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How to get the first non-null value in Java?
Is there a Java equivalent of SQL's COALESCE function? That is, is there any way to return the first non-null value of several variables?
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How do I run IDEA IntelliJ on Mac OS X with JDK 7?
...) make sure you have LANG=en_US.UTF-8 in your environment, see the related Java issues:
http://java.net/jira/browse/MACOSX_PORT-165
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7187821
Refer to this thread for debugging launcher issues.
Please also be aware that GUI applications on Mac ha...
What does the arrow operator, '->', do in Java?
... code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator.
5 Answers
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Compiling a java program into an executable [duplicate]
...ese ways:
(source: viralpatel.net)
1- JSmooth .exe wrapper:
JSmooth is a Java Executable Wrapper. It creates native Windows launchers (standard .exe) for your java applications. It makes java deployment much smoother and user-friendly, as it is able to find any installed Java VM by itself. When no...
What is difference between cacerts and keystore?
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cacerts is where Java stores public certificates of root CAs. Java uses cacerts to authenticate the servers.
Keystore is where Java stores the private keys of the clients so that it can share it to the server when the server requests client ...
What is float in Java?
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In Java, when you type a decimal number as 3.6, its interpreted as a double. double is a 64-bit precision IEEE 754 floating point, while floatis a 32-bit precision IEEE 754 floating point. As a float is less precise than a doub...
Android Studio needs JDK 7 for Android-L mac
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Setting the directory to:
/Library/Java/JavaVirtualMachines/jdk1.7.0_60.jdk/Contents/Home
in JDK settings solved my issue. I had the same problem getting started up. Hope this helps!
s...
How to use java.String.format in Scala?
...a .format method of a string. But if I place %1, %2, etc. in the string, java.util.UnknownFormatConversionException is thrown pointing to a confusing Java source code piece:
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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
In Java you can suspend the current thread's execution for an amount of time using Thread.sleep() . Is there something like this in Objective-C?
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C++ equivalent of java's instanceof
What is the preferred method to achieve the C++ equivalent of java's instanceof ?
6 Answers
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