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java Programming Glossary: afterWhy 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 correctly predict the branch except for the few iterations after it switches direction. Quick visualization T branch taken N..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times void init In @PostConstruct will be invoked immediately after construction and dependency property injection . someProperty..
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 of legacy code. The use of raw types in code written after the introduction of genericity into the Java programming language..
GUI not working after rewriting to MVC http://stackoverflow.com/questions/3066590/gui-not-working-after-rewriting-to-mvc not working after rewriting to MVC I'm practicing MVC style programming. I have..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense be lost in the real view scoped bean which is restored after the view tree is built. In a nutshell Use JSTL tags to control..
Switch Statement with Strings in Java http://stackoverflow.com/questions/338206/switch-statement-with-strings-in-java cases have been implemented in Java SE 7 at least 16 years after they were first requested. A clear reason for the delay was.. If the constants are dense they are used as an index after subtracting the lowest value into a table of instruction pointers&mdash..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications example the method and pathinfo the pathinfo is the part after the context and servlet path in the request URL excluding the..
Prevent user from going back to the previous secured page after logout http://stackoverflow.com/questions/4194207/prevent-user-from-going-back-to-the-previous-secured-page-after-logout user from going back to the previous secured page after logout I have the requirement that the enduser should not be.. should not be able to go back to the restricted page after logout signout. But currently the enduser is able to do that.. to access the restricted page using browser back button after signout. Enduser should not be able to access any restricted..
Migrating from JSF 1.2 to JSF 2.0 http://stackoverflow.com/questions/4441713/migrating-from-jsf-1-2-to-jsf-2-0 Best is to just write unit tests run them before and after the upgrade and fix any issues individually. Here are at least..
How do I write a correct micro-benchmark in Java? http://stackoverflow.com/questions/504103/how-do-i-write-a-correct-micro-benchmark-in-java . Prefer server to client and regular to OSR if you are after best performance. Rule 4 Be aware of initialization effects...
How can I update a JFreeChart's appearance after it's been made visible? http://stackoverflow.com/questions/5522575/how-can-i-update-a-jfreecharts-appearance-after-its-been-made-visible can I update a JFreeChart's appearance after it's been made visible How can I use JFreeChart to dynamically.. use JFreeChart to dynamically update a chart's appearance after it's been made visible java swing dynamic jfreechart share..
Remove Top-Level Container on Runtime http://stackoverflow.com/questions/6309407/remove-top-level-container-on-runtime consumed by the heavyweight peer but it can't do so until after the WINDOW_CLOSING event is processed on the EventQueue . Even..
How to choose the right bean scope? http://stackoverflow.com/questions/7031885/how-to-choose-the-right-bean-scope experience inconsitenties when interacting with every view after switching between tabs which is bad for user experience. Abusing..
Scanner issue when using nextLine after nextXXX http://stackoverflow.com/questions/7056749/scanner-issue-when-using-nextline-after-nextxxx issue when using nextLine after nextXXX I've faced an issue when I'm trying to get the user..
Dealing with “java.lang.OutOfMemoryError: PermGen space” error http://stackoverflow.com/questions/88235/dealing-with-java-lang-outofmemoryerror-permgen-space-error running on Tomcat 6 and JDK 1.6. Apparently this can occur after redeploying an application a few times. java exception memory..
Why 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 half of the iterations will not enter the if statement. After that they will all enter the if statement. This is very friendly..
Is there any way to accept only numeric values in a JTextField? http://stackoverflow.com/questions/1313390/is-there-any-way-to-accept-only-numeric-values-in-a-jtextfield @Override public void focusGained FocusEvent e After a formatted text field gains focus it replaces its text with..
Swing animation running extremely slow http://stackoverflow.com/questions/14886232/swing-animation-running-extremely-slow want to move. Returning to the process_car_arrival event. After adding a Car object it invokes a method addCarToEast in the..
NoClassDefFoundError - Eclipse and Android http://stackoverflow.com/questions/2247998/noclassdeffounderror-eclipse-and-android the normal Eclipse way. This worked fine until my update. After my update I was getting the NoClassDefFoundError for a class..
Why is it a bad practice to call System.gc? http://stackoverflow.com/questions/2414105/why-is-it-a-bad-practice-to-call-system-gc is it a bad practice to call System.gc After answering to a question about how to force free objects in Java.. EDIT to address a few concerns from the other thread After reading the thread you linked there's a few more things I'd..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet input type file name file input type submit form After submitting such a form the binary multipart form data is available..
Trusting all certificates using HttpClient over HTTPS http://stackoverflow.com/questions/2642777/trusting-all-certificates-using-httpclient-over-https internet. Your question is just what I want to know. After I did some searches the conclusion is as follows. In HttpClient..
Fastest way to determine if an integer's square root is an integer http://stackoverflow.com/questions/295579/fastest-way-to-determine-if-an-integers-square-root-is-an-integer Update I've tried the different solutions presented below. After exhaustive testing I found that adding 0.5 to the result of..
JPanel in puzzle game not updating http://stackoverflow.com/questions/3078178/jpanel-in-puzzle-game-not-updating them. java swing share improve this question After changing the components you need to 'refresh' the Swing component..
Java Process with Input/Output Stream http://stackoverflow.com/questions/3643939/java-process-with-input-output-stream Stdout line line reader.readLine if line null break After doing this I could reliably run a few commands and have the..
How to deal with “java.lang.OutOfMemoryError: Java heap space” error (64MB heap size) http://stackoverflow.com/questions/37335/how-to-deal-with-java-lang-outofmemoryerror-java-heap-space-error-64mb-heap and the program keeps the opened objects in the memory. After a quick research I found Ergonomics in the 5.0 Java Virtual..
If profiler is not the answer, what other choices do we have? http://stackoverflow.com/questions/4387895/if-profiler-is-not-the-answer-what-other-choices-do-we-have profiler is not the answer what other choices do we have After watching the presentation Performance Anxiety of Joshua Bloch..
Are getters and setters poor design? [closed] http://stackoverflow.com/questions/565095/are-getters-and-setters-poor-design Despite this the main game class is still pretty hefty. After taking a quick look at my code the majority of it was Getters..
Calling awt Frame methods from subclass http://stackoverflow.com/questions/5665156/calling-awt-frame-methods-from-subclass container's layout via the removeLayoutComponent method. After this call repaint on the JPanel . Try it out it might work ...
java wait cursor display problem http://stackoverflow.com/questions/6051755/java-wait-cursor-display-problem java swing busy cursor share improve this question After searching the internet I found the answer to my question. The..
Array or List in Java. Which is faster? http://stackoverflow.com/questions/716597/array-or-list-in-java-which-is-faster used arrays everywhere . It made the code very inflexible. After changing large chunks of it to Lists we noticed no difference..
JAR Bundler using OSXAdapter causing application to lag or terminate http://stackoverflow.com/questions/7519244/jar-bundler-using-osxadapter-causing-application-to-lag-or-terminate java osx swing jarbundler share improve this question After doing it I'm not fully convinced a SwingWorker is a simpler..
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 certificates I have been using keytool to generate them . After I add the certificates as trusted in the OS the browsers IE..
http://stackoverflow.com/questions/9010734/why-do-i-need-to-nest-a-component-with-rendered-some-in-another-component-w setResults true Where searchResults is an ArrayList. After a search it is not null checked in multiple tests can be null..
http://stackoverflow.com/questions/11927167/jtextarea-appending-problems requests are not reaching the repaint manager until AFTER you've finished. To over come this you're going to need to off..
Rotate an image in java by the specified angle http://stackoverflow.com/questions/14884480/rotate-an-image-in-java-by-the-specified-angle matters... In your second example you're apply a rotation AFTER you've drawn everything. This is not how graphics works. You..
Querying ManyToMany relationship with Hibernate Criteria http://stackoverflow.com/questions/264339/querying-manytomany-relationship-with-hibernate-criteria the problem is that a result transformer only gets applied AFTER the query returns its results it does not actually become part..
http://stackoverflow.com/questions/3363120/enumerations-why-when makes less assumptions and therefore less chance for bugs AFTER with enum for Month month Month.values ... The case for instance.. ... employeeOfTheMonth JANUARY jamesBond Now you can have AFTER with enum and EnumMap Map Month Employee employeeOfTheMonth..
Is it really necessary to nullify objects in JUnit teardown methods? http://stackoverflow.com/questions/3655944/is-it-really-necessary-to-nullify-objects-in-junit-teardown-methods int after map . size System . out . println BEFORE before tAFTER after @ Test public void test0 test true @ Test public void.. . println Nullifying obj obj null System . out . println AFTER TEST id Try to force a gc when one is not really needed. void.. and got the following result . BEFORE TEST 0 BEFORE 1 AFTER 1 Nullifying obj AFTER TEST 0 . BEFORE TEST 1 BEFORE 2 AFTER..
why is sax parsing faster than dom parsing ? and how does stax work? http://stackoverflow.com/questions/3825206/why-is-sax-parsing-faster-than-dom-parsing-and-how-does-stax-work more quickly. I need to have access to the entire xml tree AFTER parsing. I am writing a platform for 3rd party services to plug..
response.sendRedirect() from jsp:include being ignored? http://stackoverflow.com/questions/6637990/response-sendredirect-from-jspinclude-being-ignored the JSP seems to be ignored and if I try to redirect right AFTER the jsp then I get an illegal state exception because the response..
Java: how much time does an empty loop use? http://stackoverflow.com/questions/7271147/java-how-much-time-does-an-empty-loop-use jit primitive share improve this question JIT triggers AFTER a certain piece of code has been executed many times. The HotSpot..
Handling the concurrent request while persisting in oracle database? http://stackoverflow.com/questions/7455726/handling-the-concurrent-request-while-persisting-in-oracle-database a little like this CREATE OR REPLACE TRIGGER t1_version AFTER INSERT OR UPDATE ON t1 FOR EACH ROW BEGIN IF new.version_no..
RowFilter.NumberFilter: can't handle “mixed” concrete number types http://stackoverflow.com/questions/7993546/rowfilter-numberfilter-cant-handle-mixed-concrete-number-types RowFilter filter RowFilter.numberFilter ComparisonType.AFTER 1 0 assertTrue entry must be included filter filter.include.. entry 1.2 must be included RowFilter ComparisonType AFTER comparableValue 1 comparableClass class java.lang.Integer The.. model dFilter RowFilter.numberFilter ComparisonType.AFTER 1d 0 fFilter RowFilter.numberFilter ComparisonType.AFTER 1f..
Sudoku solver in Java, using backtracking and recursion http://stackoverflow.com/questions/9404673/sudoku-solver-in-java-using-backtracking-and-recursion the difficulties you describe vanish a bit at least . EDIT AFTER HAVING LEARNED THAT BRUTE FORCE IS REQUIRED. Your teacher obviously..
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