C++ Programming Test 3

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Which operator is used to declare the destructor?

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Where does the exception are handled?

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Which is used to check the error in the block?

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What is the output of this program?

#include <iostream>

#include “math.h”

using namespace std;

double MySqrt(double d)

{

if (d < 0.0)

throw “Cannot take sqrt of negative number”;

return sqrt(d);

}

int main()

{

double d = 5;

cout << MySqrt(d) << endl;

}

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How to handle the exception in constructor?

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What should present when throwing a object?

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What is meant by template parameter?

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Which keyword can be used in template?

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What is the validity of template parameters?

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What are the things that are inherited from the base class?

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What is meant by multiple inheritance?

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Which method do we use to append more than one character at a time?

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What is the output of this program?

#include <iostream>

#include <string>

using namespace std;

int main ()

{

string str (“Ubuntu”);

cout << str.capacity();

cout << str.max_size();

return 0;

}

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What is the output of this program?

#include <iostream>

#include <string>

using namespace std;

int main ()

{

string str (“steve jobs is legend”);

string::iterator it;

str.erase (str.begin()+ 5, str.end()-7);

cout << str << endl;

return 0;

}

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Which header file is used to declare the complex number?

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How to declare the complex number?

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What is the output of this program?

#include <iostream>

#include <complex>

using namespace std;

int main()

{

complex<int> i(2, 3);

i = i * 6 / 3;

cout << i;

return 0;

}

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Which of the following statements is NOT valid about operator overloading?

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Operator overloading means?

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Which of the following operator can’t be overloaded?