Ja.
< J > is pronounced as the English < Y >
< A > is pronounced as the < A > in the English word < far > (based on the Received Pronunciation accent)
No is nej in Swedish, and it is pronounced 'ney'.
The short answer is that no means "nej" in Swedish.
"inga problem" works fine.
inga problem
And is "och" in swedish.
På svenska
"King" in Swedish is "kung".
Equality is "jämlikhet" in Swedish.
School is skola in Swedish.
Adventures is äventyr in Swedish.
29 is tjugonio in Swedish.
Small is liten in Swedish.
Vacation is lov in Swedish.
Celebrate is fira in Swedish.
Faster is snabbare in Swedish.