% 1 - ορισμός. Τι είναι το concrete class
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Τι (ποιος) είναι concrete class - ορισμός

IN OBJECT-ORIENTED PROGRAMMING, A DEFINITION THAT SPECIFIES HOW AN OBJECT WORKS
Class in object-oriented programming; Class (object-oriented programming); Concrete class; Class type; Partial type; Classes (computer science); Class (software); Class (programming); Class definition; Partial class; Software classes; Partial Classes; Partial Class; Concrete instance; Abstract base class; Abstract superclass; Class (computing); Partial classes; Sealed classes; Sealed class; Class programming; Anonymous class; Member visibility; Private member; Public member; Protected member; Private variables and methods; Private method; Private variable; Class (computer science); Protected (class); Protected (computer programming); Class attributes (computer programming); Class properties; Class property; Member accessibility; Open class (computer programming)

concrete class         
<programming> In object-oriented programming, a class suitable to be instantiated, as opposed to an {abstract class}. (1995-05-01)
concrete         
  • [[Boston City Hall]] (1968) is a [[Brutalist]] design constructed largely of precast and poured in place concrete.
  • City Court Building]] in [[Buffalo, New York]]
  • Concrete floor of a [[parking garage]] being placed
  • Circularity of Concrete: Cradle-to-Cradle design
  • Compression testing of a concrete cylinder
  • Birmingham]], [[Alabama]] in 1936
  • [[Concrete plant]] showing a [[concrete mixer]] being filled from ingredient silos
  • Pouring and smoothing out concrete at Palisades Park in Washington, DC
  • Recycled crushed concrete, to be reused as granular fill, is loaded into a semi-dump truck
  • A concrete slab being kept hydrated during water curing by submersion (ponding)
  • Cross section of a concrete railway sleeper below a rail
  • Decorative plate made of Nano concrete with High-Energy Mixing (HEM)
  • Crushed stone aggregate
  • ''[[Opus caementicium]]'' exposed in a characteristic Roman arch. In contrast to modern concrete structures, the concrete used in Roman buildings was usually covered with brick or stone.
  • first1=Lorraine}}</ref>
  • Interior of the Pantheon dome, seen from beneath. The concrete for the [[coffer]]ed dome was laid on moulds, mounted on temporary scaffolding.
  • archive-date=6 October 2014 }}</ref>
  • ''Pohjolatalo'', an office building made of concrete in the city center of [[Kouvola]] in [[Kymenlaakso]], [[Finland]]
  • Stylized cacti decorate a sound/retaining wall in [[Scottsdale, Arizona]]
  • [[Smeaton's Tower]]
  • Black basalt polished concrete floor
  • Several tons of bagged cement, about two minutes of output from a 10,000 ton per day [[cement kiln]]
  • Assembled tremie placing concrete underwater
  • The [[Tunkhannock Viaduct]] in northeastern Pennsylvania opened in 1915 and is still in regular use today
  • Concrete being poured into [[rebar]]
  • Taum Sauk]] (Missouri) pumped storage facility in late November 2009. After the original reservoir failed, the new reservoir was made of roller-compacted concrete.
COMPOSITE CONSTRUCTION MATERIAL
C20 (engineering); Concrete (material); Concrete brick; Portland concrete; Waterproof concrete; Continuous pour concrete; Concrete road; Ready mixed; Ready-mixed; Admixture (concrete); Concrete additive; Concrete mixing plant; Exposed aggregate concrete; Concreting; Concrete strength; Curing compound; Poured concrete
n.
1) to pour concrete
2) prestressed; ready-mix; reinforced concrete
3) a slab of concrete
concrete         
  • [[Boston City Hall]] (1968) is a [[Brutalist]] design constructed largely of precast and poured in place concrete.
  • City Court Building]] in [[Buffalo, New York]]
  • Concrete floor of a [[parking garage]] being placed
  • Circularity of Concrete: Cradle-to-Cradle design
  • Compression testing of a concrete cylinder
  • Birmingham]], [[Alabama]] in 1936
  • [[Concrete plant]] showing a [[concrete mixer]] being filled from ingredient silos
  • Pouring and smoothing out concrete at Palisades Park in Washington, DC
  • Recycled crushed concrete, to be reused as granular fill, is loaded into a semi-dump truck
  • A concrete slab being kept hydrated during water curing by submersion (ponding)
  • Cross section of a concrete railway sleeper below a rail
  • Decorative plate made of Nano concrete with High-Energy Mixing (HEM)
  • Crushed stone aggregate
  • ''[[Opus caementicium]]'' exposed in a characteristic Roman arch. In contrast to modern concrete structures, the concrete used in Roman buildings was usually covered with brick or stone.
  • first1=Lorraine}}</ref>
  • Interior of the Pantheon dome, seen from beneath. The concrete for the [[coffer]]ed dome was laid on moulds, mounted on temporary scaffolding.
  • archive-date=6 October 2014 }}</ref>
  • ''Pohjolatalo'', an office building made of concrete in the city center of [[Kouvola]] in [[Kymenlaakso]], [[Finland]]
  • Stylized cacti decorate a sound/retaining wall in [[Scottsdale, Arizona]]
  • [[Smeaton's Tower]]
  • Black basalt polished concrete floor
  • Several tons of bagged cement, about two minutes of output from a 10,000 ton per day [[cement kiln]]
  • Assembled tremie placing concrete underwater
  • The [[Tunkhannock Viaduct]] in northeastern Pennsylvania opened in 1915 and is still in regular use today
  • Concrete being poured into [[rebar]]
  • Taum Sauk]] (Missouri) pumped storage facility in late November 2009. After the original reservoir failed, the new reservoir was made of roller-compacted concrete.
COMPOSITE CONSTRUCTION MATERIAL
C20 (engineering); Concrete (material); Concrete brick; Portland concrete; Waterproof concrete; Continuous pour concrete; Concrete road; Ready mixed; Ready-mixed; Admixture (concrete); Concrete additive; Concrete mixing plant; Exposed aggregate concrete; Concreting; Concrete strength; Curing compound; Poured concrete
(concretes, concreting, concreted)
Frequency: The word is one of the 3000 most common words in English.
1.
Concrete is a substance used for building which is made by mixing together cement, sand, small stones, and water.
The posts have to be set in concrete...
They had lain on sleeping bags on the concrete floor.
N-UNCOUNT: oft N n
2.
When you concrete something such as a path, you cover it with concrete.
He merely cleared and concreted the floors.
VERB: V n
3.
You use concrete to indicate that something is definite and specific.
He had no concrete evidence...
I must have something to tell him. Something concrete.
ADJ: usu ADJ n
concretely
...by way of making their point more concretely.
ADV: oft ADV with cl
4.
A concrete object is a real, physical object.
...using concrete objects to teach addition and subtraction.
ADJ: usu ADJ n
5.
A concrete noun is a noun that refers to a physical object rather than to a quality or idea.
? abstract
ADJ: ADJ n
6.
If a plan or idea is set in concrete or embedded in concrete, it is fixed and cannot be changed.
As Mr Blunkett emphasised, nothing is yet set in concrete.
PHRASE: v-link PHR

Βικιπαίδεια

Class (computer programming)

In object-oriented programming, a class is an extensible program-code-template for creating objects, providing initial values for state (member variables) and implementations of behavior (member functions or methods). In many languages, the class name is used as the name for the class (the template itself), the name for the default constructor of the class (a subroutine that creates objects), and as the type of objects generated by instantiating the class; these distinct concepts are easily conflated. Although, to the point of conflation, one could argue that is a feature inherent in a language because of its polymorphic nature and why these languages are so powerful, dynamic and adaptable for use compared to languages without polymorphism present. Thus they can model dynamic systems (i.e. the real world, machine learning, AI) more easily.

When an object is created by a constructor of the class, the resulting object is called an instance of the class, and the member variables specific to the object are called instance variables, to contrast with the class variables shared across the class.

In certain languages, classes are, as a matter of fact, only a compile-time feature (new classes cannot be declared at run-time), while in other languages classes are first-class citizens, and are generally themselves objects (typically of type Class or similar). In these languages, a class that creates classes within itself is called a metaclass.