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How to get a index value from foreach loop in jstl
...rror: loop is not defined ` and +1 for your effort
– Java Questions
Sep 16 '13 at 10:46
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...you're a Scala developer, then Akka should be a no-brainer. However Akka's Java bindings are not very Java-ish and require casting due to Scala's type system.
Also in Java people don't typically make immutable objects which I recommend you do for messaging. Consequently its very easy in Java to ac...
How do I hotkey directly to File Search tab in Eclipse
When I use CTRL + H I end up on the Java Search tab. I would very much like a shortcut to go directly to File Search instead. Is that possible?
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Technically what is the main difference between Oracle JDK and OpenJDK? [duplicate]
...mmercial one)
They both have "almost" the same code of the classes in the Java API; but the code for the virtual machine itself is actually different, and when it comes to libraries, OpenJDK tends to use open libraries while Oracle tends to use closed ones; for instance, the font library.
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Any reason to prefer getClass() over instanceof when generating .equals()?
...iskov substitution principle, and can lead to very surprising behavior. In Java, it's particularly important because most of the collections (HashTable, etc.) are based on the equals method. If you put a member of the super class in a hash table as the key and then look it up using a subclass instan...
How to convert / cast long to String?
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Nice, but note that java.util.Objects is only available since Java 7.
– Guillaume Husta
Jul 23 '14 at 9:12
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Is there a way to get the source code from an APK file?
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Simple way: use online tool http://www.javadecompilers.com/apk, upload apk and get source code.
Procedure for decoding .apk files, step-by-step method:
Step 1:
Make a new folder and copy over the .apk file that you want to decode.
Now rename the extension of th...
Android Archive Library (aar) vs standard jar
... as the standard build system for Android apps. Well, coming from standard Java development I usually depend on jar files in order to build my project. However it seems that Android has also aar packages, which are the equivalent to the dll files in a Windows OS, as mentioned here :
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What does the red exclamation point icon in Eclipse mean?
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According to the documentation:
Decorates Java projects and working
sets that contain build path errors
In practice, I've found that a "build path error" may be caused by any number of reasons, depending on what plugins are active. Check the "Problems" view for ...
Java JUnit: The method X is ambiguous for type Y
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f1811103%2fjava-junit-the-method-x-is-ambiguous-for-type-y%23new-answer', 'question_page');
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