package com.example.cosmos_serversb.jsons; import java.util.HashSet; import java.util.Set; import com.example.cosmos_serversb.entities.*; public class MembersJson { private Set<User> member = new HashSet<>(); public MembersJson(){ } public MembersJson(Group group){ setMember(group.getMembers()); } public MembersJson(Set<User> set){ setMember(set); } private void setMember(Set<User> member) { this.member = member; } public Set<User> getMember() { return member; } }