toAsciiOrNull
Encodes a Char to a Byte in ASCII or null if the character cannot be represented in ASCII.
Return
the ByteArray representing the Char in ASCII if it can be represented in ASCII, null otherwise.
Encodes a String to a ByteArray using ASCII or null if the string contains a non-ASCII character.
Return
the ByteArray representing the String in ASCII if it can be represented in ASCII, null otherwise.
Parameters
byteOrder
the ByteOrder to use.