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java Programming Glossary: doesWhy is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array the direction with a flag. But in computers the processor doesn't know which direction a branch will go until the last moment... moves for this branch even under Ox . Intel Compiler 11 does something miraculous. It interchanges the two loops thereby..
Why is Java Vector class considered obsolete or deprecated? http://stackoverflow.com/questions/1386275/why-is-java-vector-class-considered-obsolete-or-deprecated copies of the underlying array as CopyOnWriteArrayList does then is it fine to use Vector What about Stack which is a subclass..
What is the difference between JSF, Servlet and JSP? http://stackoverflow.com/questions/2095397/what-is-the-difference-between-jsf-servlet-and-jsp the view with the model such as your ASP.NET web control does and the FacesServlet uses the JSF component tree to do all the..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android kernel mechanism to collect its data than meminfo does and they give slightly different results. Why is that Honestly..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet return null This can all also be done in a Filter which does all the job transparently so that you can continue using the..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it though is NOT to use a raw type and let the compiler does all the work for you harnessing the power of Java generics... to a List . On the other hand since the raw type List does not have type safety you can add just about anything to a List.. code remains legal and interoperable with new code that does use generics. It had to be legal to pass instances of parameterized..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests URLConnection#getInputStream and so on. The above examples does exactly that so the connect call is in fact superfluous. Gathering..
What is a serialVersionUID and why should I use it? http://stackoverflow.com/questions/285793/what-is-a-serialversionuid-and-why-should-i-use-it a serialVersionUID is missing. The serializable class Foo does not declare a static final serialVersionUID field of type long.. final long serialVersionUID 42L If a serializable class does not explicitly declare a serialVersionUID then the serialization..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android services soap wsdl share improve this question Android does not provide any sort of SOAP library. You can either write your..
GUI not working after rewriting to MVC http://stackoverflow.com/questions/3066590/gui-not-working-after-rewriting-to-mvc tried placing repaint in different places but it simply does not work at all Main public class Main public static void main..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading only the first time the first user accessed it or does it get instantiated for all the users separately java multithreading.. web.xml which defaults to 30 minutes. So when the client doesn't visit the webapp anymore for over 30 minutes then the servletcontainer..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files with various opening and closing braces Where the heck does this closing brace belong to . An easy aid is to configure your.. What's the difference between JSP Servlet and JSF How does Servlet ServletContext HttpSession and HttpServletRequest Response..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications can be represented by plain vanilla HTML CSS JS and it does not maintain state across requests. This is how among others.. validate the request parameters yourself. The Controller does this task and sets the gathered converted and validated request..
Generating random numbers in a range with Java http://stackoverflow.com/questions/363681/generating-random-numbers-in-a-range-with-java a double value in the range 0 1 . Notice this range does not include the 1. In order to get a specific range of values.. that means 5 10 5 Math.random 10 5 But this is still doesn't include Max and you are getting a double value. In order..
How to: generic array creation http://stackoverflow.com/questions/529085/how-to-generic-array-creation in return is your GenSet checked or unchecked What does that mean checked strong typing . GenSet knows explicitly what..
How can I lock a file using java (if possible) http://stackoverflow.com/questions/128038/how-can-i-lock-a-file-using-java-if-possible that second process know that the file is already opened Does this automaticaly makes the second process get an exception..
http://stackoverflow.com/questions/1567601/android-ftp-library that can download and resume files from an FTP server. Does anyone know of such a library. I've found lots of client apps..
Places where JavaBeans are used? http://stackoverflow.com/questions/1727603/places-where-javabeans-are-used user.birthdate pattern yyyy MM dd td tr c forEach table Does it make sense You see it's kind of a convention which you can..
Java web development, what skills do I need? [closed] http://stackoverflow.com/questions/1958808/java-web-development-what-skills-do-i-need there for the web I know there is Hibernate for an ORM. Does Java have MVC What about JSP Can MVC and JSP be together NetBeans.. has also a JPA implementation the EntityManager . Does java have MVC what about JSP can MVC and JSP be together beans..
Recursively list files in Java http://stackoverflow.com/questions/2056221/recursively-list-files-in-java do I recursively list all files under a directory in Java Does the framework provide any utility I saw a lot of hacky implementations...
NoClassDefFoundError - Eclipse and Android http://stackoverflow.com/questions/2247998/noclassdeffounderror-eclipse-and-android or restarting eclipse I have already tried all three . Does anyone know how I can amend this java android eclipse ant build..
What are the pros and cons of the assorted Java web frameworks? [closed] http://stackoverflow.com/questions/24596/what-are-the-pros-and-cons-of-the-assorted-java-web-frameworks some of these frameworks and can make a recommendation Does the sheer number of choices just serve as an early warning to..
Is it possible to use JSF+Facelets with HTML 4/5? http://stackoverflow.com/questions/2935759/is-it-possible-to-use-jsffacelets-with-html-4-5 It has utterly no value at the client side. See also Does using JSP Document JSP in XML notation imply outputting XHTML..
How to create a Java String from the contents of a file? http://stackoverflow.com/questions/326390/how-to-create-a-java-string-from-the-contents-of-a-file the most wide spread at least in the sites I've visited. Does anyone have a better different way to read a file into a string..
Java generics - type erasure - when and what happens http://stackoverflow.com/questions/339699/java-generics-type-erasure-when-and-what-happens occurs when the class is loaded but it is just a guess. Does anybody here know for sure java generics type erasure share..
How to increase to Java stack size? http://stackoverflow.com/questions/3700459/how-to-increase-to-java-stack-size either but Xss20m was enough in all 100 runs out of 100 . Does garbage collection the JIT kicking in or something else cause..
Best practices for exception management in Java or C# http://stackoverflow.com/questions/409563/best-practices-for-exception-management-in-java-or-c-sharp exception being thrown How does it make sense to handle it Does the caller really care about the exception or do they just care..
How to get a list of current open windows/process with Java? http://stackoverflow.com/questions/54686/how-to-get-a-list-of-current-open-windows-process-with-java to get a list of current open windows process with Java Does any one know how do I get the current open windows or process..
Why is super.super.method(); not allowed in Java? http://stackoverflow.com/questions/586363/why-is-super-super-method-not-allowed-in-java
Does finally always execute in Java? http://stackoverflow.com/questions/65035/does-finally-always-execute-in-java finally always execute in Java I have a try catch block with..
How to set HttpResponse timeout for Android in Java http://stackoverflow.com/questions/693997/how-to-set-httpresponse-timeout-for-android-in-java at line HttpResponse response httpClient.execute method Does anyone know how to set the timeout in order to avoid waiting..
Java inner class and static nested class http://stackoverflow.com/questions/70324/java-inner-class-and-static-nested-class between a inner class and a static nested class in Java Does design implementation play a role in choosing any of these ..
http://stackoverflow.com/questions/8710619/java-operator j 8 Then i i j will not compile but i j will compile fine. Does it mean that in fact i j is a shortcut for something like this..
http://stackoverflow.com/questions/995944/ssh-library-for-java library for Java Does anyone know of a good library for SSH login from Java. java..
ejb lookup failing with NamingException http://stackoverflow.com/questions/1473939/ejb-lookup-failing-with-namingexception ejbRemove ejbPassivate and ejbActivate. Notice our bean DOES NOT IMPLEMENT our business interface because of EJB specification..
How to gracefully handle the SIGKILL signal in Java http://stackoverflow.com/questions/2541597/how-to-gracefully-handle-the-sigkill-signal-in-java SIGTERM kill 15 the shutdown hook will work. SIGINT kill 2 DOES cause the program to gracefully exit and run the shutdown hooks... the shutdown hook didn't think it would. On a kill 15 it DOES run the shutdown hook every time. public class TestShutdownHook..
Implemeting 2 interfaces in a class with same method.Which interface method is overridden? http://stackoverflow.com/questions/2801878/implemeting-2-interfaces-in-a-class-with-same-method-which-interface-method-is-o boolean present interface Presentable extends Gift Guest DOES NOT COMPILE types InterfaceTest.Guest and InterfaceTest.Gift..
Multiple wildcards on a generic methods makes Java compiler (and me!) very confused http://stackoverflow.com/questions/3546745/multiple-wildcards-on-a-generic-methods-makes-java-compiler-and-me-very-confu List list1 List list2 list1.addAll list2 DOES NOT COMPILE The method addAll Collection extends capture#1.. List List extends Number lol List list lol.add list DOES NOT COMPILE As expected The method add List extends Number.. lol null List String list null probablyIllegal lol list DOES NOT COMPILE The method probablyIllegal List List List in the..
How do I manage cookies with HttpClient in Android and/or Java? http://stackoverflow.com/questions/3587254/how-do-i-manage-cookies-with-httpclient-in-android-and-or-java understanding my confusion am adding code that I know DOES work and maintains a session but when I tried to move the code..
read/write to Windows Registry using Java http://stackoverflow.com/questions/62289/read-write-to-windows-registry-using-java of code which Can read write to ANY part of the registry. DOES NOT USE JNI. DOES NOT USE ANY 3rd PARTY EXTERNAL APPLICATIONS.. read write to ANY part of the registry. DOES NOT USE JNI. DOES NOT USE ANY 3rd PARTY EXTERNAL APPLICATIONS TO WORK. DOES NOT.. DOES NOT USE ANY 3rd PARTY EXTERNAL APPLICATIONS TO WORK. DOES NOT USE THE WINDOWS API directly This is pure Java code. It..
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