can't upload code on sololearn

Question

recently, I learned about queue on this website and try to design some code myself. but this website cannot recognize some java import that I used in code which leads to some many errors when I try to run my code on this website. so what should I do?
Here is the link to my code: https://goo.gl/WcYJ8K

Answer 1

Sololearn doesn't support
org.apache.commons.lang3.ArrayUtils