HashMap order : {carol=85, dave=70, bob=70, alice=90, erin=95}
by value asc  : {dave=70, bob=70, carol=85, alice=90, erin=95}
by value desc : {erin=95, alice=90, carol=85, dave=70, bob=70}
by key (Tree) : {alice=90, bob=70, carol=85, dave=70, erin=95}
toMap() no LHM: {carol=85, dave=70, bob=70, alice=90, erin=95}  (class HashMap)
List<Entry>   : [erin=95, alice=90, carol=85, dave=70, bob=70]
value desc+key: {erin=95, alice=90, carol=85, bob=70, dave=70}
