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• Java - Interfaces

  - by RayAllen

  I had a doubt .. Why do we need interface in Java ? Instead of interface can't we write the methods in the class itself ? Why do we need seperate interface?

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• Java postal address parser

  - by Yishai

  Somewhat related to this question, but in the absence of any answer about QuickBooks specifically, does anyone knows of an address parser for Java. Something that can take unstructured address information and parse out the address line 1, 2 and city state postal code and country?

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• try/catch on stack overflows in java?

  - by stereos

  Can you try/catch a stack overflow exception in java? It seems to be throwing itself either way. When my procedures overflows, I'd like to "penalize" that value.

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• java.lang.RuntimeException: Spurious serialisation error

  - by sandeep

  I had problem with my client program when I run my client in eclipse or netbeans, I get a runtime error java.lang.RuntimeException: Spurious serialisation error. But when i use command prompt I have no errors. Here is my client code http://pastebin.com/jUkw7F7k

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• any RAD tool for java app development ?

  - by fwfwfw

  is there some RAD tool for creating java apps with event driven flow ? basically like visual basic.

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• Converting jsp to servlet in spring mvc and installers for java webapplication

  - by srinivas-g

  I i have developed a java web application using spring mvc and used jetty server, its a intranet application where i want to distribute it to the end user in a form of binary format where user can install the application using installers(please suggest the which one will be suitable ) for windows platform, my other requirement is i dont want the end user to see the jsp code.

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• Formatting Timestamps in Java

  - by Craig H

  Is there a way to format a UTC time into any arbitrary string format I want in java? Basically I was thinking of having some class take the timestamp and I pass it is string telling it how I want it formated, and it returns the formatted string for me. Is there a way to do this?

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• Generating exactly prime number with Java

  - by Viet

  Hi, I'm aware of the function BigInteger.probablePrime(int bitLength, Random rnd) that outputs probably prime number of any bit length. I want a REAL prime number in Java. Is there any FOSS library to do so with acceptable performance? Thanks in advance!

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• Is there something like find_if in Java?

  - by FredOverflow

  In C++, I can use find_if with a predicate to find an element in a container. Is there something like that in Java? The contains method on collections uses equals and can not be parameterized.

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• Java: Check if a given method name exist in compile time

  - by Tom Brito

  I'm developing a frameword for handle Actions from Java Swing components; I would like to know if there is a way of checking if a given method name (that will be accessed by reflections) exists in compile time, and show a compiler error if not?

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• Japanese fonts in a Java GUI

  - by kakashi

  Hi everyone, Is it possible to write a GUI in Java that would display Japanese fonts correctly regardless of the language settings of the OS it's being run on? I'd like to write a program which is able to do this but I'm not sure how to start going about this. Any advice would be a huge help!

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• HSM Algorithm Implementation in Java

  - by Pramodh

  hi, I'm learning the IEEE paper "Monitoring the Application Layer for DDoS Attacks " . I need to implement HSMM(Hidden Semi Markov Model) Algorithm in Java. Please help me to do this

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• retrieving the mac address using java

  - by user308806

  Hello, I would like to know how can i retrieve the mac address of a pc using Java. could you please help me. Regards,

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• How to Configure Google app engine Java project when using third party libraries like spring

  - by Praneeth

  How to configure applications that use Spring MVC for GAE Java. Is there an article which gives this information? More specifically I would like to know if I am required to upload spring related jars also to the cloud? How do I need to configure my application if I needn't upload these jars?

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• How to create .exe file for java project.

  - by Manu

  hi all How to create .exe(executable)file for java project?. thanks for your help in advance.

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• lightweight publish/subscribe framework in java

  - by mdma

  Is there a good lightweight framework for java that provides the publish/subscribe pattern? Some ideal features Support for generics Registration of multiple subscribers to a publisher API primarily interfaces and some useful implementations purely in-memory, persistence and transaction guarantees not required. I know about JMS but that is overkill for my need. The publish/subscribed data are the result of scans of a file system, with scan results being fed to another component for processing, which are then processed before being fed to another and so on.

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• managing software editions created in java

  - by user121196

  I plan to create 3 editions of a piece of software in java from existing code base. what's the best practice? should I create 3 different projects one for each edition? Also any tools for managing editions?

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• How can I create a Java device emulator

  - by Jim

  I want to create my own device to be compatible with the Java ME SDK, in fact it is a CDC PBP1.0 device. Does anyone have any experience to share on this or can point me to the correct place within Sun's jumbled website.

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• How to ACTUALLY install Java on Linux?

  - by Camran

  I have a Ubuntu Server. From the terminal, how should I install JDK? In this guide it says to use this command: sudo apt-get install sun-java6-bin sun-java6-jre sun-java6-jdk But on Suns website, it says JDK includes the JRE, so why the JRE in the line above? Anybody know how to actually install Java? Every guide and every forum shows different ways of doing it. BTW: It is a VPS (virtual private server) Thanks

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• Checking if a Java object is of an array type in JNI

  - by Dan Berindei

  Say I have a MyClass class in Java, is there a way to check in JNI that a jobject is a MyClass[][]? My initial idea was to use env->IsInstanceOf(myobj, myArrayClass), but calling env->FindClass("[MyClass") throws a NoClassDefFoundError.

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• Good-looking Java Swing Look&Feel?

  - by eric

  I'm working on an open-source Java Web Start application, and I'd like to give it a consistent theme across platforms. Metal is totally ugly, and I'm not particularly happy with Substance (esp. performance). What are the best Swing Look&Feel options out there today?

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• Java test specific property of an object using Collection.contains()

  - by DrDro

  In Java how to test if a Collection of objects contains an object depending on one of its properties. For example I would like to test if Collection<myObjects> contains an instance of myObjects which has myObjects.name = "myName".

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• How to determine a random int between 1 and 800 in java

  - by Charlie

  I feel like this is trivial, but my brain is not functioning. How can I generate a random integer between 1 and 800 in Java?

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• java web browser slow

  - by zachary

  org.eclipse.swt.browser.Browser I load the embedded browser into java and have it load a page. It seems to load really slow... is this an issue with the page caching? What can I do to speed this up?

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• Hide Java application from command-tab application switcher in OSX

  - by mystro

  I have a java application that has an icon in the tray of the menu bar at the top of OSX. I've been able to remove the icon from the dock when the application is "minimized to tray", but it still appears when I command-tab to switch between my running applications. I'd like to hide it from there too, but I'm not sure how to do that, so I would appreciate any advice Thanks!

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