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Can a java file have more than one class?
What is the purpose of having more than one class in a Java file ? I am new to Java.
18 Answers
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It is more efficient to use if-return-return or if-else-return?
...unction, the two forms are equivalent (although the second one is arguably more readable than the first).
The efficiency of both forms is comparable, the underlying machine code has to perform a jump if the if condition is false anyway.
Note that Python supports a syntax that allows you to use onl...
What is the difference between a map and a dictionary?
...ave separate meanings in programming too, so I'd avoid them.
See here for more info.
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Why is Lisp used for AI? [closed]
...ave yet to find AI examples or anything in the language that would make it more inclined towards it.
10 Answers
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How are 3D games so efficient? [closed]
... since you can't see it, there's no need to try to show it to you.
Furthermore, optimized instructions and special techniques exist when you're developing against a particular set of hardware, to enable even better speedups.
The other part of your question is why a demo uses so much CPU:
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MIT vs GPL license [closed]
...encrypted, as long as it carries the MIT license notice.
is the GPL is more restrictive than the MIT license?
Yes, very much so.
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answered Aug 1...
What is the difference between Builder Design pattern and Factory Design pattern?
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With design patterns, there usually is no "more advantageous" solution that works for all cases. It depends on what you need to implement.
From Wikipedia:
Builder focuses on constructing a
complex object step by step. Abstract
Factory emphasizes a family ...
Last iteration of enhanced for loop in java
.... However, the important point is readability. I happen to find my version more readable than Dinah's. If you feel the opposite way, that's fine. I'd only consider the performance impact of the unnecessary "ifs" after finding a bottleneck.
– Jon Skeet
Mar 21 '0...
jQuery pass more parameters into callback
Is there a way to pass more data into a callback function in jQuery?
14 Answers
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