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What is a daemon thread in Java?
Can anybody tell me what daemon threads are in Java ?
26 Answers
26
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What makes JNI calls slow?
I know that 'crossing boundaries' when making a JNI call in Java is slow.
3 Answers
3
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Can I multiply strings in Java to repeat sequences? [duplicate]
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The easiest way in plain Java with no dependencies is the following one-liner:
new String(new char[generation]).replace("\0", "-")
Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated.
All this do...
junit & java : testing non-public methods [duplicate]
...red for protected actually, if your class under test is in src/box/of/Cats.java, in your test project put the test class to src/box/of/CatsTest.java and link the projects. That way your test classes seem to be in same package and thus can access each other's protected methods.
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Why not use java.util.logging?
... the first time in my life I find myself in a position where I'm writing a Java API that will be open sourced. Hopefully to be included in many other projects.
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Good Hash Function for Strings
... computinglife.wordpress.com/2008/11/20/… explaining why 31 was used for Java string hashing. There is no mathematical proof given, but it does explain the general concept as to why primes work better.
– Pharap
Sep 24 '13 at 0:39
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How to format strings in Java
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In addition to String.format, also take a look java.text.MessageFormat. The format less terse and a bit closer to the C# example you've provided and you can use it for parsing as well.
For example:
int someNumber = 42;
String someString = "foobar";
Object[] args = ...
Why would I use Scala/Lift over Java/Spring? [closed]
...n is a bit open but I have been looking at Scala/Lift as an alternative to Java/Spring and I wonder what are the real advantages that Scala/Lift has over it. From my perspective and experience, Java Annotations and Spring really minimizes the amount of coding that you have to do for an application. ...
Synchronization vs Lock
java.util.concurrent API provides a class called as Lock , which would basically serialize the control in order to access the critical resource. It gives method such as park() and unpark() .
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How do I get whole and fractional parts from double in JSP/Java?
How do I get whole and fractional parts from double in JSP/Java ? If the value is 3.25 then I want to get fractional =.25 , whole = 3
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