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java Programming Glossary: problemUnsupported major.minor version 51.0 http://stackoverflow.com/questions/10382929/unsupported-major-minor-version-51-0 ......................................... I think the problem here is about versions some version of Java may be old or too.. en.wikipedia.org wiki Java_class_file To fix the actual problem you should try to either run the Java code with newer version..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times is expensive to calculate this can potentially be a problem. I googled a bit and figured this is a known issue. One workaround.. return this.someProperty The main problem with this is that you get loads of boilerplate code not to mention..
What is a Null Pointer Exception? http://stackoverflow.com/questions/218384/what-is-a-null-pointer-exception In the most trivial cases the compiler will catch the problem and let you know that num may not have been initialized but..
getResourceAsStream() vs FileInputStream http://stackoverflow.com/questions/2308188/getresourceasstream-vs-fileinputstream acts on the local disk file system. The root cause of your problem is that relative paths in java.io are dependent on the current..
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 an example where missing serialVersionUID will cause a problem. java eclipse serialization serialversionuid share improve..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files way specifically related to Java JSP JSTL EL whatever this problem needs to be taken into account in every webapplication you develop... into account in every webapplication you develop. The problem of scriptlets is that it provides no way of builtin preventions..
Generating random numbers in a range with Java http://stackoverflow.com/questions/363681/generating-random-numbers-in-a-range-with-java I have tried the following things but I still have problems minimum and maximum are the smallest and biggest numbers ... assigned values smaller than minimum . How do I solve this problem I have tried also browsing through the archive and found Expand.. uniformly over an entire range But I couldn't solve the problem. java range random share improve this question One standard..
Best XML parser for Java [closed] http://stackoverflow.com/questions/373833/best-xml-parser-for-java share improve this question If speed and memory is no problem dom4j is a really good option. If you need speed using a StAX..
Can a progress bar be used in a class outside main? http://stackoverflow.com/questions/4637215/can-a-progress-bar-be-used-in-a-class-outside-main but different enough to warrant a new class. I believe the problem is a violation of EDT rules but all the examples I've seen on..
http://stackoverflow.com/questions/5853879/swing-obtain-image-of-jframe on screen prior to rendering. Rob Camick addresses the problem of painting an unrealized component in the Screen Image class...
Java GUI listeners without AWT http://stackoverflow.com/questions/6255106/java-gui-listeners-without-awt know about light and heavyweight components the main problem is the mouse and keyboard listeners. Why is AWT outdated How..
Scanner issue when using nextLine after nextXXX http://stackoverflow.com/questions/7056749/scanner-issue-when-using-nextline-after-nextxxx program skipped String text1 input.nextLine . What is the problem here and how to solve this issue java java util scanner share.. java java util scanner share improve this question The problem is with the input.nextInt command it only reads the int value...
Java 256-bit AES Password-Based Encryption http://stackoverflow.com/questions/992019/java-256-bit-aes-password-based-encryption unlimited jurisdiction patch installed so thats not the problem Ie. The KeyGenerator looks like this ... Get the KeyGenerator.. should be placed under jdk jre lib security Based on the problem description it sounds like the policy files are not correctly..
http://stackoverflow.com/questions/10306901/how-to-change-highlighting-color-in-java-swing-textarea-and-also-change-the-be of text corresponding to the highlighting location Problem 1 BY using defaulthighlighter I can make the focused lines change.. colors. Do anyone know how to change this parameter solved Problem 2 pos is the beginning index of my substring which I want to..
Sorting Table is wrong when the sort button be pressed more than once? http://stackoverflow.com/questions/16661998/sorting-table-is-wrong-when-the-sort-button-be-pressed-more-than-once when the sort button be pressed more than once I have a Problem here. I create program to add data to the table and sort it..
Problem building executable jar with maven http://stackoverflow.com/questions/1814526/problem-building-executable-jar-with-maven building executable jar with maven I am trying to generate..
Easy, simple to use LRU cache in java http://stackoverflow.com/questions/224868/easy-simple-to-use-lru-cache-in-java but I want to reuse something that already exist. Problem I want to solve is that I load configuration from XML so I want..
Problem reading JPEG image using ImageIO.read(File file) http://stackoverflow.com/questions/2408613/problem-reading-jpeg-image-using-imageio-readfile-file reading JPEG image using ImageIO.read File file I'm having..
Instantiating generics type in java http://stackoverflow.com/questions/2434041/instantiating-generics-type-in-java I achieve the same. Note This may seem a trivial Generics Problem. But I bet.. it is'nt. suppose I have the class declaration..
Java MVC - How to divide a done text game into MVC? http://stackoverflow.com/questions/2687345/java-mvc-how-to-divide-a-done-text-game-into-mvc game logics done and text based the code works fine. The Problem Well I want to implement this code into MVC but where do explain..
Howto unescape a Java string literal in Java http://stackoverflow.com/questions/3537706/howto-unescape-a-java-string-literal-in-java I also discuss it in more detail in this answer . The Problem The org.apache.commons.lang.StringEscapeUtils.unescapeJava given..
Generating random numbers in a range with Java http://stackoverflow.com/questions/363681/generating-random-numbers-in-a-range-with-java . Solution 1 randomNum minimum int Math.random maximum Problem randomNum is assinged values numbers bigger than maximum . Solution.. n maximum minimum 1 int i rn.nextInt n randomNum minimum i Problem randomNum is assigned values smaller than minimum . How do I..
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 aa bb aaabbbbb 1 aaa bbb aaaaabbb 1 aaa bbb # Hurrahh Voil Problem solved We are now counting properly exactly the way we want..
Java, how to draw constantly changing graphics http://stackoverflow.com/questions/3742731/java-how-to-draw-constantly-changing-graphics current mouse position get drawn little bigger on a form. Problem is that it's 'kind of' to slow and I have no idea where to start..
Java tool/method to force-kill a child process http://stackoverflow.com/questions/4912282/java-tool-method-to-force-kill-a-child-process platform mandatory . Support for Linux Unix is desired. My Problem My Java code creates a child process that will simply not react..
How do I address unchecked cast warnings? http://stackoverflow.com/questions/509076/how-do-i-address-unchecked-cast-warnings HashMap session.getAttribute attributeKey return theHash Problem was elsewhere when you tried to use the hash you'd get warnings..
Spinner onItemSelected() executes when it is not suppose to [duplicate] http://stackoverflow.com/questions/5624825/spinner-onitemselected-executes-when-it-is-not-suppose-to David here is a tutorial I wrote up for this problem... Problem Statement an undesirable onItemSelected is triggered whilst..
JFreeChart scaling of Boxplots with several Categories http://stackoverflow.com/questions/6844759/jfreechart-scaling-of-boxplots-with-several-categories based project using JFreeChart to display boxplots. My Problem is how to display a chart containing boxplots for a CategoryDataset..
http://stackoverflow.com/questions/7823631/java-opaque-color opaque color i am trying to draw some lines. Problem is about colors. For example. I have several lines of red color.. methods for iterate and other but it is not important. Problem with stroke doesn´t exist because at first i did it without..
JButton() only working when mouse hovers http://stackoverflow.com/questions/7918982/jbutton-only-working-when-mouse-hovers have ImageIcon on them. bg1.png is a background image Problem is these JButton become visible only when mouse hovers else..
http://stackoverflow.com/questions/9368147/right-clicking-on-jbutton to a JButton for a right click to flag the cell. Problem is when I instantiate it onto the button it won't let me. Maybe..
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