Third for [java] and second for [concurrency]

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awarded Good Answer
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awarded Enlightened
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awarded Nice Answer
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revised Java SimpleDateFormat for YYYY-MM-DDThh:mm:ssTZD
deleted 2 characters in body
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comment Does does the java-o-o extension support the "+=" operator?
@reubenjohn No problem, don't be surprised when people answer what they think the question was. sometimes they answer without reading carefully, so if you are doing something different you have to make it really obvious.
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comment Does does the java-o-o extension support the "+=" operator?
@reubenjohn It wasn't clear to me that you were using a preprocessor addon. It is not one of the listed operators. I suggest you ask the developers via github whether this is supported or planned, if they don't know, no-one does.
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answered Is it possible to run multithreaded application on a single core of multicore computer?
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comment How to get method parameter value from java stack trace
Can you give an example of your "Automatic processing" which would work for a String and an int?
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comment PubSub model in java
I suggest you spend more time on design and work out specifically what you want. It's like saying; I want a holiday which doesn't have to be to a city, how much will it cost and where should I go?
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comment How to get method parameter value from java stack trace
To get access to arguments, the best thing to do is to pass them.
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comment Does does the java-o-o extension support the "+=" operator?
There is no operator which is equivalent to += The compiler replaces a += b; with something like a = a + b;
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answered Java SimpleDateFormat for YYYY-MM-DDThh:mm:ssTZD
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comment Java compile error
All keywords in Java are purely in lower case. i.e. case matters in Java.
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comment What is random seed about?
@newbieprogrammer Notionally, encryption without a salt uses an empty salt, but I don't see how this is related to your question. Ecryption with a salt will use a random salt.
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comment What is random seed about?
If you have trouble working out that in the constructor Random(long seed) the argument you give is the seed, you have to go back to basics of Java. docs.oracle.com/javase/7/docs/api/java/util/…)
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comment Get a list of key's in HashMap having key like 'some value'
How efficient do you want it to be? You can do a brute force search of HashMap, or you can use a NavigableMap efficiently, but the code is far more complicated. i.e. if a brute force search isn't obvious to you, don't attempt using a NavigableMap.
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answered Java: Get Value of an object and parse it as a long
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comment High Performance Java UDP server
I assume you understand that UDP is an unreliable protocol and the importance of avoiding NACK storms. ;)
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comment High Performance Java UDP server
This is really off topic, without a definitive answer. I am sure someone has tried vert.x In my experience, the hardware you use like which network card and router matter much more than the software you use.
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revised Python's equivalent Java's function wait(), notify(), synchronized
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