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What happens when you attempt to compile and run the following code?

#include

#include

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 of the following is a user defined data type?

1:

struct person

{

char name[20];

int age;

};

2:

int l=2;

3:

enum color {red,blue, green};

D.

char c;

What happens when you attempt to compile and run the following code?

#include

using namespace std;

int main()

{

int a=5;

cout << ((a < 5) ? 9.9 : 9);

}

Which code, inserted at line 18, generates the output "AB"

#include

using namespace std;

class A

{

public:

void Print(){ cout<< "A";}

void Print2(){ cout<< "a";}

};

class B:public A

{

public:

void Print(){ cout<< "B";}

void Print2(){ cout<< "b";}

};

int main()

{

B ob2;

//insert code here

ob2.Print();

}

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,z;

A() : x(2), y(2), z(1) { z = x + y; }

A(int a, int b) : x(a), y(b) { z = x + y;}

void Print() { cout << z; }

};

class B : public A {

public:

int y;

B() : A() {}

B(int a, int b) : A(a,b) {}

void Print() { cout << z; }

};

int main () {

A b;

b.Print();

return 0;

}