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Topic: Superclass (computer science)

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	Subclass (computer science) - Wikipedia, the free encyclopedia
		In this way, a subclass is a more specific version of its superclass; that is, the facts about the cat state what is generally true for all cats, even if some kinds of cats happen to have no tail.
		Subclasses and superclasses are often referred to as derived and base classes, respectively, terms coined by C++ creator Bjarne Stroustrup, who found these terms more intuitive than the traditional nomenclature.
		For a more in-depth explanation of the concept of classes in object-oriented programming, see class (computer science), in particular the section about subclasses and superclasses on that page.
	en.wikipedia.org /wiki/Subclass_(computer_science) (336 words)

	Superclass - Wikipedia, the free encyclopedia
		In biology, a superclass is a taxonomic rank intermediate between subphylum and class; and
		In computer science, a superclass is a class from which other classes are derived.
		This is a disambiguation page: a list of articles associated with the same title.
	en.wikipedia.org /wiki/Superclass (109 words)

	Inheritance (computer science) - InfoSearchPoint.com (Site not responding. Last check: 2007-11-03)
		In computer science, inheritance creates an is a relationship between data structures.
		Some computer scientists, such as the principal designer of CLU, Barbara Liskov, urge that the use of inheritance be restricted to those designs which truly reflect the problem being solved, and that re-use and subtype polymorphism are not actually the strong points of a design resting solely on inheritance.
		The most widely encountered practical application of inheritance is in word processors, where people often don't realize except intuitively that the components of the document are inheriting layout and style properties from their parent elements, not even when they are using style sheets for formatting.
	www.infosearchpoint.com /display/Is-a (454 words)

	Computer Science Colloquium Series - Fall 2000
		The Computer Science Colloquium Series is a forum for invited speakers, faculty, and graduate students to share research ideas.
		Computer users are spending more time with their Web browsers, due to both improved browser technology and industry efforts to provide first-class support through Web interfaces.
		Her recent research has focussed on agent-based computational economics(ACE), the computational study of economics modelled as evolving systems of autonomous interacting agents.In particular, she has developed an ACE framework for studying the formation and evolution of trade networks under alternative market structures.
	www.cs.iastate.edu /~colloq/colloquium-fall00.html (2828 words)

	Inheritance (computer science): Encyclopedia topic (Site not responding. Last check: 2007-11-03)
		In computer science (computer science: The branch of engineering science that studies (with the aid of computers) computable processes and structures), the term inheritance may be applied to a variety of situations in which certain characteristics are passed on from one context to another.
		In this context, inheritance creates an "is-a" relationship between data structure (data structure: (computer science) the organization of data (and its storage allocations in a computer)) s; this form of inheritance is also sometimes called subclassing, since one class (class: (biology) a taxonomic group containing one or more orders) is a subclass of another.
		The concept of inheritance may also be applied more generally to any process in computer science in which one context receives certain traits from another.
	www.absoluteastronomy.com /reference/inheritance_computer_science (442 words)

	AP: Computer Science AB - Java Subset
		The AP Java subset is intended to outline the features of Java that may appear on AP Computer Science Examinations.
		The use of super to invoke a superclass constructor (super(args)) or to invoke a superclass method (i.e., super.method(args)) is part of the AP Java subset.
		Students are expected to understand that conversion from a subclass reference to a superclass reference is legal and does not require a cast.
	www.collegeboard.com /student/testing/ap/compsci_ab/java.html (2617 words)

	DCS Publications Archive - Subject: QA75 Electronic computers. Computer science (Site not responding. Last check: 2007-11-03)
		Ardelean, I and Gheorghe, M and Martin-Vide, C and Mitrana, V (2004) A computational model for cell differentiation.
		Walker, DC and Hill, G and Wood, SM and Smallwood, RH and Southgate, J (2004) Agent-based computational modelling of wounded epithelial cell monolayers.
		Clayton, RH and Holden, AV (2004) Filament behaviour in a computational model of ventricular fibrillation in the canine heart.
	publications.dcs.shef.ac.uk /view/subjects/QA75.html (5351 words)

	AP: Computer Science A
		Because of this, specific I/O features are not tested on the AP Computer Science Exam.
		This document describes the Java subset that students will be expected to understand when they take the AP Computer Science Exam.
		For the purpose of the AP Computer Science Exam, these choices are incidental and are not central for the mastery of computer science concepts.
	www.collegeboard.com /student/testing/ap/compsci_a/java.html?compscia (2354 words)

	Inheritance
		The design is fragile because if you want to change the superclass, you must know the details of all of the subclasses or risk breaking them.
		When using implementation inheritance, be sure that the subclasses depend only on the behavior of the superclass, not on the implementation.
		The Delaunay triangulation has many appealing computational properties (triangles are as close to equilateral as possible), and it is efficiently computable.
	www.cs.princeton.edu /introcs/35inheritance (4308 words)

	Peppered moth - EvoWiki (Site not responding. Last check: 2007-11-03)
		This page should provide readers with enough background on the science and scientists involved in the peppered moth case that they will be able to make well-informed assessments of the case for themselves.
		Kettlewell's science, and the science that followed him, has gotten a very bad rap as of late, from creationists, from Hooper's book and other poor science journalism, and even from a few scientists who are poorly acquainted with the scientific literature on the peppered moth.
		For many readers, it may be enough to know that the peppered moth researchers are still supporting the differential bird predation theory, and that the scientific dissidents are (a) few in number and (b) armchair observers of peppered moth research.
	wiki.cotch.net /index.php/Peppered_moth (5445 words)

	Business Objects Tutorial
		Object is the root superclass of all Java and Smalltalk classes.
		In computing, a tutorial is a computer program whose purpose it is toassist users in learning how to use (parts of) a software product such as an office suite or any other application, operating system interface,programming tool, or game.
		There are two kinds of software tutorials:movie tutorials that you watch, and interactive tutorials where you followon-screen instructions (and in some cases watch short instruction movies), whereupon you do the tutorial exercises and getfeedback depending on your actions.
	www.altvetmed.com /face/21782-business-objects-tutorial.html (917 words)

	School of Computer Science (Site not responding. Last check: 2007-11-03)
		If you shop in a supermarket, some of the items you buy are individually priced, while others are priced per kilogram and have to be weighed.
		This is an abstract superclass whose instances represent items in a shopping trolley.
		It follows that subclassing in Java is a valuable resource, not to be wasted.
	www.cs.bham.ac.uk /resources/courses/java/fyw/exercises/ex8.php (2675 words)

	Fundamentals of computer science II
		Fundamentals of computer science II Initial Notes [by Mr.
		It is also a reasonably good introductory language (or so say many computer science educators).
		A program can have separate threads of computation, and it is relatively easy to manage those threads.
	www.math.grin.edu /~walker/courses/152.sp01/lab-getting-started.html (1115 words)

	AP Computer Science
		Course Description: This course continues the development of JAVA programming begun in the CPP430 course, and is designed for students who have demonstrated an ability and desire to work in advanced computer science concepts.
		Each student will design, implement, test and modify program lab projects which are specifically designed to amplify key concepts in computer science as outlined by the AP College Board.
		Laptop Usage: Laptops are required for every class as students are expected to work on computer programming lab projects, follow examples and takes notes, complete and submit projects via email, and research the internet for SUN JAVA class documentation.
	portal.chaminade-stl.com /Default.aspx?tabid=3745 (670 words)

	GNOWSYS: Gnowledge Networking and Organizing SYStem
		Using semantic computing feature of GNOWSYS, on line tutorials can be built for teaching procedural skills such as mathematics, programming languages.
		GNOWSYS development is currently supported by Homi Bhabha Centre for Science Education (HBCSE), TIFR, and is mostly executed by undergraduate students as a part of their projects.
		GNOWSYS is concieved and authored by Nagarjuna G. Most of the code to GNOWSYS was a contribution by several students who worked under his guidance at Homi Bhabha Centre for Science Education, TIFR, Mumbai.
	www.gnu.org /software/gnowsys (1640 words)

	Linnaean taxonomy - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-03)
		See also: Evolutionary tree, which has further subdivisions and presents the most current taxonomic viewpoint.
		"Taxonomy (the science of classification) is often undervalued as a glorified form of filing—with each species in its prescribed place in an album; but taxonomy is a fundamental and dynamic science, dedicated to exploring the causes of relationships and similarities among organisms.
		Classifications are theories about the basis of natural order, not dull catalogues compiled only to avoid chaos." Stephen Jay Gould (1990, p.98)
	www.sciencedaily.com /encyclopedia/linnaean_taxonomy (841 words)

	0603-232 Computer Science 2 (Site not responding. Last check: 2007-11-03)
		The members of a class include both declared and inherited members.
		Newly declared fields can hide fields declared in a superclass or superinterface.
		Newly declared methods can hide, implement, or override methods declared in a superclass.
	www.cs.rit.edu /~hpb/Lectures/98_CS2_Java/all-4.html (183 words)

	CIS 211 - Computer Science II
		CIS 211 - Computer Science II CIS 211 - Computer Science II Winter, 2003 - A. Hornof
		Put instance variables as high as possible (that makes sense) in the class hierarchy, and have your constructors call the superclass constructors whenever it is feasible.
		This is an abstract class that keeps track of the name and location of the object.
	www.cs.uoregon.edu /~hornof/cis211/P3.html (1520 words)

	[No title]
		In Java, it is only possible to convert between superclasses and subclasses.
		Downcast: Superclass àð Subclass¡$ ª ¨¤Consider an object to be of a subclass of its declared class.
		Data members used for computing hashCode() should not change over the lifetime of an object.
	www.cs.waikato.ac.nz /~tcs/COMP209S/ppt/lecture08.ppt (705 words)

	School of Computer Science (Site not responding. Last check: 2007-11-03)
		You may wonder whether you can declare a new version of constX, a field that is private to the subclass instead of the superclass.
		You can, but this would be cheating, since it would not be the same as the "proper" constX in the superclass.
		The normal reasons for playing this kind of trick are malicious.
	www.cs.bham.ac.uk /resources/courses/java/fyw/solutions/ex8.php (797 words)

	0603-232 Computer Science 2 (Site not responding. Last check: 2007-11-03)
		Java has simple inheritance, i.e., a class can only extend one superclass.
		Members inherited from any direct superinterfaces IP • Members declared in the body of the class.
		It is not allowed to print these pages on a CAST printer.
	www.cs.rit.edu /~hpb/Lectures/98_CS2_Java/all-5.html (123 words)

	CSCI 15A Lecture Notes (Site not responding. Last check: 2007-11-03)
		To understand the common superclass Object and to override its toString, equals, and clone methods
		we must specify that we mean to invoke deposit() in the superclass
		the call to the superclass constructor must be the first statement in the subclass constructor
	www.ecst.csuchico.edu /~judyc/0405F-csci15a/lectures/lecture21.html (512 words)

	CSI 1101 - Introduction to Computer Science II --> Labs (Site not responding. Last check: 2007-11-03)
		If the superclass is not explicitly mentioned, Object is the immediate parent class, the following two declarations are
		A class inherits all the characteristics (variables and methods) of its superclass(es).
		a subclass inherits all the methods and variables of its superclass(es);
	www.site.uottawa.ca /~ajain/labs.htm (485 words)

	Computer Science 223: Discussion Questions
		Inheritance: or public inheritance: a subclass becomes a subtype of a superclass or base class
		Is it really true that in all cases base classes should have no knowledge of derived classes?
		The user can add a specialization relationship that is not behaviorally compatible to the superclass; can the user completely change or delete a message of the superclass?
	www.math.grin.edu /~walker/courses/223.sp02/read-riel-5a.html (676 words)

	We Have Chosen Shame and Will Get War.
		Unless your computer understands natural language, this will never happen because there is no way for the author of the conference announcement to encode sufficient structural information in HTML.
		As CONFERENCE-ANNOUNCEMENT is a superclass of LANL-ACL-CONFERENCE-ANNOUNCEMENT, all the things that the MIT user's client is accustomed to doing with conference announcements should work with this one.
		This presents no problem for programmers using modern computer languages such as Smalltalk and Common Lisp that allow type definition at run-time, but programs implemented in primitive languages (e.g., C++) that have purely static types are going to essentially need their own dynamic type system.
	philip.greenspun.com /research/shame-and-war-old (2930 words)

	Computer Science A06 Lecture Slides (Site not responding. Last check: 2007-11-03)
		Fig 9.3 The WashingMachine class with a Vector.
		Fig 17.0 Sorting - by hand vs. computer.
		Fig 18.3 Another way of sorting - bubble sort.
	www.scar.utoronto.ca /~radulov/csca06/lecture (205 words)

	Turku Centre for Computer Science - TUCS (Site not responding. Last check: 2007-11-03)
		Imposing semantic constraints on subclassing allows us to ensure that subclass instances may be substituted for the corresponding superclass instances without invalidating the clients.
		We define the class refinement relation which captures these semantic constraints.
		Clients of class instances are modeled as programs making an iterative choice over invocation of class methods, and we prove that when a subclass refines its superclass, substituting subclass instances for superclass instances is refinement for the clients.
	www.tucs.fi /publications/techreports/TR147.php (152 words)

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