Johnny is eight years old. he likes to play with other little boys, but has no interest in playing with little girls. according to freud, he is in the stage.

The answer is "Johnny is in latency period".

Latency period refers to the fourth phase of psychosexual advancement in psychoanalytic hypothesis, from around five years to pubescence, amid which a youngster evidently stifles sexual inclinations and likes to connect with individuals from a similar sex. It is gone before by the phallic stage and took after by the genital stage. 

classification is your answer, i remember i had this on a test