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Avoid synchronized(this) in Java?
Whenever a question pops up on SO about Java synchronization, some people are very eager to point out that synchronized(this) should be avoided. Instead, they claim, a lock on a private reference is to be preferred.
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Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
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– Salah Atwa
Jun 21 at 22:08
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How do I make the method return type generic?
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I don't disagree about that, but we are dealing with Java and all of its design decisions/foibles. I see this question as just trying to learn what is possible in Java generics, not as an xyproblem (meta.stackexchange.com/questions/66377/what-is-the-xy-problem) that needs to be...
Java: how to convert HashMap to array
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@Alex "In older Java versions using pre-sized array was recommended (...) However since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version the same and sometimes even better, compared to t...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...hers already answered about that, so I won't elaborate.
1. When coding in Java or C#, you already use RAII...
MONSIEUR JOURDAIN: What! When I say, "Nicole, bring me my slippers,
and give me my nightcap," that's prose?
PHILOSOPHY MASTER: Yes, Sir.
MONSIEUR JOURDAIN: For more than for...
AngularJS : When to use service instead of factory
...nswered Sep 9 '14 at 8:22
Steve LangSteve Lang
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Assign variable in if condition statement, good practice or not? [closed]
I moved one years ago from classic OO languages such like Java to JavaScript. The following code is definitely not recommended (or even not correct) in Java:
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Difference between class and type
Being new to Java, I'm confused between the concepts of class and type .
For example, should the object "Hello World!" belong to the type String or class String ? Or maybe both?
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Creating Unicode character from its number
I want to display a Unicode character in Java. If I do this, it works just fine:
13 Answers
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Java recursive Fibonacci sequence
...b(1) + fib(1) + fib(0)
-> 1 + 0 + 1 + 1 + 0
-> 3
I am not sure how Java actually evaluates this, but the result will be the same.
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