Welcome to the Objects and Iterators in C++ MCQs Page
Dive deep into the fascinating world of Objects and Iterators in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Objects and Iterators in C++, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Objects and Iterators in C++, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming Using C++.
Check out the MCQs below to embark on an enriching journey through Objects and Iterators in C++. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Objects and Iterators in C++. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Objects and Iterators in C++ MCQs | Page 12 of 15
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#include <vector>
#include <iostream>
#include <typeinfo>
#include <stdexcept>
using namespace std;
int main()
{
vector<int> vec;
vec.push_back(10);
int i = vec[100];
try {
i = vec[0];
cout << i << endl;
}
catch (exception &e)
{
cout << "Caught: " << e.what( ) << endl;
cout << "Type: " << typeid( e ).name( ) << endl;
}
catch (...)
{
cout << "Unknown exception: " << endl;
}
return 0;
} #include <iostream>
#include <map>
using namespace std;
int main ()
{
try {
map<char, int> mymap;
map<char, int> :: iterator it;
mymap['a'] = 50;
mymap['b'] = 100;
mymap['c'] = 150;
mymap['d'] = 200;
it = mymap.find('b');
mymap.erase (it);
mymap.erase (mymap.find('d'));
cout << mymap.find('a') -> second << '\n';
}
catch (...)
{
cout << "Unknown exception: " << endl;
}
return 0;
} #include <iostream>
#include <iterator>
using namespace std;
int main ()
{
try {
double value1, value2;
istream_iterator<double> eos;
istream_iterator<double> iit (cin);
if (iit != eos)
value1 = *iit;
iit++;
if (iit != eos)
value2 = *iit;
cout << (value1 * value2) << endl;
}
catch (...) {
cout << "Unknown exception: " << endl;
}
return 0;
} #include <iostream>
#include <iterator>
#include <vector>
using namespace std;
int main ()
{
vector<int> myvector;
for (int i = 1; i < 4; ++i)
myvector.push_back(i*10);
ostream_iterator<int> out_it (cout,", ");
copy ( myvector.begin(), myvector.end(), out_it );
return 0;
} #include <iostream>
#include <iterator>
#include <vector>
using namespace std;
int main ()
{
vector<int> myvector;
for (int i = 0; i < 10; i++)
myvector.push_back(i);
typedef vector<int> :: iterator iter_int;
reverse_iterator<iter_int> rev_iterator;
rev_iterator = myvector.rend() - 4;
cout << *rev_iterator << endl;
return 0;
}Suggested Topics
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