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Dealing with “Xerces hell” in Java/Maven?
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When I try this, I get JavaMelody and Spring throwing java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal at runtime.
– David Moles
May 28 '14 at 19:15
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How to implement a queue with three stacks?
...m.sml) does not use this property of lists, as I have re-implemented it in Java using java.util.Stack objects. The only place where this feature is used is an optimization which allows immutable stacks to be "duplicated" in constant time, which base Java stacks cannot do (but which can be implemente...
Are non-synchronised static methods thread safe if they don't modify static class variables?
...you find one, its not thread safe.
Please be also aware, that most of the Java 1.5 Collection classes are not threadsafe, except those where stated, like ConcurrentHashMap.
And if you really want to dive into this, have a close look at the volatile keyword and ALL its side effects. Have a look at...
What's the difference between passing by reference vs. passing by value?
...s are "value types" and others are "reference types" -- among them are C#, Java, and JavaScript.
4There's nothing bad with recycling a fitting old term per se, but one has to somehow make it clear which meaning is used each time. Not doing that is exactly what keeps causing confusion.
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Apache Tomcat Not Showing in Eclipse Server Runtime Environments
...epler - http://download.ecliplse.org/releases/kepler
Expand "Web, XML, and Java EE Development"
Check JST Server Adapters (version 3.2.2)
After that I could define new Server Runtime Environments.
EDIT: With Eclipse 3.7 Indigo Classic, Eclipse Kepler and Luna, the steps are the same (with appropr...
Why does InetAddress.isReachable return false, when I can ping the IP address?
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Here are other, similar questions :
Detect internet Connection using Java
How do I test the availability of the internet in Java?
And even a reported bug on this same matter :
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4921816
Part 1 : A reproducible example of the problem
Note t...
When to use LinkedList over ArrayList in Java?
...ng a position in the list takes time proportional to the size of the list. Javadoc says "operations that index into the list will traverse the list from the beginning or the end, whichever is closer", so those methods are O(n) (n/4 steps) on average, though O(1) for index = 0.
ArrayList<E>, o...
Java ResultSet how to check if there are any results
... "forward only".
Compare the two throw sections:
http://docs.oracle.com/javase/7/docs/api/java/sql/ResultSet.html#isBeforeFirst()
http://docs.oracle.com/javase/7/docs/api/java/sql/ResultSet.html#first()
Okay, basically this means that you should use "isBeforeFirst" as long as you have a "forward...
Maven dependency for Servlet 3.0 API?
...but never mind...
Brabster separate dependencies have been replaced by Java EE 6 Profiles. Is there a source that confirms this assumption?
The maven repository from Java.net indeed offers the following artifact for the WebProfile:
<repositories>
<repository>
<id>java....
Convert Iterable to Stream using Java 8 JDK
I have an interface which returns java.lang.Iterable<T> .
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