LEXICAL STRUCTURE
Integer Literals
3.10.1
The keywords
const
 and
goto
 are reserved by Java, even though they are not
currently used in Java. This may allow a Java compiler to produce better error
messages if these C++ keywords incorrectly appear in Java programs.
While
true
 and
false
 might appear to be keywords, they are technically
Boolean literals ( 3.10.3). Similarly, while
null
 might appear to be a keyword, it
is technically the null literal ( 3.10.7).
3.10   Literals
A
literal
 is the source code representation of a value of a primitive type ( 4.2), the
String
 type ( 4.3.3,  20.12), or the null type ( 4.1):
Literal:
IntegerLiteral
FloatingPointLiteral
BooleanLiteral
CharacterLiteral
StringLiteral
NullLiteral
3.10.1   Integer Literals
See  4.2.1 for a general discussion of the integer types and values.
An
integer literal
 may be expressed in decimal (base 10), hexadecimal
(base 16), or octal (base 8):
IntegerLiteral:
DecimalIntegerLiteral
HexIntegerLiteral
OctalIntegerLiteral
DecimalIntegerLiteral:
DecimalNumeral IntegerTypeSuffix
opt
HexIntegerLiteral:
HexNumeral IntegerTypeSuffix
opt
OctalIntegerLiteral:
OctalNumeral IntegerTypeSuffix
opt
IntegerTypeSuffix: one of
l L
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