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Collections API?

 
sonir shah
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Hello
I am not able to understand the concepts of API.
Are they important from the exam point of view? please let me know what part should be given more emphasis in API.
and how much are we supposed to learn and know as far as the exam is concerned?
Sonir
 
Fei Ng
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It is common to have questions on Collection class, collection interface, list, map... etc etc. I think it is important to know what they are at least. Using them in code is another story. So, you don't really have the know them in code! Just know what is the different between them and when to use them in cases.
check this out.
http://www.janeg.ca/scjp/utilPkg.html

happy new year.
 
sonir shah
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ok..
Is it enough to know what they actually mean?.I mean their differneces etc..
By the ways what's the full form of API?
Sonir
 
Jose Botella
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Application Programming Interface
 
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