JAVA WHY!?

Question

https://code.sololearn.com/coxd0wUzGO4H/?ref=app

Answer 1

Rael , 0 is also part of the output, because 0*4 = 0 and the reminder is 0-0 = 0.

Answer 2

0/4=0+0, as you can see 0%4 is 0, not 4

Answer 3

What !? i was known as symbol % was the remainder of divide,and i cant understand what you all trying to say....