import java.util.ArrayList;
import java.util.List;
import java.util.stream.*;

public class ParallelTeams {
    enum Sport {Baseball, Football,Basketball,Hockey}

    class athlete {
        public Sport game;
        public String name;
        public String year;  //Frosh, Soph, Jr, Senior
        public int testgrade; //entrance exam grade

        public athlete(Sport s,String n,String y,int t){
            game=s;
            name=n;
            year=y;
            testgrade=t;
        }
    }

    public static void main(String args[]) {
        new ParallelTeams();
    }
    public ParallelTeams(){
        athlete ss = new athlete(Sport.Baseball, "Sam Smith", "Jr", 95);
        athlete jj = new athlete(Sport.Basketball, "Joe Johnson", "Jr", 90);
        athlete rb = new athlete(Sport.Baseball,"Robert Brown", "Soph", 80);
        athlete bj = new athlete(Sport.Hockey, "Bob Jones", "Jr", 85);
        athlete jr = new athlete(Sport.Baseball, "Joe Roberts", "Senior", 65);
        athlete le = new athlete(Sport.Basketball,"Ed Edwards", "Soph", 70);
        List<athlete> allplayers = new ArrayList<>();
        allplayers.add(ss);allplayers.add(jj);allplayers.add(rb);
        allplayers.add(bj);allplayers.add(jr);allplayers.add(le);
        Stream<athlete> baseballers = allplayers.stream().filter((a) -> a.game==Sport.Baseball);
        Stream<athlete> basketballers = allplayers.stream().filter((a) -> a.game==Sport.Basketball);
        Stream<athlete> hockeyplayers = allplayers.stream().filter((a) -> a.game==Sport.Hockey);
        List<Stream<athlete>> the_sports= new ArrayList<>();
        the_sports.add(baseballers);the_sports.add(basketballers);the_sports.add(hockeyplayers);
        the_sports.parallelStream().forEach(e->{System.out.println(e.count());});
    }
}