POST запрос в java

Как отправить на сервер ответ в таком формате на java(Android studio)?

POST
        Array
        (
            [login] => test
            [sess_passw] => dc3d79597eb2a37fc5300f85542266fa
            [project_id] => 77      
            [date_interview] => 2017-01-22 14:57:41
            [cell] => 
            [answers] => Array
    (
        [0] => Array
            (
                [answer_id] => 4648
                [duration_time_question] => 0
                [text_open_answer] => 
            )
        [1] => Array
            (
                [answer_id] => 4650
                [duration_time_question] => 0
                [text_open_answer] => 
            )
        [2] => Array
            (
                [answer_id] => 4667
                [duration_time_question] => 1
                [text_open_answer] => 
            )