#include
#include
using namespace std;
int main()
{
string str1("A");
string str2("B");
string str3("G");
string str4;
cout << " str1: " << str1 << endl;
cout << " str2: " << str2 << endl;
cout << " str3: " << str3 << "\n\n";
// Set the capacity of str4 to 128.
cout << "Setting the capacity of str4 to 128\n";
str4.reserve(128);
cout << "Capacity of str4 is now: " << str4.capacity() << "\n\n";
return 0;
}