Java Reference
In-Depth Information
BinaryNumeral:
0 b
BinaryDigits
0 B
BinaryDigits
BinaryDigits:
BinaryDigit
BinaryDigit BinaryDigitsAndUnderscores
opt
BinaryDigit
BinaryDigit: one of
0 1
BinaryDigitsAndUnderscores:
BinaryDigitOrUnderscore
BinaryDigitsAndUnderscores BinaryDigitOrUnderscore
BinaryDigitOrUnderscore:
BinaryDigit
_
The largest decimal literal of type
int
is
2147483648
(2
31
).
All decimal literals from
0
to
2147483647
may appear anywhere an
int
literal may appear.
It is a compile-time error if a decimal literal of type
int
is larger than
2147483648
(2
31
), or
if the decimal literal
2147483648
appears anywhere other than as the operand of the unary
The largest positive hexadecimal, octal, and binary literals of type
int
- each of which rep-
resents the decimal value
2147483647
(2
31
-1) - are respectively:
•
0x7fff_ffff
,
•
0177_7777_7777
, and
•
0b0111_1111_1111_1111_1111_1111_1111_1111
The most negative hexadecimal, octal, and binary literals of type
int
- each of which repres-
ents the decimal value
-2147483648
(-2
31
) - are respectively:
•
0x8000_0000
,
•
0200_0000_0000
, and
•
0b1000_0000_0000_0000_0000_0000_0000_0000
The following hexadecimal, octal, and binary literals represent the decimal value
-1
:
•
0xffff_ffff
,
