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java Programming Glossary: saidJComponents not showing up with picture background? http://stackoverflow.com/questions/11369171/jcomponents-not-showing-up-with-picture-background first this usually depends on the opaque property of the said JComponent if it's true then it becomes the responsibility on..
Java Hashmap: How to get key from value? http://stackoverflow.com/questions/1383797/java-hashmap-how-to-get-key-from-value time of inserting the value into the map. This is easier said than done. Once you can ensure that use the entrySet method..
Java NIO FileChannel versus FileOutputstream performance / usefulness http://stackoverflow.com/questions/1605332/java-nio-filechannel-versus-fileoutputstream-performance-usefulness than java.io . Solidly faster. Like in the 250 range. That said I am eliminating obvious bottlenecks which I suggest your micro.. files the latency incured is non trivial. Like other have said use FileChannel.transferTo or FileChannel.transferFrom . The..
whats the difference between “.equals and ==” http://stackoverflow.com/questions/1643067/whats-the-difference-between-equals-and lecturers today and he stated using a weird code to me. He said its better to use .equals and when i asked why he answered because..
What to learn for making Java web applications in Java EE 6? [closed] http://stackoverflow.com/questions/1960280/what-to-learn-for-making-java-web-applications-in-java-ee-6 environment to build deploy your applications . Now as I said I can already hear voices saying things like Java EE is heavy..
http://stackoverflow.com/questions/2378402/jackson-vs-gson at the end they simply map to a json file Anyway as you said Jackson has a in performance and that's very important for me...
How do I programmatically compile and instantiate a Java class? http://stackoverflow.com/questions/2946338/how-do-i-programmatically-compile-and-instantiate-a-java-class API to access and invoke the unknown methods fields. That said and unrelated to the actual problem properties.load new FileInputStream..
Android/Java — Post simple text to Facebook wall? http://stackoverflow.com/questions/2953146/android-java-post-simple-text-to-facebook-wall post simple text maybe a link too to the user's wall. That said I've read everything on the developer pages at Facebook the..
http://stackoverflow.com/questions/299068/how-slow-are-java-exceptions block killed everything and made it 66 times slower As I said the result will not be that bad if you put try catch and throw..
What is the difference between “text” and new String(“text”) in Java? http://stackoverflow.com/questions/3052442/what-is-the-difference-between-text-and-new-stringtext-in-java the new String anotherString constructor. It needs to be said again however that this is very peculiar and is rarely the intention...
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading as long as the object in question lives. Threadsafety That said your major concern is possibly threadsafety . You should now..
Howto unescape a Java string literal in Java http://stackoverflow.com/questions/3537706/howto-unescape-a-java-string-literal-in-java in his famous public static void talk on this one. ™Nuff said. Anyway it ™s only a quick morning ™s hackery but if it helps..
Connection pooling options with JDBC: DBCP vs C3P0 [closed] http://stackoverflow.com/questions/520585/connection-pooling-options-with-jdbc-dbcp-vs-c3p0 Thus my original post may be out of date. That being said I haven't yet experienced this new upgraded library's performance..
Java: checked vs unchecked exception explanation http://stackoverflow.com/questions/6115896/java-checked-vs-unchecked-exception-explanation how to use them properly. Joshua Bloch in Effective Java said that Use checked expections for recoverable conditions and runtime..
Java: How do I use a PriorityQueue? http://stackoverflow.com/questions/683041/java-how-do-i-use-a-priorityqueue not sure. It's pretty straightforward though. As has been said elsewhere offer and add are just different interface method..
Is it possible to have an autocomplete using jtextfield and a Jlist? http://stackoverflow.com/questions/7255636/is-it-possible-to-have-an-autocomplete-using-jtextfield-and-a-jlist how to do it. Could someone has an idea or a sample on the said problem Thanks... java swing autocomplete intellij idea jtextfield..
http://stackoverflow.com/questions/7295096/what-exactly-is-java-ee Are EJB Spring different implementations of Java EE No as said EJB is part of Java EE. Spring is a standalone framework which..
http://stackoverflow.com/questions/7637144/android-requires-compiler-compliance-level-5-0-or-6-0-found-1-7-instead-plea but works ok with x64 jvm and x64 eclipse IDE . As helios said you must set project compatibility to Java 5.0 or Java 6.0...
What Java XML library do you recommend (to replace dom4j)? http://stackoverflow.com/questions/831865/what-java-xml-library-do-you-recommend-to-replace-dom4j you want version 1.6.1. Really. ...and the website has said that for a long time. So is there a good alternative to dom4j..
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