java Programming Glossary: thinkUnsupported major.minor version 51.0 http://stackoverflow.com/questions/10382929/unsupported-major-minor-version-51-0 Unknown Source ......................................... I think the problem here is about versions some version of Java may..
Convert a string representation of a hex dump to a byte array using Java? http://stackoverflow.com/questions/140131/convert-a-string-representation-of-a-hex-dump-to-a-byte-array-using-java BigInteger and watching out for leading hex zeros. But I think it is ugly and I am sure I am missing something simple... java.. share improve this question Here's a solution that I think is better than any posted so far public static byte hexStringToByteArray..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog It couldn't be easier I think. Just grab the latest jar from Github and you are ready to go...
How do I set environment variables from Java? http://stackoverflow.com/questions/318239/how-do-i-set-environment-variables-from-java nonportable obsolete things like touching my environment I think you've hit the nail on the head. A possible way to ease the..
http://stackoverflow.com/questions/40480/is-java-pass-by-reference of blog posts e.g. this blog that claim it's not. I don't think I understand the distinction they're making. Could someone explain..
Unicode equivalents for \w and \b in Java regular expressions? http://stackoverflow.com/questions/4304928/unicode-equivalents-for-w-and-b-in-java-regular-expressions w w w with the w defined in the appropriate way. You might think it strange that the A and C components are opposites. In a perfect.. exclusion contradictions in Unicode properties which I think I 脎e taken care of but I left the double condition in the boundary..
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 code samples and comments illustrating various things to think about. Example Should the benchmark measure time iteration or..
Implementing back/forward buttons in Swing http://stackoverflow.com/questions/5654926/implementing-back-forward-buttons-in-swing there are probably easier ways like a card layout but I think this approach should work and that's what's so annoying. It..
Calling awt Frame methods from subclass http://stackoverflow.com/questions/5665156/calling-awt-frame-methods-from-subclass public void sampleMethod String msg System.out.println I think ' msg ' called me Modified Menu.java import java.awt.Container..
Why is super.super.method(); not allowed in Java? http://stackoverflow.com/questions/586363/why-is-super-super-method-not-allowed-in-java like this exists in other languages. What do you guys think EDIT To clarify yes I know that's impossible in Java and I don't..
Java: checked vs unchecked exception explanation http://stackoverflow.com/questions/6115896/java-checked-vs-unchecked-exception-explanation subclass of RuntimeException unchecked exception However I think checked exceptions are useful they are used when you want to.. are used when you want to force the user of your API to think how to handle the exceptional situation if it is recoverable..
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing? http://stackoverflow.com/questions/7229226/should-i-avoid-the-use-of-setpreferredmaximumminimumsize-methods-in-java-swi negative consequences of using those methods I can only think adding portability between systems with different screen resolution.. between systems with different screen resolution . I don't think any LayoutManager can exactly satisfy all desired layout needs... In which context For what purposes don't know personally I think of it as an api design accident. Slightly forced by compound..
Something seems wrong with the layout, JButton showing unexpected behaviour at resize of the window http://stackoverflow.com/questions/9849950/something-seems-wrong-with-the-layout-jbutton-showing-unexpected-behaviour-at-r code I am using I had brought it down to the minimum as I think to demonstrate my problem import java.awt. import java.awt.event...
Is there a way to get a timeZone with (only) a country code (valid ISO-3166 code)? http://stackoverflow.com/questions/1389837/is-there-a-way-to-get-a-timezone-with-only-a-country-code-valid-iso-3166-code since you didn't specify one when obtaining a Calendar. Think about what Jon said if you know what timezone you would want..
Eclipse Java project folder organization http://stackoverflow.com/questions/1510291/eclipse-java-project-folder-organization project organization share improve this question Think of Java sourcecode packages as one big namespace. Commercial..
Can anyone recommend a Java rich text editor? [closed] http://stackoverflow.com/questions/196980/can-anyone-recommend-a-java-rich-text-editor it in a pinch that wouldnt be very hard to make yourself. Think JButtons with Icons set. Their listeners get JTextPane's current..
What's a good Java API for creating Word documents? [closed] http://stackoverflow.com/questions/203174/whats-a-good-java-api-for-creating-word-documents current situation. Hard to pick a final answer from them. Think I'll leave it open and hope for better solutions to be created...
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)? http://stackoverflow.com/questions/2062020/how-can-i-tell-if-im-running-in-64-bit-jvm-or-32-bit-jvm-from-within-a-program allows you to distinguish between 32 and 64 bit operation. Think of 64 bit as just another platform in the write once run anywhere..
How can I perform multiplication without the '*' operator? http://stackoverflow.com/questions/2069488/how-can-i-perform-multiplication-without-the-operator java c c bit manipulation share improve this question Think about how you multiply in decimal using pencil and paper 12..
Do/can abstract classes replace interfaces? http://stackoverflow.com/questions/2124951/do-can-abstract-classes-replace-interfaces whether or not they are related to one another in any way. Think of Comparable or Cloneable for example. By comparison abstract..
How does the event dispatch thread work? http://stackoverflow.com/questions/2484425/how-does-the-event-dispatch-thread-work before the code in the run method of the counter . Think of it this way invokeLater starts a thread and that thread is..
non-static variable cannot be referenced from a static context http://stackoverflow.com/questions/2559527/non-static-variable-cannot-be-referenced-from-a-static-context car . The class contains which is similar to all cars. Think of it as a template or an idea. At the same time the car you..
“Automatic updates” for Java (desktop) application? http://stackoverflow.com/questions/305461/automatic-updates-for-java-desktop-application also want to have module plugin installation and update. Think Eclipse and Firefox. I'm aware of Eclipse RCP's OSGi stuff and..
Java. Warning - Build path specifies execution environment J2SE-1.4 http://stackoverflow.com/questions/3138384/java-warning-build-path-specifies-execution-environment-j2se-1-4
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 can also be queried at runtime using reflection . Think about it If type parameters were erased from class files entirely..
Why can't enum constructors be protected or public in Java? http://stackoverflow.com/questions/3664077/why-cant-enum-constructors-be-protected-or-public-in-java java enums constructor share improve this question Think of Enums as a class with a finite number of instances. There..
Change a method at runtime via a hot swap mechanism http://stackoverflow.com/questions/4553353/change-a-method-at-runtime-via-a-hot-swap-mechanism Java EE etc. exist but they aren't what I'm thinking of. Think of Erlang. java runtime hotswap share improve this question..
How do you find all subclasses of a given class in Java? http://stackoverflow.com/questions/492184/how-do-you-find-all-subclasses-of-a-given-class-in-java is no other way to do it other than what you described. Think about it how can anyone know what classes extend ClassX without..
Is there an alternative to JPasswordField? http://stackoverflow.com/questions/5339702/is-there-an-alternative-to-jpasswordfield typing easier while hardly decreasing the security. UPDATE Think twice before you update Riduidel's comment. When Bruce Schneier..
Using the keyword “this” in java http://stackoverflow.com/questions/577575/using-the-keyword-this-in-java yours you would say something like this My arm or my leg Think of this as just a way for a type to say my . So a psuedocode..
Java seems to ignore -Xms and -Xmx options http://stackoverflow.com/questions/6450132/java-seems-to-ignore-xms-and-xmx-options via XX MaxPermSize 128m sits outside of that value too. Think of your heap allocation as simply Java's internal working space..
What is the 'instanceof' operator used for? http://stackoverflow.com/questions/7313559/what-is-the-instanceof-operator-used-for is an instance of the class name on the right side. Think about it this way. Say all the houses on your block were built..
What's the difference between JPA and Hibernate? http://stackoverflow.com/questions/9881611/whats-the-difference-between-jpa-and-hibernate however without an implementation nothing will happen. Think of JPA as the guidelines that must be followed or an interface..
|