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IRC log for #virtualJUG, 2015-07-07

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All times shown according to UTC.

Time S Nick Message
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15:59 radcortez hi everyone!
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16:02 radcortez hi everyone we are about to start
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16:02 sjmaple Hello, about to click the button now
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16:09 radcortez ok guys send your questions
16:09 radcortez and we will relay them to Josh
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16:15 radcortez no questions guys?
16:18 Sajol want to ask one question regarding exception.
16:20 Maldivia Sajol: write it here, and they'll ask it :)
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16:22 radcortez guys send your questions to ask Josh!
16:22 Maldivia speaking about almost-deprecated stuff, what about the constant Serializable-tax when adding new stuff? for instance with java8 lambdas can be serializable!
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16:23 sjmaple go for it Sajol - would you like to write it, or join the hangout to ask?
16:28 Arslan Hi guys
16:28 Arslan here's a question to all
16:28 Arslan how do you feel about annotations in Java?
16:28 Arslan should they be used sparingly or as much as possible?
16:29 Arslan and why?
16:29 Omkar_India Can we expect Brian Goetz for "Java Concurrency in Practice" in future ?
16:30 Omkar_India voice is echoing ...
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16:34 janne_ To Josh: Do you know Groovy and if yes what do you think about it? It has many features to reduce verbosity of java code
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16:35 pm771 Why Java bytes are signed in the first place?
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16:36 Maldivia pm771: all primitive number types in java are signed (well, except char)
16:37 pm771 May be wrongly but I do not see byte as a numeric type.
16:38 Maldivia pm771: it has value range of -128 .. 127, how is that nut a numeric type ?
16:38 pm771 I'm talking about purpose not implementation
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16:41 Maldivia pm771: well, byte being signed or not doesn't really matter though if you don't see them as numeric types!
16:41 Maldivia pm771: their binary representation isn't influenced if the 8th bit is used for sign or not
16:41 Sajol Sometimes it can be seen that rather than handling error by wrapping it by exception as soon as it is found, exception bubble up is done by throwing the exact exception? Is not it better to handle the error as soon as it is found?
16:41 Sajol It would be better if josh discusses regarding this two approaches.
16:41 Sajol Thanks
16:42 pm771 Yes it does. Interpretation of the most significant bit.
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16:46 _DaveB_ Item 72: don't depend on the thread scheduler, contains lots of "don't do" but not a lot of guidance on how to deal with cases where we can't reduce the number of runnable threads, i.e. 3rd part libraries, any suggestions on how to handle those cases in a portable way?
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16:48 Maldivia pm771: if I do "signed byte b = -1;" or "unsigned byte = 255;" -- they will still have the same binary representation (being all 8 bits set), the interpretation of MSB is only significant if I want to print out the numerical value or do comparison
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16:52 sjmaple coming up to time - it's gone quickly today!
16:52 sjmaple any final questions?
16:53 Sajol cool.. Thanks josh...
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16:57 PuZZleDucK If you were going to be stuck on a desert island   for years and you could only take three Java classes with you?  hahaha.
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16:59 sjmaple haha, great question, PuZZleDucK !
17:00 Maldivia Stream could probably be nice, for fresh water :)
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17:03 PuZZleDucK I'm off to look up ArrayDeck!  ... haha gotta print things out :)
17:03 pm771 If Josh decides to make an early revision of his 3rd edition available for us I'm sure nobody would object.
17:06 PuZZleDucK Cheers Josh & VJug orgs
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