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java Programming Glossary: clearlyIs it good practice to use java.lang.String.intern()? http://stackoverflow.com/questions/1091045/is-it-good-practice-to-use-java-lang-string-intern results. Also for everyone's sake please be sure to very clearly document that you're relying on the strings being internalized...
Interview : Can we instantiate abstract class? http://stackoverflow.com/questions/13670991/interview-can-we-instantiate-abstract-class reference pointing to subclass object . This behaviour is clearly listed in JLS Section # 15.9.1 If the class instance creation..
Using “final” modifier whenever applicable in java [closed] http://stackoverflow.com/questions/137868/using-final-modifier-whenever-applicable-in-java of the code and also prevents mistakes as the intention is clearly marked. What are your thoughts on this and what do you follow..
Overriding the java equals() method quirk http://stackoverflow.com/questions/185937/overriding-the-java-equals-method-quirk decided not to take the Book parameter even though it clearly was a Book object The only difference seemed to be it was instantiated..
Why should I care that Java doesn't have reified generics? http://stackoverflow.com/questions/1927789/why-should-i-care-that-java-doesnt-have-reified-generics Integer that for example actually contains String s. This clearly could be rendered impossible were type information reified but..
NoClassDefFoundError - Eclipse and Android http://stackoverflow.com/questions/2247998/noclassdeffounderror-eclipse-and-android getting the NoClassDefFoundError for a class that I could clearly see was included in the jar checking out the ReferencedLibraries..
Why is January month 0 in Java Calendar? http://stackoverflow.com/questions/344380/why-is-january-month-0-in-java-calendar which leads to ugly code with magic constants instead of clearly named methods An API which is very hard to reason about all..
How can we match a^n b^n with Java regex? http://stackoverflow.com/questions/3644266/how-can-we-match-an-bn-with-java-regex S aSb ab . Nonetheless modern day regex implementations clearly recognize more than just regular languages. That is they are.. to convince readers that regex can do almost anything it clearly can't and even for the things it can do at least partial delegation..
http://stackoverflow.com/questions/494869/file-changed-listener-in-java but a thread that polls the lastModified File property and clearly this solution is not optimal. java file listener share improve..
Sandbox against malicious code in a Java application http://stackoverflow.com/questions/502218/sandbox-against-malicious-code-in-a-java-application to submit their own code to be run by the server it would clearly be advantageous for any user submitted code to be run in side..
http://stackoverflow.com/questions/5038798/uploading-of-pdf-file jsp file upload share improve this question This is clearly a Roseindia code snippet. First of all it is the worst learning..
Why spawning threads in Java EE container is discouraged? http://stackoverflow.com/questions/533783/why-spawning-threads-in-java-ee-container-is-discouraged I come to think about it I don't know the reason. Can you clearly explain why it is discouraged I am sure most enterprise applications..
The case against checked exceptions http://stackoverflow.com/questions/613954/the-case-against-checked-exceptions smorgasbord of functionality methods for you to use with a clearly defined protocol for each one. That clearly defined protocol.. to use with a clearly defined protocol for each one. That clearly defined protocol is typically defined by a method signature... With a checked exception in getRowData this is clearly a case that's going to lead to Hejlsbergs lazy programmer simply..
What is the difference between Class.getResource() and ClassLoader.getResource()? http://stackoverflow.com/questions/6608795/what-is-the-difference-between-class-getresource-and-classloader-getresource file I recieved a null object. Browsing the directory clearly shows that the new file is there. The filenames were prepended..
What are the rules for evaluation order in Java? http://stackoverflow.com/questions/6800590/what-are-the-rules-for-evaluation-order-in-java way that presents a teachable moment Let me say this very clearly because people misunderstand this all the time Order of evaluation..
What's the difference between @Component, @Repository & @Service annotations in Spring? http://stackoverflow.com/questions/6827752/whats-the-difference-between-component-repository-service-annotations-in @Component or @Service for your service layer @Service is clearly the better choice. Similarly as stated above @Repository is..
How are SSL certificate server names resolved/Can I add alternative names using keytool? http://stackoverflow.com/questions/8443081/how-are-ssl-certificate-server-names-resolved-can-i-add-alternative-names-using in particular because most specific in RFC 2818 isn't clearly defined see discussions in RFC 6215 . If you're using keytool..
Platform.Runlater and Task Javafx http://stackoverflow.com/questions/13784333/platform-runlater-and-task-javafx queue with little Runnables a million of them in fact. Clearly we needed some API to make it easier to write background workers..
How to determine the class of a generic type? http://stackoverflow.com/questions/182636/how-to-determine-the-class-of-a-generic-type a 3rd party lib T bean T someObject.create T.class Snip... Clearly the example above doesn't work and results in the following..
Comparing strings with == which are declared final in Java http://stackoverflow.com/questions/19418427/comparing-strings-with-which-are-declared-final-in-java #10 Method java io PrintStream.println Z V 42 return Clearly it is storing str and ing in two separate variables and using..
Why can't I use a type argument in a type parameter with multiple bounds? http://stackoverflow.com/questions/197190/why-cant-i-use-a-type-argument-in-a-type-parameter-with-multiple-bounds cannot be followed by other bounds in IDEA take your pick. Clearly you're just Not Allowed to use the type parameter I there before..
Why does LinkedHashSet<E> extend HashSet<e> and implement Set<E> http://stackoverflow.com/questions/2165204/why-does-linkedhashsete-extend-hashsete-and-implement-sete there was some value in it but he since saw the light . Clearly JDK maintainers haven't considered this to be worth backing..
Why doesn't String's hashCode() cache 0? http://stackoverflow.com/questions/2310498/why-doesnt-strings-hashcode-cache-0 so with perfect distribution we'd expect to see only 8. Clearly by the time it's done we'll have a few times that many but not..
Any recommended Java profiling tutorial? [closed] http://stackoverflow.com/questions/2422289/any-recommended-java-profiling-tutorial each function takes and or how many times it is called. Clearly if a function takes very little time then speeding it up will..
QR Code encoding and decoding using zxing http://stackoverflow.com/questions/2489048/qr-code-encoding-and-decoding-using-zxing output 48454c4c4f 202b0b78cc00ec11ec11ec11ec11ec11ec11ec Clearly the text is being encoded but the actual bytes of data are completely..
What is the memory consumption of an object in Java? http://stackoverflow.com/questions/258120/what-is-the-memory-consumption-of-an-object-in-java can store the value as a primitive type Long 16 bytes also Clearly actual object size on the heap is subject to low level memory..
http://stackoverflow.com/questions/2790144/avoiding-instanceof-in-java of each 'switching' class i.e. Integer etc. in this case. Clearly this is not practical. Sometimes it isn't even logically the..
Java generics code compiles with javac, fails with Eclipse Helios http://stackoverflow.com/questions/3452859/java-generics-code-compiles-with-javac-fails-with-eclipse-helios of m1 is the same as the erasure of the signature of m2. Clearly the methods are not override equivalent since ArrayList String..
Volatile keyword in Java - Clarification http://stackoverflow.com/questions/3603157/volatile-keyword-in-java-clarification and main memory and locks and releases a monitor to boot. Clearly synchronized is likely to have more overhead than volatile...
How does the Java array argument declaration syntax “…” work? http://stackoverflow.com/questions/4211099/how-does-the-java-array-argument-declaration-syntax-work in the array declaration rather than the usual bracket . Clearly it works. In fact I wrote a small test and verified it works...
BouncyCastle AES error when upgrading to 1.45 http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45 bits seedLength 3 64 was changed to bits seedLength 3 64 Clearly it was a bug that was fixed but it means that given the same..
What does “…” mean in Java? [duplicate] http://stackoverflow.com/questions/4618930/what-does-mean-in-java in the array declaration rather than the usual bracket . Clearly it works. In fact I wrote a small test and verified it works...
Java Generics WildCard Question: List<? extends A> http://stackoverflow.com/questions/5495383/java-generics-wildcard-question-list-extends-a
What are the rules for evaluation order in Java? http://stackoverflow.com/questions/6800590/what-are-the-rules-for-evaluation-order-in-java and the multiplication happens before the second addition. Clearly we can do the calls to A B C and D in any order and still obey..
Limited selection in a JTextField/JTextComponent? http://stackoverflow.com/questions/7421337/limited-selection-in-a-jtextfield-jtextcomponent be the prefix and the suffix for a display text of 3.50 . Clearly this is simple to do. However the user is still allowed to select..
What is Boilerplate code , Hot code and Hot spots? http://stackoverflow.com/questions/7916985/what-is-boilerplate-code-hot-code-and-hot-spots right OK so where's the hotspot and where's the bottleneck Clearly there's a hotspot in the indexing operator function but is that..
http://stackoverflow.com/questions/852453/accesscontroller-doprivileged of the calling class irrespective of how it was called. Clearly doPrivileged is something you need to be careful with. The code..
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