Lang:Java
Edit12345678910111213141516171819202122232425262728293031import java.util.*;public class Main {private Member master;private static int totalMemberCount = 0;public static Map<String,Member> memberMap = new HashMap<>();public static List<Member> list = new ArrayList<>();public static Integer stableMemberCount = 0;public Main(int memberCount){this.totalMemberCount = memberCount;this.initMembers(memberCount);master = memberMap.get("0");}public void initMembers(int memberCount){for(int i=0;i<memberCount;i++){Member member = new Member();String memberName = String.valueOf(i);member.setMemberName(memberName);memberMap.put(memberName,member);list.add(member);}}public boolean isMaster(String name){if(master!=null && master.getMemberName().equals(name)){return true;