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What is difference between interface and abstract class?
All the methods declared inside an Interface are abstract. Where as abstract class must have at least one abstract method and others may be concrete or abstract. In Interface we need not use the keyword abstract for the methods.
What is the difference between an interface and an abstract class?
We can't instantiate both interfaces and abstract classes.The only one difference between them is that an interface can't contain concrete(fully defined) methods where as an abstract class may contain them.An abstract class not necessarily contain abstract methods. we can make a class as abstract class even it does not has any abstract methods.When there is a need to write both abstract and concrete methods in a single unit we have to use an abstract class instead of an interface since an interface cant contain concrete methods.All the fields(or properties) of an interface are by default 'static final' even when you don't mention explicitly. And all methods are 'public abstract'.But in an abstract class we can have any type of fields and methods.
What can be declared in an abstract class?
Abstract classes are to be extended until to a concrete class.Can have both abstract & non abstract methods.An Abstract class can not be instantiated.A non abstract class can be extended to an abstract class.If At least one abstract method present in a class then that class must be abstract.abstract & final modifiers can never be together.abstract classes can have both abstract methods & non abstract methods.
What is an interface class and what is an abstract class?
The term interface class does not exist in C#. If this is a term describing a class being an interface to other component (human, subsystems, etc), it is very application specific. The designer of that application should know the abstraction.However, C# does have another type called interface. An interface is NOT a class. An interface defines the intention of some behaviors that classes may be extended it and provides the implementation. The intention, is nothing but method signatures, which defines the return data type, the method name, and any method arguments and associated data type. The implementation is the code of the method. Interface is used for separating the concern of design and implementation.Abstract class is a class with abstract keyword. It can be just like a class without that keyword (then, why it is an abstract class?). But it may have some methods or properties defined as abstract. These abstract methods, like the method signatures of an interface, defines the intention.The subclasses of such an abstract class would need to implement those abstract methods (providing the code).There are more common, differences between interfaces and abstract classes, please see answer(s) of those related questions in C# category.
What is an abstract class Write the syntax Declare a pure virtual function in an abstract class?
an abstract class is nothing but class which contains both abstract and concrete methods for abstract class we r nt create object Syntax for pure abstract class is abstract class x { public void abstract y(); public void abstract z(); public void abc() { }
What does Hope look like?
Hope is an abstract concept and does not have any visible properties.
What does .75 look like?
It is a number which is an abstract concept and so is not something which can be seen!
What is non representational graphic?
Abstract art. Pictures that do not look like anything in particular.
What does probability look like?
Probability is an abstract concept and so does not have any particular appearance.
What is non-representational graphic?
Abstract art. Pictures that do not look like anything in particular.
How do you do an abstract?
Frankly, you can do whatever you want, but make sure that it doesn't really look like anything.
How do pieces of cubist work look?
abstract
What baroque period artist painted abstract landscape that look today much like century art?
el greco
Is imagination a preposition?
No, imagination is not a preposition; it is an abstract noun. Look up, or google, concrete and abstract nouns.
What baroque period artist painted abstract landscapes that look today much like 20Th-century art?
el greco
Is briefly an abstract noun?
The word "briefly" is not a noun. It is an adverb. A related abstract noun is brevity (briefness). An example of an abstract noun is the word "freedom" because abstract nouns are not something physical like a place or a person, but an idea like freedom or justice or happiness.
What does abstract art look like?
Abstract art can be geometric or organic (meaning rectilinear forms or curved). It can include a series of colors or just a single color. Visually, it can take many forms. The main idea that ties all abstract art together is that it is devoid of any real-world representation. Once a worldly object, a figure or a landscape is depicted, the work cannot be categorized as abstract art.
