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Static Block in Java [duplicate]
... Makes the code clearer and less repetitive. The folks that make Java specifications sometimes make things more confusing, but almost always there is a underlying reason to why they did it that way. Stream manipulation, anyone?
– Mindwin
Aug 28 '13 at...
Mod in Java produces negative numbers [duplicate]
When I calculate int i = -1 % 2 I get -1 in Java. In Python, I get 1 as the result of -1 % 2 .
What do I have to do to get the same behavior in Java with the modulo function?
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Java Programming - Where should SQL statements be stored? [closed]
... me that many people who are careful to build nicely-architected, clean OO Java code are the same people who tolerate writing messy, non-performant SQL and just sticking it as strings in random places. If your SQL is just strings in your DAO layer, then I can pretty much guarantee you don't have DB...
How to format all Java files in an Eclipse project at one time?
...e project and the code is not well formatted. I'd like to format all the .java files according to the settings in Eclipse. I don't want to edit every individual file with Ctrl + Shift + F . Is there a way to format all my files? Perhaps an Eclipse plugin?
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Method Overloading for null argument
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Java will always try to use the most specific applicable version of a method that's available (see JLS §15.12.2).
Object, char[] and Integer can all take null as a valid value. Therefore all 3 version are applicable, so Jav...
How to delete a folder with files using Java
I want to create and delete a directory using Java, but it isn't working.
25 Answers
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How to check if BigDecimal variable == 0 in java?
I have the following code in Java;
10 Answers
10
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Case objects vs Enumerations in Scala
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Another point for case objects is if you care about java interoperability. The Enumeration would return the values as Enumeration.Value, thus 1) requiring scala-library, 2) losing the actual type information.
– juanmirocks
Oct 24 '12 at 9...
How to convert Set to String[]?
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From Java 7 we can use String[] GPXFILES1 = myset.toArray(new String[0]) and that's recommended. Update the answer. "Since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version th...
implements Closeable or implements AutoCloseable
I'm in the process of learning Java and I cannot find any good explanation on the implements Closeable and the implements AutoCloseable interfaces.
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