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java Programming Glossary: runtimeReasons of getting a java.lang.VerifyError http://stackoverflow.com/questions/100107/reasons-of-getting-a-java-lang-verifyerror compiled against a different library than you are using at runtime. For example this happened to me when trying to run a program.. required classes in org.apache. namespace were found at runtime so ClassNotFoundException was not the result. There had been.. classes and methods so that the method signatures found at runtime did not match what was there at compile time. Normally the compiler..
Java: recommended solution for deep cloning/copying an instance http://stackoverflow.com/questions/2156120/java-recommended-solution-for-deep-cloning-copying-an-instance to execute Use bytecode instrumentation to write clone at runtime javassit BCEL or cglib might be use to generate a dedicated..
http://stackoverflow.com/questions/2723397/java-generics-what-is-pecs to a Collection extends Thing because you cannot know at runtime which specific subtype of Thing the collection holds. Case 2..
What is a serialVersionUID and why should I use it? http://stackoverflow.com/questions/285793/what-is-a-serialversionuid-and-why-should-i-use-it as good an explanation as you'll get The serialization runtime associates with each serializable class a version number called.. declare a serialVersionUID then the serialization runtime will calculate a default serialVersionUID value for that class..
Switch Statement with Strings in Java http://stackoverflow.com/questions/338206/switch-statement-with-strings-in-java assigned to each case to be sorted at compile time. At runtime while the O 1 performance of tableswitch generally appears better..
Java generics - type erasure - when and what happens http://stackoverflow.com/questions/339699/java-generics-type-erasure-when-and-what-happens website . When does type erasure occur At compile time runtime when the class is loaded runtime when the class is instantiated.. occur At compile time runtime when the class is loaded runtime when the class is instantiated A lot of sites including the..
How do I import the javax.servlet API in my Eclipse project? http://stackoverflow.com/questions/4076601/how-do-i-import-the-javax-servlet-api-in-my-eclipse-project JspFactory java.lang.VerifyError class org apache jasper runtime JspApplicationContextImpl method createELResolver signature..
Java Timer vs ExecutorService? http://stackoverflow.com/questions/409932/java-timer-vs-executorservice created threads if you want by providing ThreadFactory runtime exceptions thrown in TimerTask kill that one thread thus making.. not run anymore. ScheduledThreadExecutor not only catches runtime exceptions but it lets you handle them if you want by overriding..
http://stackoverflow.com/questions/5621338/how-to-add-jtable-in-jpanel A short example of a nested layout that can change PLAF at runtime. The TitledBorder of each JPanel shows the layouts explicitly..
How should I load Jars dynamically at runtime? http://stackoverflow.com/questions/60764/how-should-i-load-jars-dynamically-at-runtime should I load Jars dynamically at runtime Why is it so hard to do this in Java If you want to have any.. you shouldn't be able to willy nilly add classes to it at runtime. I'm actually very surprised that works with the system classloader...
Java: checked vs unchecked exception explanation http://stackoverflow.com/questions/6115896/java-checked-vs-unchecked-exception-explanation that Use checked expections for recoverable conditions and runtime exceptions for programming errors Item 58 in 2nd edition Let.. I create a checked exception and when should it be a runtime exception When to choose checked and unchecked exceptions java.. to choose checked and unchecked exceptions java exception runtimeexception checked exceptions share improve this question Many..
Remove Top-Level Container on Runtime http://stackoverflow.com/questions/6309407/remove-top-level-container-on-runtime .getSystemEventQueue .postEvent windowClosing Runtime runtime Runtime.getRuntime runtime.gc runtime.runFinalization try.. windowClosing Runtime runtime Runtime.getRuntime runtime.gc runtime.runFinalization try Thread.sleep 1000 catch.. Runtime runtime Runtime.getRuntime runtime.gc runtime.runFinalization try Thread.sleep 1000 catch InterruptedException..
Capturing stdout when calling Runtime.exec http://stackoverflow.com/questions/882772/capturing-stdout-when-calling-runtime-exec a more elegant way of doing it. Suggestions java shell runtime share improve this question You need to capture both the..
http://stackoverflow.com/questions/1272648/reading-my-own-jars-manifest get the MANIFEST from the first .jar loaded into the Java Runtime. My app will be running from an applet or a webstart so I will..
How can I convert my Java program to an .exe file? [closed] http://stackoverflow.com/questions/147181/how-can-i-convert-my-java-program-to-an-exe-file compressed 32 bit Windows EXE which runs using Sun's Java Runtime Environment. Both console and windowed applications are supported...
Compiling a java program into an exe [duplicate] http://stackoverflow.com/questions/2011664/compiling-a-java-program-into-an-exe Simply double clicking the exe file will invoke the Java Runtime Environment and launch your application. Download http mpowers.net..
Eclipse - no Java (JRE) / (JDK) … no virtual machine http://stackoverflow.com/questions/2030434/eclipse-no-java-jre-jdk-no-virtual-machine with no problems but now i keep getting this error A java Runtime Environment JRE or Java Development kit JDK must be available..
java.lang.UnsupportedClassVersionError: Bad version number in .class file? http://stackoverflow.com/questions/2466828/java-lang-unsupportedclassversionerror-bad-version-number-in-class-file 1.5.0_18 java version java version 1.5.0_18 Java TM 2 Runtime Environment Standard Edition build 1.5.0_18 b02 Java HotSpot..
Using Java to get OS-level system information http://stackoverflow.com/questions/25552/using-java-to-get-os-level-system-information You can get some limited memory information from the Runtime class. It really isn't exactly what you are looking for but.. to the JVM System.out.println Available processors cores Runtime.getRuntime .availableProcessors Total amount of free memory.. System.out.println Available processors cores Runtime.getRuntime .availableProcessors Total amount of free memory available to..
How to increase to Java stack size? http://stackoverflow.com/questions/3700459/how-to-increase-to-java-stack-size dependent. I was using java version 1.6.0_18 OpenJDK Runtime Environment IcedTea6 1.8.1 6b18 1.8.1 0ubuntu1~8.04.3 OpenJDK..
http://stackoverflow.com/questions/394616/running-jar-file-in-windows route is probably upgrading or re installing the Java Runtime Environment JRE . Or this Open the Windows Explorer from the..
How do I import the javax.servlet API in my Eclipse project? http://stackoverflow.com/questions/4076601/how-do-i-import-the-javax-servlet-api-in-my-eclipse-project then in menu Web Dynamic Web Project and set the Target Runtime to the integrated server. Eclipse will then automatically take.. existing project you can set change the server by Targeted Runtimes in project's properties. You should above all never manually..
http://stackoverflow.com/questions/499437/in-java-when-should-i-create-a-checked-exception-and-when-should-it-be-a-runti my NotEnoughBalanceException Should it extend Exception or RuntimeException Or should I just use IllegalArgumentException instead.. topic. At my last job we ran into some real issues with Runtime exceptions being forgotten until they showed up in production.. At my current job I find that there are many who are for Runtime exceptions in many or all cases. Here's what I think Using CheckedExceptions..
How to get a list of current open windows/process with Java? http://stackoverflow.com/questions/54686/how-to-get-a-list-of-current-open-windows-process-with-java list from the command ps e try String line Process p Runtime.getRuntime .exec ps e BufferedReader input new BufferedReader.. from the command ps e try String line Process p Runtime.getRuntime .exec ps e BufferedReader input new BufferedReader new InputStreamReader.. are using Windows then you sould change the line Process p Runtime.getRun... etc... 3rd line for one that looks like this Process..
Printing my Mac's serial number in java using Unix commands http://stackoverflow.com/questions/5740390/printing-my-macs-serial-number-in-java-using-unix-commands command ioreg l awk ' IOPlatformSerialNumber print 4 ' Runtime terminal Runtime.getRuntime String input new BufferedReader.. l awk ' IOPlatformSerialNumber print 4 ' Runtime terminal Runtime.getRuntime String input new BufferedReader new InputStreamReader.. print 4 ' Runtime terminal Runtime.getRuntime String input new BufferedReader new InputStreamReader terminal.exec..
Remove Top-Level Container on Runtime http://stackoverflow.com/questions/6309407/remove-top-level-container-on-runtime Top Level Container on Runtime Unfortunately it looks like this recently closed question was.. I'll try asking this question again How can I k i l l on Runtime the first opened top Level Container and help with closing for.. import javax.swing. public class RemoveDialogOnRuntime extends JFrame private static final long serialVersionUID 1L..
Why is subtracting these two times (in 1927) giving a strange result? http://stackoverflow.com/questions/6841333/why-is-subtracting-these-two-times-in-1927-giving-a-strange-result be 1 UPDATE Java version java version 1.6.0_22 Java TM SE Runtime Environment build 1.6.0_22 b04 Dynamic Code Evolution Client..
How do I move my JMenuBar to the screen menu bar on Mac OS X? http://stackoverflow.com/questions/8955638/how-do-i-move-my-jmenubar-to-the-screen-menu-bar-on-mac-os-x Dictionary Info.plist Keys About Info.plist Keys and Java Runtime System Properties . key Properties key dict key apple.laf.useScreenMenuBar..
@Inject to pass params to a CDI @Named bean via URL gives Jboss error on Netbeans http://stackoverflow.com/questions/10058852/inject-to-pass-params-to-a-cdi-named-bean-via-url-gives-jboss-error-on-netbean import static java.lang.annotation.RetentionPolicy.RUNTIME import java.lang.annotation.Target import javax.inject.Qualifier.. import javax.inject.Qualifier @Qualifier @Retention RUNTIME @Target METHOD FIELD PARAMETER TYPE public @interface HttpParam.. The custom @HttpParam annotation @Qualifier @Retention RUNTIME @Target TYPE METHOD FIELD PARAMETER public @interface HttpParam..
Cross field validation with HibernateValidator works fine but displays no error messages http://stackoverflow.com/questions/11890334/cross-field-validation-with-hibernatevalidator-works-fine-but-displays-no-error import static java.lang.annotation.RetentionPolicy.RUNTIME import java.lang.annotation.Target @Target TYPE ANNOTATION_TYPE.. @Target TYPE ANNOTATION_TYPE @Retention RUNTIME @Constraint validatedBy FieldMatchValidator.class @Documented.. @see FieldMatch @Target TYPE ANNOTATION_TYPE @Retention RUNTIME @Documented public @interface List FieldMatch value The following..
Java : accessing annotations through reflection http://stackoverflow.com/questions/2286998/java-accessing-annotations-through-reflection it needs to have a Retention policy of Runtime. @Retention RUNTIME @interface Annotate Otherwise the annotations are dropped and..
http://stackoverflow.com/questions/3107970/annotations-retention-policy java.lang.annotation.RetentionPolicy costants SOURCE CLASS RUNTIME and the term retaining annotation java annotations share.. Somewhat surprisingly this is the default. RetentionPolicy.RUNTIME Do not discard. The annotation should be available for reflection..
Pointcut matching methods with annotated parameters http://stackoverflow.com/questions/3565718/pointcut-matching-methods-with-annotated-parameters @Documented @Target FIELD CONSTRUCTOR PARAMETER @Retention RUNTIME public @interface @MyAnnotationForParam and package com.xxx.xxx.annotation.. standard imports stripped @Target METHOD @Retention RUNTIME @Documented public @interface MyAnnotationForMethod And of course..
http://stackoverflow.com/questions/4093504/resource-vs-autowired meta annotation @Qualifier @Retention RUNTIME public @interface YourQualifier So you can have bean class com.pkg.SomeBean..
http://stackoverflow.com/questions/5026376/applet-java-heap-space to be used in a webrowser. Therefore is there a way at RUNTIME in an APPLET to change the heap size java applet heap next..
Why are annotations under Android such a performance issue (slow)? http://stackoverflow.com/questions/7417426/why-are-annotations-under-android-such-a-performance-issue-slow before ms @Target FIELD @Retention RUNTIME private static @interface MyAnnotation String foo private static..
How to create a custom validator in Play Framework 2.0? http://stackoverflow.com/questions/8115106/how-to-create-a-custom-validator-in-play-framework-2-0 import javax.validation. @Target FIELD @Retention RUNTIME @Constraint validatedBy AllUpperCaseValidator.class @play.data.Form.Display..
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