String query = "select m, t from Member m join m.team t";
List<Object[]> list = em.createQuery(query).getResultList();
System.out.println("list.size() = " + list.size());
for (Object[] o : list) {
Member member = (Member)o[0];
Team team = (Team)o[1];
System.out.println("member.getUsername() = " + member.getUsername());
if(team != null)
System.out.println("team.getName() = " + team.getName());
}