If you are asking if Japanese has grammatical gender, the answer is no.
If you're asking if the English word "Japanese" is masculine and feminine, the answer is yes (since English also has no grammatical gender, except with some pronouns).
性別
Seibetsu
Feminine
its masculine no doubt
Masculine
masculine
feminine
Feminine.
La pizarra is feminine, (el) is masculine, and (la) is feminine.
Une école feminine
it is masculine so El
directeur → masculine directrice→ feminine
feminine
masculine