#include <iostream>
#include <string>
 
using namespace std;
 
class planet{
      public:
int moons;
int mass;
}mercury, venus, earth, mars, jupiter, saturn, uranus, neptune;
 
int main()
{
string input;
cout << "enter a planet:";
getline(cin, input);
cout << input << " has " << input.moons << " moons\n"; 
cout << input << " has a mass of " << input.mass;
return 0;
}
 
/*i would like to know the quickest way to acheive this effect - the closest my knowledge allows involves nesting 8 if statements for each planet name */

#include <iostream>
#include <string>
#include <map>  //include map header
 
using namespace std;
 
class planet{
      public:
int moons;
int mass;
}mercury, venus, earth, mars, jupiter, saturn, uranus, neptune;
 
int main()
{
std::map <std::string, planet> planetref; /*declare the map (planetref) its index type (std::string), and what it references*/
planetref["venus"] = venus;               /*the map acts like an array 
planetref["earth"] = earth;
string input;
cout << "enter a planet:";
getline(cin, input);
cout << input << " has " << planetref[input].moons << " moons\n"; 
cout << input << " has a mass of " << planetref[input].mass;
return 0;
}