Hey guys please anybody tell why this while loop not works on sololearn app but it works on other apps like javanide??

Question

https://code.sololearn.com/cOJRztWo5i4T/?ref=app

Answer 1

It works but It's an infinite loop.
Sololearn playground is not interactive. on no input, it raise exception.
edit:
RAGHUKUMAR SURA
instead of while(true), use while(sc.hasNext()). then it works fine.
hope it helps..