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java Programming Glossary: typicallyhttp://stackoverflow.com/questions/10836832/show-an-animated-bg-in-swing an image to paint as the background of a container I would typically use either ImageIO.read or Toolkit.getImage the latter when.. of loading an image results in a cycling image it is typically just the first frame. How to load an animated image for a background..
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 well behaved branches. So modern branch predictors will typically achieve 90 hit rates. But when faced with unpredictable branches..
Real differences between “java -server” and “java -client”? http://stackoverflow.com/questions/198577/real-differences-between-java-server-and-java-client technology is very flexible in its approach and typically outperforms even advanced static analysis and compilation techniques...
What is difference between “Class.forName()” and “Class.forName().newInstance()”? http://stackoverflow.com/questions/2092659/what-is-difference-between-class-forname-and-class-forname-newinstance To register themselves during initialization JDBC driver typically use a static initialization block like this package acme.db..
What is a stack overflow error? http://stackoverflow.com/questions/214741/what-is-a-stack-overflow-error the heap and a variable references that object . The stack typically lives at the upper end of your address space and as it is used..
Type List vs type ArrayList in Java http://stackoverflow.com/questions/2279030/type-list-vs-type-arraylist-in-java of the List interface can be swapped. It seems that 1 is typically used in an application regardless of need myself I always use..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android being used at all. The number you see here is very high typically on an Android system this would be only a few MB since we try..
Using Graphics2D to overlay text on a BufferedImage and return a BufferedImage http://stackoverflow.com/questions/2658554/using-graphics2d-to-overlay-text-on-a-bufferedimage-and-return-a-bufferedimage x and y for the leftmost character's baseline . Numbers typically have no descenders if the same is true of text a string drawn..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files to invoke some utility Java code directly in the JSP page typically public static methods then you need to define them as EL functions...
What is the purpose of the expression “new String(…)” in Java? http://stackoverflow.com/questions/390703/what-is-the-purpose-of-the-expression-new-string-in-java the purpose or effect would be. Since String constants typically get stored in the constant pool and then in whatever representation..
What is a stack trace, and how can I use it to debug my application errors? http://stackoverflow.com/questions/3988788/what-is-a-stack-trace-and-how-can-i-use-it-to-debug-my-application-errors and re throw it as the cause of another Exception. This typically looks like try .... catch NullPointerException e throw new IllegalStateException.. will have multiple Caused by sections. For these you typically want to find the root cause which will be one of the lowest..
Differences between HashMap and Hashtable? http://stackoverflow.com/questions/40471/differences-between-hashmap-and-hashtable for non threaded applications as unsynchronized Objects typically perform better than synchronized ones. Hashtable does not allow..
Why spawning threads in Java EE container is discouraged? http://stackoverflow.com/questions/533783/why-spawning-threads-in-java-ee-container-is-discouraged much of the context in which a thread is being used is typically attached to the thread of execution itself. If you simply start..
The case against checked exceptions http://stackoverflow.com/questions/613954/the-case-against-checked-exceptions protocol for each one. That clearly defined protocol is typically defined by a method signature. Here fopen requires that you..
How to get Ip address of our own system using java http://stackoverflow.com/questions/9481865/how-to-get-ip-address-of-our-own-system-using-java line parameter. In summary InetAddress.getLocalHost will typically work but you may need to provide an alternative method for the..
The Use of Multiple JFrames, Good/Bad Practice? http://stackoverflow.com/questions/9554636/the-use-of-multiple-jframes-good-bad-practice and visible component. JInternalFrame JDesktopPane typically used for an MDI . JTabbedPane for groups of components. JSplitPane.. JLayeredPane far many well ..layered components. JToolBar typically contains groups of actions or controls. Can be dragged around..
Difference Between Equals and == http://stackoverflow.com/questions/971954/difference-between-equals-and will be called. That can behave how it wants but it typically implements value equality i.e. a and b can refer to different..
How does the JVM ensure that System.identityHashCode() will never change? http://stackoverflow.com/questions/1063068/how-does-the-jvm-ensure-that-system-identityhashcode-will-never-change JVM ensure that System.identityHashCode will never change Typically the default implementation of Object.hashCode is some function..
How to get UTF-8 working in java webapps? http://stackoverflow.com/questions/138948/how-to-get-utf-8-working-in-java-webapps configuration MySQL serveri has to be configured also. Typically this is done in Windows by modifying my.ini file and in Linux..
Is Java guaranteed to inline string constants if they can be determined at compile time http://stackoverflow.com/questions/1406616/is-java-guaranteed-to-inline-string-constants-if-they-can-be-determined-at-compi void someMethod System.out.println Class1.ONE Class1.TWO Typically you would expect the compiler to inline the ONE and TWO constants...
any tool for java object to object mapping? [closed] http://stackoverflow.com/questions/1432764/any-tool-for-java-object-to-object-mapping that recursively copies data from one object to another. Typically these Java Beans will be of different complex types. Dozer supports..
What is a stack overflow error? http://stackoverflow.com/questions/214741/what-is-a-stack-overflow-error common cause for a stack overflow is a bad recursive call. Typically this is caused when your recursive functions doesn't have the..
What is an object's hash code if hashCode() is not overridden? http://stackoverflow.com/questions/2237720/what-is-an-objects-hash-code-if-hashcode-is-not-overridden Java java object hashcode share improve this question Typically hashCode just returns the object's address in memory if you..
What is a good Java library for Parts-Of-Speech tagging? [closed] http://stackoverflow.com/questions/2293636/what-is-a-good-java-library-for-parts-of-speech-tagging the general purpose taggers are trained on newswire text. Typically they don't perform well when you are using them in specific..
Java: how do I get a class literal from a generic type? http://stackoverflow.com/questions/2390662/java-how-do-i-get-a-class-literal-from-a-generic-type how do I get a class literal from a generic type Typically I've seen people use the class literal like this Class Foo cls..
How can I avoid garbage collection delays in Java games? (Best Practices) [closed] http://stackoverflow.com/questions/2484079/how-can-i-avoid-garbage-collection-delays-in-java-games-best-practices way to deal with this and I'll first give an example... Typically you have say 4 balls on screen at 50 25 70 32 16 18 98 73 ...
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 than one view a GUI view a console view a status view etc. Typically each view arranges to listen for changes in the model and it..
How can I call Perl from Java? http://stackoverflow.com/questions/274840/how-can-i-call-perl-from-java to say what combinations of JVM and Perl will work. Typically what is required is Perl with MULTIPLICITY and threads compiled..
How to define custom exception class in Java, the easiest way? http://stackoverflow.com/questions/3776327/how-to-define-custom-exception-class-in-java-the-easiest-way you need to define the one taking a String in your class. Typically you use super message in your constructor to invoke your parent..
static allocation in java - heap, stack and permanent generation http://stackoverflow.com/questions/3849634/static-allocation-in-java-heap-stack-and-permanent-generation allocated to hold either a reference or a primitive value. Typically one word of memory is all that is needed to store an object..
Should I initialize variable within constructor or outside constructor [duplicate] http://stackoverflow.com/questions/3918578/should-i-initialize-variable-within-constructor-or-outside-constructor it clear at a glance how the variable is initialized. Typically when reading a program and coming across a variable you'll first..
Is stopwatch benchmarking acceptable? http://stackoverflow.com/questions/410437/is-stopwatch-benchmarking-acceptable provided you measure enough iterations to be meaningful. Typically I require a total elapsed time of some number of single digit..
Avoid synchronized(this) in Java? http://stackoverflow.com/questions/442564/avoid-synchronizedthis-in-java you don't like e.g. Effective Java item on Thread Safety Typically it is the lock on the instance itself but there are exceptions...
Does assigning objects to null in Java impact garbage collection? http://stackoverflow.com/questions/449409/does-assigning-objects-to-null-in-java-impact-garbage-collection garbage collection null share improve this question Typically no. But like all things it depends. The GC in Java these days..
Displaying Currency in Indian Numbering Format http://stackoverflow.com/questions/5379231/displaying-currency-in-indian-numbering-format about formatting the Rupee currency Indian Rupee INR . Typically a value like 450500 is formatted and shown as 450 500 . In India..
Handling the concurrent request while persisting in oracle database? http://stackoverflow.com/questions/7455726/handling-the-concurrent-request-while-persisting-in-oracle-database sequential version number auto incremented by a trigger . Typically you will read the data plus the concurrency column SELECT seat..
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