## 3.3.3 Hexadecimal Constants

A hexadecimal constant is an alternative way to represent numeric constants. A hexadecimal constant takes one of the following forms:

  Z'd[d...]'
  Z"d[d...]"
  d
  Is a hexadecimal (base 16) digit (0 through 9, or an uppercase or lowercase letter in the range of A to F).

You can specify up to 256 bits in hexadecimal (64 hexadecimal digits) constants. Leading zeros are ignored.

Examples

The following examples demonstrate valid and invalid hexadecimal constants:

Valid |
`Z'AF9730'` |
`Z"FFABC"` |
`Z'84'` |
Invalid | Explanation
`Z'999.'` | Decimal not allowed.
`ZF9"` | No quotation mark after the Z.

For More Information:

For details on an alternative form for hexadecimal constants, see Section B.7.

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