what is abstract

what is abstract

what is abstract

An abstract gives you key information about an article or other resource. It is like a summary but with more detailed and structured information. Abstracts vary in length but are very rarely more than a few paragraphs.
can help you determine if the article is relevant to your topic, more so than just the title.

The above is only an abstract of this letter, and some of the quotations are abridged.
I have no desire for these boarding schools in the abstract .

A method without body (no implementation) is known as abstract method. A method must always be declared in an abstract class, or in other words you can say that if a class has an abstract method, it should be declared abstract as well. In the last tutorial we discussed Abstract class, if you have not yet checked it out read it here: Abstract class in Java, before reading this guide.
This is how an abstract method looks in java:
As you see this has no body.

Use the adjective abstract for something that is not a material object or is general and not based on specific examples.
Abstract is from a Latin word meaning “pulled away, detached,” and the basic idea is of something detached from physical, or concrete, reality. It is frequently used of ideas, meaning that they don’t have a clear applicability to real life, and of art, meaning that it doesn’t pictorially represent reality. It is also used as a noun, especially in the phrase “in the abstract” (a joke has a person laying down a new sidewalk saying “I like little boys in the abstract, but not in the concrete”), and as a verb (accented on the second syllable), meaning “to remove.”

References:

http://www.dictionary.com/browse/abstract
http://beginnersbook.com/2014/01/abstract-method-with-examples-in-java/
http://www.vocabulary.com/dictionary/abstract
http://www.dictionary.com/browse/abstract

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