#include <iostream>
#include <vector>

using namespace std;

class TestClass {
	private:
		vector<string> _p;
	public:
		TestClass(vector<string> p) {
			_p.reserve(_p.size() + p.size());
			_p.insert(_p.end(), p.begin(), p.end());
		}
		string toString() {
			string result = "";
			for (int i = 0; i < _p.size(); i++) {
				result += _p[i];
				result += "\n";
			}
			return result;
		}
};

int main(int argc, char** argv) {
	cout << "\n\n\n\tHello World!\n\n\n";
	string params[] = { "a", "b", "c" };
	TestClass Test( vector<string>( params ) );
	cout << Test.toString();
	cout << "\n\n\n";
	system("pause");
	return 0;
}

test.cpp: In function 'int main(int, char**)':
test.cpp:_:_: error: request for member 'toString' in 'Test', which is of non-class type 'TestClass(std::vector<std::__cxx11::basic_string<char> >)'
  cout << Test.toString();
               ^

test.cpp: In function 'int main(int, char**)':
test.cpp:_:_: error: in C++98 'params' must be initialized by constructor, not by '{...}'
  vector<string> params = { "a", "b", "c" };
                                          ^
test.cpp:_:_: error: could not convert '{"a", "b", "c"}' from '<brace-enclosed initializer list>' to 'std::vector<std::__cxx11::basic_string<char> >'