Manage Product using Windchill Java API.

If you are looking to get the Context team use, ContainerTeamHelper

WTContainer container=epmd.getContainer() ;
  ContainerTeam CTeam=wt.inf.team.ContainerTeamHelper.service.getContainerTeam((ContainerTeamManaged )container);

If you are looking to get the team of an object use TeamHelper

wt.team.TeamHelper.service.getTeam( (wt.team.TeamManaged) epmd);

Refer to PTC Java Doc for more information on these APIs http://support.ptc.com/cs/wncdoc/102/wcapi/wt/inf/team/ContainerTeamService.html#getContainerTeam(wt.inf.team.ContainerT…  and http://support.ptc.com/cs/wncdoc/102/wcapi/wt/team/TeamService.html#getTeam(TeamManaged)