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Most concise way to convert a Set to a List
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... and thereby radically defying the Java code conventions: oracle.com/technetwork/java/javase/documentation/… ! :) :)
– Håvard Geithus
Feb 1 '14 at 0:49
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What is the difference between '&' and ',' in Java generics?
While reading the Java official tutorial about generics, I found that you can restrict the type argument (in this case is T ) to extend a class and/or more interfaces with the 'and' operator ( & ) like this:
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Format in kotlin string templates
...n stdlib function that can be used in a nice way and fully compatible with Java's String format (it's only a wrapper around Java's String.format())
See Kotlin's documentation
Your code would be:
val pi = 3.14159265358979323
val s = "pi = %.2f".format(pi)
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Why doesn't Java allow generic subclasses of Throwable?
According to the Java Language Sepecification , 3rd edition:
5 Answers
5
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Including jars in classpath on commandline (javac or apt)
... to setup all of the web service stuff I need to run apt. (Although using javac I am having the same issue). I think what I am getting is compile errors. (Shown at bottom).
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invalid target release: 1.7
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You need to set JAVA_HOME to your jdk7 home directory, for example on Microsoft Windows:
"C:\Program Files\Java\jdk1.7.0_40"
or on OS X:
/Library/Java/JavaVirtualMachines/jdk1.7.0_40.jdk/Contents/Home
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How to check if a String is numeric in Java
...tils.isParsable which basically checks the number is parsable according to Java. (The linked javadocs contain detailed examples for each method.)
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Effect of a Bitwise Operator on a Boolean in Java
... behaviour in the latter case is specified. See the section 15.22.2 of the Java Language Specification for details.
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Java Pass Method as Parameter
I am looking for a way to pass a method by reference. I understand that Java does not pass methods as parameters, however, I would like to get an alternative.
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console.writeline and System.out.println
...m.out.println("Console is: " + System.console());
}
}
results in:
$ java ConsoleTest
Console is: java.io.Console@2747ee05
$ java ConsoleTest </dev/null
Console is: null
$ java ConsoleTest | cat
Console is: null
The reason Console exists is to provide features that are useful in the speci...