public void mockLeave(String memberName) { for (ChatRoomMember member : members) { if (member.getName().equals(memberName)) { mockLeave((MockRoomMember) member); } } }
private MockRoomMember findMember(String nickname) { for (ChatRoomMember member : members) { if (nickname.equals(member.getName())) return (MockRoomMember) member; } return null; }