import java.io.IOException;
import static java.lang.System.out;

public class MemberDemo {
    public static void main(String[] args) throws IOException {
        Member[] members = {
                new Member("B1234","Justin", 90),
                new Member("B5678","Monica", 95),
                new Member("B9876","Irene", 88)
        };
        for(Member member : members) {
            member.save();
        }
        out.println(Member.load("B1234"));
        out.println(Member.load("B5678"));
        out.println(Member.load("B9876"));
    }
}