Unity 2017.1.0f3 android build error

hey guys i have some problems when im building apk in unity

i did this : not finding android sdk (Unity) - Stack Overflow

but it didnt work

here is some screenshots

(btw im not so good in english,if you can answer me simple that would be great thank you)
bt

edit: this errors happend end of the building and it says :

Please install JDK 8, i believe JDK 9 is not (yet) supported by Unity