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C++ Certified Associate Programmer Questions 96–100 (page: 21)

What is the output of the program?

#include <iostream>
#include <string>

using namespace std;

int main () {
string s1 = "Hello", s2 = "World";
s2 = s1 + s2;
cout << s2;
return 0;
}

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

#include <iostream>

using namespace std;

int main()
{
int *t;

t = new int[2];
for (int i=0; i<2; i++) {
t[i]=0;
}

cout << t[1];
}

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

#include <iostream>

using namespace std;

int main()
{
int x=2, *y, z=3;
y = &z;
cout<<x**y*x***y;
return 0;
}

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

#include <iostream>

using namespace std;

#define DEF_A 0

int main(int argc, char *argv[]) {
cout << DEF_A;
return 0;
}

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

#include <iostream>
#include <exception>
using namespace std;

class myClass : public exception
{
virtual const char* what() const throw()
{
return "My exception.";
}
} obj;


int main () {
try
{
throw obj;
}
catch (exception& e)
{
cout << e.what() << endl;
}
return 0;
}