How to use long data type in Java? -

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• the literal xyz of type int out of range 3 answers

i have use quite big number - 600851475143; know, have use long data type when try initialize like: long number = 600851475143 error:

the literal 600851475143 of type int out of range.

it seems don't know how use long data type correctly.

long number = 600851475143l 

use "l" make long type