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Scala 2.3.3
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final sealed class
AnyVal
extends scala.Any
Class AnyVal is the root class of all
value types.
AnyVal has a fixed number subclasses, which
describe values which are not implemented as objects in the
underlying host system.
Classes Double,
Float,
Long,
Int,
Char,
Short, and
Byte are together called
numeric value types.
Classes Byte,
Short, or
Char
are called subrange types. Subrange types, as well as
Int and
Long are called
integer types, whereas
Float and
Double are called
floating point types.