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Sorting arraylist in alphabetical order (case insensitive)
... return s1.compareToIgnoreCase(s2);
}
});
Or if you are using Java 8:
list.sort(String::compareToIgnoreCase);
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How do I pass a variable by reference?
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I find it hard to buy. To me is just as Java, the parameters are pointers to objects in memory, and those pointers are passed via the stack, or registers.
– Luciano
Dec 13 '11 at 1:25
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List of all special characters that need to be escaped in a regex
... message template with a message that a user is trying to send. I am using Java regex for matching the message. The template/message may contain special characters.
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Spring get current ApplicationContext
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The following ApplicationContextProvider.java answer looks to be the most reliable solution for this.
– Ionut
Jan 17 '16 at 12:32
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How to implement a ViewPager with different Fragments / Layouts
.... Of course, any layout-file can be used for the Fragments.
FirstFragment.java has a orange background layout, SecondFragment.java has a green background layout and ThirdFragment.java has a red background layout. Furthermore, each Fragment displays a different text, depending on which class it is f...
Why does Java switch on contiguous ints appear to run faster with added cases?
I am working on some Java code which needs to be highly optimized as it will run in hot functions that are invoked at many points in my main program logic. Part of this code involves multiplying double variables by 10 raised to arbitrary non-negative int exponent s. One fast way (edit: but no...
Java Enum Methods - return opposite direction enum
... cannot be instantiated, but it illustrates my point). Is this possible in Java?
6 Answers
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What is the fastest method for selecting descendant elements in jQuery?
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jQuery('#stats').html(results);
}
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=7, IE=8, IE=9, chrome=1" />
<title>HTML5 test</title>
<script src="//code.jque...
Why switch is faster than if
Lots of Java books describe the switch statement as being faster than the if else statement. But I did not find out anywhere why switch is faster than if .
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Java: notify() vs. notifyAll() all over again
...d notifyAll() " then a lot of explanations will pop up (leaving apart the javadoc paragraphs). It all boils down to the number of waiting threads being waken up: one in notify() and all in notifyAll() .
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