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What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
...tomized by the specific
configuration of your Workbench.
With only the java developer tools (JDT) installed the Project Explorer nearly looks and behaves for java projects as the Package Explorer (including refactoring and other source code operations in the context menu). But Project Explorer i...
Why doesn't java.lang.Number implement Comparable? [duplicate]
Does anyone know why java.lang.Number does not implement Comparable ? This means that you cannot sort Number s with Collections.sort which seems to me a little strange.
...
How to use MDC with thread pools?
...f things that need to be processed in the background. For that we use the java.concurrent.ThreadPoolExecutor and java.util.Timer classes along with some self-rolled async execution services. All these services manage their own thread pool.
...
Java equivalent of unsigned long long?
...unsigned integer, via unsigned long long int , or via uint64_t . Now, in Java longs are 64 bits, I know. However, they are signed.
...
What are “Groovy” and “Grails” and what kinds of applications are built using them?
...e Groovy on Grails when we have standard programming languages like C/C++, Java/J2EE, and .NET/C#?
Because of point 5.
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In Java, are enum types inside a class static?
...ew-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f663834%2fin-java-are-enum-types-inside-a-class-static%23new-answer', 'question_page');
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Useful example of a shutdown hook in Java?
I'm trying to make sure my Java application takes reasonable steps to be robust, and part of that involves shutting down gracefully. I am reading about shutdown hooks and I don't actually get how to make use of them in practice.
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When do I need to use AtomicBoolean in Java?
... better than code
which uses Object level
monitors/synchronization. Since,
Java's synchronization mechanisms
makes code wait, when there are lots
of threads running through your
critical sections, a substantial
amount of CPU time is spent in
managing the synchronization
mechanism itself (waiting, no...
Why do Java webapps use .do extension? Where did it come from?
I have always wondered why so many Java developers use ".do" as the extension for their web controller (MVC) resources. Example: http://example.com/register.do
...
How do I count the number of occurrences of a char in a String?
...is (a) requiring 3rd party libs and (b) expensive.
– javadba
Jan 23 '14 at 21:24
This only work with spring frame work...