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What is the difference between an Interface and an Abstract

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What is the difference between an Interface and an Abstract

Postby magwebonline » Sun Jan 06, 2013 10:55 pm

Hi,

Iam New To Web and Software Development.
Can Anyone Explain me What is the difference between an Interface and an Abstract ?

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Postby griffis99 » Mon Jun 03, 2013 7:43 am

Have you ever wonder why a certain John fell in love with Stephanie and not some Jennifer or Britney? Why did your dream girl in your school not like you but someone else whom you think isn't in anyway better than you? Why do beautiful girls in most cases fall for an average guy and vice versa? Well, scientists claim science knows why it is so.
Laws of attraction are a set of laws whose postulates include the nature of bodies that attract each other. But it is derived from scientific laws and attraction between things rather burberry sunglasses 2013 than burberry sunglasses men human beings.
One of the earliest contributors to laws of attraction is Plato, a great Greek philosopher who built on earlier concepts prevalent at his time, that of burberry clothing for men attractive forces and repulsive forces and gave a conclusion that likes tend towards likes, meaning things of same nature attract each other [url]burberry clothes for men[/url] very much.
Later, Albert Magnus, a Dominican priest who is known for his works on coexistence of religion and science applied the laws of attraction to chemical systems and gave a theory burberry 4065 sunglasses containing four postulates.
Isaac Newton postulated that the chemical attraction is due to certain forces which followed certain rules very similar to that followed by the planets, those rules or laws are the three laws of planetary motion. He included these views of his in his 1704 book Opticks, a book about light. So most people believe Isaac Newton was in fact responsible for the discovery of laws of attraction. But some people do believe that ancient greek people knew from the fact that, in magnets opposite poles attract and like poles repel, opposites attract and likes repel.
Later Etienne Geoffroy who was involved in translating Newton's works into French, proposed a law stating that 'when two things combine, which have a habit of combining with each other, and a third substance which is has greater attraction towards one of the two substances, then these two will combine to force out the remaining substance from the system'. Etienne geoffroy also published the very first affinity table based on his law.
After him, J.P. Macquer proposed a law comprising of six laws which included two laws proposed by Isaac Newton and Etienne geoffroy. It also included four new postulates about laws of attraction. Later, he also published a book in which he had mentioned about seven types of affinity.
Coulomb's law framed by French scientist Charles Augustine de coulomb gives the formula to calculate electrostatic force of attraction between two electric charges in space.
James Clerk Maxwell suggested that there was an electro magnetic field all over the space, which exerted a certain force on particles that are electric in nature. He also said that this electro magnetic space was affected by the nature and movement of these electric particles. He framed the Maxwell's field equations which can be compared to laws of attraction and repulsion pertaining to the electro magnetic field.
Sociologists normally apply laws of attraction to human attraction. Some apply the analogy with Plato's laws burberry shield sunglasses and say people with same thoughts attract each other. Some argue, citing Newton's law saying opposites attract.

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