Why is this code outputting 2?

Question

I'm feeling dumb, I do not know why it's 2.
https://code.sololearn.com/cYvA09ScIcFC/?ref=app

Answer 1

a=1,b=2

=> a++ == b
a == b (false)
a++ (a=2)

=> In expr1 && expr2, expr2 won't be checked if expr1 is false.

=> b i.e. 2 is printed.

Answer 2

*facepalm* Thank you so much 😊.