
return 0;
} What will be the output of the following program?
Practice Objects and Classes –
What will be the output of the following program?
#include
class PowerFinder {
public:
void Power(int x = 1, int y = 1) {
int P = 1, i = 1;
while(++i <= y) {
P *= x;
}
cout<< P << endl;
}
};
int main() {
PowerFinder FP;
FP.Power(2, 6);
return 0;
}