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Core Patterns

Will Myers
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Joined: Aug 05, 2009
Posts: 326

Hi,
I am currently studying for the SCEA/OCMJEA part 1 and was wondering which patterns are essential to know? I have read a few books on the subject and it seems there are some pretty obscure ones out there so I don't want to waste my time studying patterns which are not relevant. Is there a published list somewhere?

Thanks
Willy
David Byron
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Joined: Jan 20, 2009
Posts: 172

will myers wrote:I am currently studying for the SCEA/OCMJEA part 1 and was wondering which patterns are essential to know? I have read a few books on the subject and it seems there are some pretty obscure ones out there so I don't want to waste my time studying patterns which are not relevant. Is there a published list somewhere?


If it's in GoF, it's essential to know.
If it's in Alur/Crupi/Malks and hasn't been superseded by framework evolution, it's essential to know.
If it's in neither of those sources and isn't reducible to a pattern that satisfies the previous two criteria, then you can skip it.


SCJD 6, OCPJP7, Baroque Potion, G+
Jeanne Boyarsky
internet detective
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Joined: May 26, 2003
Posts: 30537
    
150

The Cade/Sheil book's list seemed accurate to me. At least, I didn't get asked any patterns they didn't talk about.


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David Byron
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Joined: Jan 20, 2009
Posts: 172

And to pin that down: they list all 23 from GoF and all 21 from Alur et al.
Yegor Bugayenko
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Joined: Feb 11, 2011
Posts: 66
The most important are JEE Design Patterns Most of Part I questions are about them.


follow me at yegor256.com
Sharma Ashutosh
Bartender

Joined: Apr 06, 2001
Posts: 346
I referred to Real World JEE Patterns book by Adam Bien mentioned in my blog:
http://scea5-passingpart2and3.blogspot.com/


Ashutosh Sharma
SCJP 1.2, SCEA 5, Brainbench certified J2EE Developer, Documentum Certified Professional
Blog : http://scea5-passingpart2and3.blogspot.com/
Will Myers
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Joined: Aug 05, 2009
Posts: 326

How are the questions in part 1 that relate to patterns structured? Do they present a description of a problem and a list of patterns that fit the problem or is there an UML diagram that you have to identify as a pattern?
Sharma Ashutosh
Bartender

Joined: Apr 06, 2001
Posts: 346
When i appeared for SCEA5-part 1 way back in March 2009-I couldn't find any questions on patterns with UML. They could be of any nature, like:
1) Given a scenario-which pattern will be best fit.
2) Difference between two patterns
3) Principal on which a given pattern depends upon

They don't expect you to memorize the patterns but test you in terms of whether you understood the pattern really well or not?
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: Core Patterns