What do 0LL or 0x0UL mean?

Question

I am reading the Google Go tutorial and saw this in the constants section:

There are no constants like 0LL or 0x0UL

I tried to d

Answer 1

0LL is a long long zero.

0x0UL is an unsigned long zero, expressed using hexadecimal notation. 0x0UL == 0UL.