java - Get the months name for the a particular date range -

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i have date range '2015/01/01' '2015/12/31'. database has date,device_id columns of table "device".

from date range want display month-name , № of unique device_ids in month. e.g, database having date , devie_id 2 columns

date        device_id  2015-01-01     1 2015-01-20     1 2015-03-01     1 2015-03-01     3 2015-04-01     2 2015-06-01     3 2015-08-01     4 2015-09-01     1

expected result

month   device_count january      1 march        2 april        1 june         1 august       1 september    1

how bring month name? using java class retrive data.

below image clear idea of result needed

enter image description here

select month(date),count(distinct device_id) table_name group month(date);

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