Why have byteValue in Short, Integer and Long?

What good is the method byteValue() in Short, Integer and Long? It really only makes sense in Byte. This only helps if you are only interested in downcasting your number to a byte. It seems to me Number should also implement toByteArray() or something since all of the subclasses could at least return an array with one element.
Maybe we should just have a method toChar() with no args in String and do away with toCharArray()!?
Please help me out if I am missing something here.
MR

yeah, a toByteArray() method would be pretty damn useful!
a little query regarding byteValue() it says it may involve rounding or truncation, but in none of the subclasses does it specify which of these will occur ;/
would a short with the value 00000000 11111111
be returned as 01111111(rounded) or 11111111(truncated)?
rob,

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