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What is the differenc between Enumeration interface and iterator interface according to accessing?
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Enumeration and Iterator both are using looping statement.Enumeration is legacy class.iterator is cotains extra
method than Enumeration.
Enumeration is a read only interface, by using this we can loop thro' the elements only. But using iterator interface we can traverse and also remove the object.
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Fire wire (IEEE-1394) is capable of using the high-speed isochronous transfer mode described for USB to support data transfer rates up to 400Mbps. This actually makes the Fire wire bus superior to the USB bus.
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Thursday, April 24, 2008
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A class can contain default implementation, while an interface should not contain any implementation at all.
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Thursday, April 03, 2008
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AJAX helps in refreshing / requerying parts of web page without reloading the entrie webpage there by increasing performance and ultimately user interface

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Tuesday, March 18, 2008
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Abstract class contains one or more unimplemented methods left for future implementation by its derived class.it has all property of class it cannot be instantiated.it provides default behaviour.

Interface is mear specification nothing is implemented its just a declaration.in java using interface we can model multiple inheritance. it provides design flexibility.
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Sunday, March 16, 2008
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Because all methods declared in an interface are (implicitly) also "abstract" methods, by definition, they do not define the (implementation of) the method.
This would cause problems with multiple inheritance. 

For  example, If object C implemented interfaces A and B, and both A and B defined a static method F(), then some method invoked C.F(), then which F() would get invoked?
The one from A() or the one from B()? We don~t know which, and can~t know, so Java doesn~t let us complicate matters thus.
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