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java Programming Glossary: considerWaiting for multiple SwingWorkers http://stackoverflow.com/questions/11366330/waiting-for-multiple-swingworkers for multiple SwingWorkers Please consider the following code fragment import java.awt.FlowLayout import.. is technically possible but generally unappealing. Instead consider a JList or JTable . import java.awt.Color import java.awt.EventQueue..
Java: What is the best way to SFTP a file from a server http://stackoverflow.com/questions/14617/java-what-is-the-best-way-to-sftp-a-file-from-a-server share improve this question Another option is to consider looking at the JSch library . JSch seems to be the preferred..
Swing animation running extremely slow http://stackoverflow.com/questions/14886232/swing-animation-running-extremely-slow by JPanels which I will elaborate on in a few moments. So consider the event process_car_arrival. Every time this event is scheduled.. but I have 5 atm. RouteType route for this example I only consider one simple route In addition it has the following method move..
Sorting an ArrayList of Contacts based on name? [duplicate] http://stackoverflow.com/questions/1814095/sorting-an-arraylist-of-contacts-based-on-name And to cream the top off you could consider to use a generic javabean comparator public class BeanComparator..
How do I remove repeated elements from ArrayList? http://stackoverflow.com/questions/203984/how-do-i-remove-repeated-elements-from-arraylist If you don't want duplicates in a Collection you should consider why you're using a Collection that allows duplicates. The easiest..
Best Practice: Initialize class fields in constructor or at declaration? http://stackoverflow.com/questions/24551/best-practice-initialize-class-fields-in-constructor-or-at-declaration in C# and Java recently and I am curious what people would consider the best practice concerning when you should initialize your..
When to choose checked and unchecked exceptions http://stackoverflow.com/questions/27578/when-to-choose-checked-and-unchecked-exceptions isn't the right place to handle the error. In that case consider what is reasonable for your own callers. If the exception is..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it type like List Object . To illustrate the point consider the following method which takes a List Object and appends a..
Round a double to 2 decimal places http://stackoverflow.com/questions/2808535/round-a-double-to-2-decimal-places using float and double are inexact . For example consider these expressions 999199.1231231235 999199.1231231236 true 1.03..
How do I tell Maven to use the latest version of a dependency? http://stackoverflow.com/questions/30571/how-do-i-tell-maven-to-use-the-latest-version-of-a-dependency implemented in Maven2. PLEASE NOTE @AndersSandvig Please consider changing the accepted answer to a different one than mine. By..
Howto unescape a Java string literal in Java http://stackoverflow.com/questions/3537706/howto-unescape-a-java-string-literal-in-java halfway useful by supporting things Java was too stupid to consider in strings items are additions to Java string escapes but..
How to increase to Java stack size? http://stackoverflow.com/questions/3700459/how-to-increase-to-java-stack-size pointed out that it is a good and safe coding practice to consider alternative less stack hungry implementations of the same algorithm...
Singletons vs. Application Context in Android? http://stackoverflow.com/questions/3826905/singletons-vs-application-context-in-android not properly synchronized in concurrent applications. I consider it an anti pattern it's a bad object oriented style often embraced.. come back to your question Although the app context can be considered a singleton itself it is framework managed and has a well..
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 Xbatch to serialize the compiler with the application and consider setting XX CICompilerCount 1 to prevent the compiler from running..
Java: checked vs unchecked exception explanation http://stackoverflow.com/questions/6115896/java-checked-vs-unchecked-exception-explanation 0 recover the situation by set the id to 0 1. Is the above consider a checked exception 2. Is RuntimeException an unchecked exception.. exception as well Most often because people are lazy to consider what to catch and what to rethrow. Throwing Exception is a bad..
When to use <ui:include>, tag files, composite components and/or custom components? http://stackoverflow.com/questions/6822000/when-to-use-uiinclude-tag-files-composite-components-and-or-custom-componen instead of rendering of the HTML output then you should consider a Tag Handler . An example can be found in my answer on this..
What is the most appropriate way to store user settings in Android application http://stackoverflow.com/questions/785973/what-is-the-most-appropriate-way-to-store-user-settings-in-android-application potentially allow access to the values. If possible I'd consider modifying the server to use a negotiated token for providing..
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 of branch prediction fail. What is Branch Prediction Consider a railroad junction Image by Mecanismo from Wikimedia Commons.. spend a lot of time stopping backing up and restarting. Consider an if statement At the processor level it is a branch instruction..
PreparedStatement IN clause alternatives? http://stackoverflow.com/questions/178479/preparedstatement-in-clause-alternatives represents one value rather than a list of values. Consider the following SQL statement SELECT my_column FROM my_table where..
Questions about Java's String pool http://stackoverflow.com/questions/1881922/questions-about-javas-string-pool about Java's String pool Consider this code String first abc String second new String abc When..
What is a Null Pointer Exception? http://stackoverflow.com/questions/218384/what-is-a-null-pointer-exception an object you are really creating a pointer to an object. Consider the following code where you declare a variable of primitive..
Can an abstract class have a constructor? http://stackoverflow.com/questions/260666/can-an-abstract-class-have-a-constructor constructor abstract class share improve this question Consider this abstract class Product int multiplyBy public Product int..
Avoiding “!= null” statements in Java? http://stackoverflow.com/questions/271526/avoiding-null-statements-in-java all the time. With non collections it might be harder. Consider this as an example if you have these interfaces public interface..
Is List<Dog> a subclass of List<Animal>? Why aren't Java's generics implicitly polymorphic? http://stackoverflow.com/questions/2745265/is-listdog-a-subclass-of-listanimal-why-arent-javas-generics-implicitly-p this question No a List Dog is not a List Animal . Consider what you can do with a List Animal you can add any animal to..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it type safety you can add just about anything to a List . Consider the following variation of the previous snippet static void..
How can I add to List<? extends Number> data structures? http://stackoverflow.com/questions/2776975/how-can-i-add-to-list-extends-number-data-structures Collection.copy new ArrayList Object new ArrayList Double Consider this confusing and very wide code to exercise your brain. The..
Java generics - type erasure - when and what happens http://stackoverflow.com/questions/339699/java-generics-type-erasure-when-and-what-happens with no type information or wrong type information. Consider the following example say class A has a method empty Box T extends..
What's wrong with overridable method calls in constructors? http://stackoverflow.com/questions/3404301/whats-wrong-with-overridable-method-calls-in-constructors Here's a quote from Effective Java 2nd Edition Item 2 Consider a builder pattern when faced with many constructor parameters.. Builder pattern Effective Java 2nd Edition Item 2 Consider a builder pattern when faced with many constructor parameters..
What is the point of the diamond operator in Java 7? http://stackoverflow.com/questions/4166966/what-is-the-point-of-the-diamond-operator-in-java-7 generates a warning for that assignment because it must. Consider this List String strings ... some list that contains some strings..
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 able to talk about whitespace properly is super annoying. Consider the following table. For each of those code points there is..
Cannot Make Static Reference to Non-Static Method http://stackoverflow.com/questions/4969171/cannot-make-static-reference-to-non-static-method instance data and class data Let me try and explain. Consider this class psuedocode class Test string somedata 99 string getText..
Why does JSF need to save the state of UI components on the server side? http://stackoverflow.com/questions/5474316/why-does-jsf-need-to-save-the-state-of-ui-components-on-the-server-side specs an option to provide stateless mode for JSF. P.S. Consider voting for the issues this this if this is a useful feature..
Java inner class and static nested class http://stackoverflow.com/questions/70324/java-inner-class-and-static-nested-class inner class exist within an instance of the outer class. Consider the following classes class OuterClass ... class InnerClass..
How do I copy an object in Java? http://stackoverflow.com/questions/869033/how-do-i-copy-an-object-in-java do I copy an object in Java Consider the below code DummyBean dum new DummyBean dum.setDummy foo..
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