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java Programming Glossary: whetherIn Java, how can I test if an Array contains a certain value? http://stackoverflow.com/questions/1128723/in-java-how-can-i-test-if-an-array-contains-a-certain-value AB BC CD AE Given String s is there a good way of testing whether VALUES contains s java arrays share improve this question..
JComponents not showing up with picture background? http://stackoverflow.com/questions/11369171/jcomponents-not-showing-up-with-picture-background to the rules and performs the same task depending upon whether the opaque property is true or false then later on we will add..
Java: maintaining aspect ratio of JPanel background image http://stackoverflow.com/questions/11959758/java-maintaining-aspect-ratio-of-jpanel-background-image and I want to be able to have it maintain its aspect ratio whether its on a big or small monitor. Eventually I want to be able..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times or two times per JSF request response cycle depending on whether the component is an input or output component learn it here..
Setting multiple jars in java classpath http://stackoverflow.com/questions/219585/setting-multiple-jars-in-java-classpath either foo foo or foo foo . The order chosen determines whether the classes and resources in foo are loaded before JAR files..
Populating child dropdownlists in JSP/Servlet http://stackoverflow.com/questions/2263996/populating-child-dropdownlists-in-jsp-servlet parameters. You'll also need to determine in the servlet whether the request is to update a dropdown child dropdown value is..
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 call it. I think it's a case of if you need to ask whether you should be using this you shouldn't EDIT to address a few..
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 request body before actually sending it regardless of whether you've set a fixed content length yourself using connection.setRequestProperty..
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 your app to be robust. Here is a brief list You must check whether user has an internet connection available Make sure you have..
When to use LinkedList<> over ArrayList<>? http://stackoverflow.com/questions/322715/when-to-use-linkedlist-over-arraylist much memory as is allocated for the capacity regardless of whether elements have actually been added. The default initial capacity..
Switch Statement with Strings in Java http://stackoverflow.com/questions/338206/switch-statement-with-strings-in-java of lookupswitch it requires some analysis to determine whether the table is dense enough to justify the space&ndash time tradeoff...
Java generics - type erasure - when and what happens http://stackoverflow.com/questions/339699/java-generics-type-erasure-when-and-what-happens There's definitely metadata in the class file to say whether or not a method type is generic and what the constraints are..
JTable design to synchronize with back-end data-structure http://stackoverflow.com/questions/3590897/jtable-design-to-synchronize-with-back-end-data-structure user edit.Now this is where I have problem.My doubt is whether is should keep the data structure synchronized with the changes..
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 That means happening at a truly random time regardless of whether the program is in I O except for user input or in GC or in a..
Why are only final variables accessible in anonymous class? http://stackoverflow.com/questions/4732544/why-are-only-final-variables-accessible-in-anonymous-class can't be changed at all you don't need to worry about whether such changes will be visible. The only ways to allow the method..
How to best position Swing GUIs http://stackoverflow.com/questions/7143287/how-to-best-position-swing-guis to Window.setLocationByPlatform boolean . which.. Sets whether this Window should appear at the default location for the native..
Java String.equals versus == [duplicate] http://stackoverflow.com/questions/767372/java-string-equals-versus the actual contents of the string the operator checks whether the references to the objects are equal. Note that string constants..
The Use of Multiple JFrames, Good/Bad Practice? http://stackoverflow.com/questions/9554636/the-use-of-multiple-jframes-good-bad-practice and plays sounds from a database. I'm trying to decide whether to use a separate JFrame to add Images to the Database from.. Images to the Database from the GUI. I'm just wondering whether it is good practice to use multiple JFrames java swing gui.. jframe share improve this question I'm just wondering whether it is good practice to use multiple JFrames Bad bad bad practice...
When exactly is it leak safe to use (anonymous) inner classes? http://stackoverflow.com/questions/10864853/when-exactly-is-it-leak-safe-to-use-anonymous-inner-classes have a View. They also have certain automatic handlers. Whether you specify it or not the Activity has an implicit reference..
http://stackoverflow.com/questions/14146570/calling-a-getter-in-java-though-reflection-whats-the-fastest-way-to-repeatedly made with the usual non reflective byte code instructions. Whether such optimizations would be beneficial depends on how you use..
http://stackoverflow.com/questions/14624365/immutability-and-reordering of sequential consistency but can return a null value. Whether or not this is the best implementation is up for debate but..
http://stackoverflow.com/questions/1482282/java-vs-python-on-hadoop push threads of a single process onto different core. Whether this makes any significant difference depends on what you intend..
Java still uses system memory after deallocation of objects and garbage collection http://stackoverflow.com/questions/324499/java-still-uses-system-memory-after-deallocation-of-objects-and-garbage-collecti Many JVMs never return memory to the operating system. Whether it does so or not is implementation specific. For those that..
Java switch statement: Constant expression required, but it IS constant http://stackoverflow.com/questions/3827393/java-switch-statement-constant-expression-required-but-it-is-constant time constant expression §15.28 a constant variable. Whether a variable is a constant variable or not may have implications..
Memory barriers and coding style over a Java VM http://stackoverflow.com/questions/3964317/memory-barriers-and-coding-style-over-a-java-vm of fields to all threads irrespective of synchronization. Whether or not Foo is immutable publication via volatile theFoo or AtomicReference..
I don't understand file locking http://stackoverflow.com/questions/4025721/i-dont-understand-file-locking byte to the last. Second according to JavaDoc on FileLock Whether or not a lock actually prevents another program from accessing..
Java: What's the difference between autoboxing and casting? http://stackoverflow.com/questions/501653/java-whats-the-difference-between-autoboxing-and-casting types this means an implicit or explicit boxing operation. Whether it needs to be explicit is a language feature. share improve..
The JPA hashCode() / equals() dilemma http://stackoverflow.com/questions/5031614/the-jpa-hashcode-equals-dilemma contract conformity immutability for List Set operations Whether identical objects e.g. from different sessions dynamic proxies.. proxies from lazily loaded data structures can be detected Whether entities behave correctly in detached or non persisted state..
http://stackoverflow.com/questions/5579890/what-use-are-ejbs something you can physically invoke it is an entry point. Whether you are implementing using spring web services etc... You need..
Playing MP3 using Java Sound API http://stackoverflow.com/questions/5667454/playing-mp3-using-java-sound-api Thread used to run sound. private Thread thread Whether the sound is currently playing or active. private boolean active..
How to open a command terminal in Linux? http://stackoverflow.com/questions/597927/how-to-open-a-command-terminal-in-linux for your answers. I would like to run a sh script also. Whether the following code works. String command usr bin xterm myshell.sh..
How to generate a regular expression at runtime to match a numeric range http://stackoverflow.com/questions/6349161/how-to-generate-a-regular-expression-at-runtime-to-match-a-numeric-range Thanks java regex share improve this question Whether or not regular expressions are well suited for this task is..
http://stackoverflow.com/questions/6746375/java-httppost-into-asp-form asp.net post http post share improve this question Whether or not the URL accepts a PUT in place of a POST depends entirely..
Making Distinctions Between Different Kinds of JSF Managed-Beans http://stackoverflow.com/questions/7223055/making-distinctions-between-different-kinds-of-jsf-managed-beans @RequestScoped @ViewScoped @ManagedBean class pretty much. Whether event listener methods are allowed or not depends on whether..
How do you play a long AudioClip? http://stackoverflow.com/questions/9470148/how-do-you-play-a-long-audioclip Thread used to run sound. private Thread thread Whether the sound is currently playing or active. private boolean active..
How big is an object reference in Java and precisely what information does it contain? http://stackoverflow.com/questions/981073/how-big-is-an-object-reference-in-java-and-precisely-what-information-does-it-co is typically just a way of addressing the object itself. Whether it's a direct memory pointer or not its goal is to get to the..
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