Intellij long "integer value is too big" but in range of long.maxvalue

Question

This might be a silly thing but how is this possible that compiler will show this while Long.Max = 9223372036854775807 ?

Answer 1

You must have Long literals in Java ending with an L, adding an L to your integer will correct your issue, like so: Long s = 9223372036854775806L

This is because by default Java interprets all integers as 32-bit (int), the suffix L ensures that your integer is interpreted as 64-bit.