Z++

Z++ (pronounced zed plus plus) was an object-oriented extension to the Z specification language.

Z++ is an object-oriented extension to the Z specification language, allowing for the definition of classes, and the relation of classes through inheritance, association or aggregation.

The primary construct of Z++ is a class. A Z++ class consists of a number of clauses which are optional.

Z++ Class Structure:

See also

  • Objective-Z
  • References

  • Lano, K.C., Z++, an Object-Oriented Extension to Z. Z User Workshop, Oxford 1990, Springer, Workshops in Computing, 1991, pp. 151–172.
  • This article is based on material taken from the Free On-line Dictionary of Computing prior to 1 November 2008 and incorporated under the "relicensing" terms of the GFDL, version 1.3 or later.

  • Lano, K.C., Formal Object-Oriented Development. Springer-Verlag, London, 1995.
  • AAOB - Thesis 2009.

  • Záříčí

    Záříčí is a village and municipality (obec) in Kroměříž District in the Zlín Region of the Czech Republic.

    The municipality covers an area of 8.05 square kilometres (3.11 sq mi), and has a population of 743 (as at 2 October 2006).

    Záříčí lies approximately 10 kilometres (6 mi) north of Kroměříž, 29 km (18 mi) north-west of Zlín, and 225 km (140 mi) east of Prague.

    References

  • Czech Statistical Office: Municipalities of Kroměříž District
  • Voiced alveolar fricative

    The voiced alveolar fricatives are consonantal sounds. The symbol in the International Phonetic Alphabet that represents these sounds depends on whether a sibilant or non-sibilant fricative is being described.

  • The symbol for the alveolar sibilant is z, and the equivalent X-SAMPA symbol is z. The IPA letter z is not normally used for dental or postalveolar sibilants unless modified by a diacritic ( and respectively).
  • The IPA symbol for the alveolar non-sibilant fricative is derived by means of diacritics; it can be ð̠ or ɹ̝.
  • Voiced alveolar sibilant

    The voiced alveolar sibilant is common across European languages but is relatively uncommon cross-linguistically compared to the voiceless variant. Only about 28% of the world's languages contain a voiced dental or alveolar sibilant. Moreover, 85% of the languages with some form of [z] are languages of Europe, Africa or Western Asia.

    In the eastern half of Asia, the Pacific and the Americas, [z] is very rare as a phoneme. The presence of [z] in a given language always implies the presence of a voiceless [s].

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