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How to get milliseconds from LocalDateTime in Java 8

...poch) using the new LocalDate , LocalTime or LocalDateTime classes of Java 8. 9 Answers ...
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Why are interface variables static and final by default?

Why are interface variables static and final by default in Java? 15 Answers 15 ...
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Java synchronized method lock on object, or method?

... can't do this. I would suggest you to use AtomicInteger instead: import java.util.concurrent.atomic.AtomicInteger; class X { AtomicInteger a; AtomicInteger b; public void addA(){ a.incrementAndGet(); } public void addB(){ b.incrementAndGet(); } } ...
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How do I change Eclipse to use spaces instead of tabs?

... Java Editor Click Window » Preferences Expand Java » Code Style Click Formatter Click the Edit button Click the Indentation tab Under General Settings, set Tab policy to: Spaces only Click OK ad nauseam to apply the chang...
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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...
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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...
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Java integer to byte array

... using Java NIO's ByteBuffer is very simple: byte[] bytes = ByteBuffer.allocate(4).putInt(1695609641).array(); for (byte b : bytes) { System.out.format("0x%x ", b); } output: 0x65 0x10 0xf3 0x29 ...
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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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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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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 2...