Can you generate Odd,even,prime or other Sequence using If Statement only??

Question

Any language :)

Answer 1

well I tried, but I needed a while to repeat :( mission failed
https://code.sololearn.com/cbpOh0l043bY/?ref=app

Answer 2

I can do it! Code is here https://code.sololearn.com/cV5u1I85j5Q3/#java