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• Filtering illegal XML characters in Java

  - by GrzegorzOledzki

  XML spec defines a subset of Unicode characters which are allowed in XML documents: http://www.w3.org/TR/REC-xml/#charsets. How do I filter out these characters from a String in Java? simple test case: Assert.equals("", filterIllegalXML(""+Character.valueOf((char) 2)))

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• Possible memory leaks in the Java Development Work

  - by harigm

  Can any one let me where the memory leaks can happen when we are developing Java based application. I am aware of Database but apart from that, is there any other possible ways . Please list the scenarios

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• how set vertical marquee in java application?

  - by Arivu2020

  Hi, I am creating one application in java using swing.In that i have an array of String, I try to use html marquee tag to scroll all the strings one by one from top to bottom.But the marquee tag doesn't support in the panel. How can i acheive it.Can any one suggest me? Thanks in advance

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• replace special characters in string in java

  - by zahir

  I want to know how to replace the string in Java. E.g. String a = "adf?sdf"; How can I replace and avoid special characters?

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• Batch Create Java Class Stubs

  - by user344639

  Given a list of potential class names: 1. Alaska . . . 50. Wyoming Is there a tool that will create empty java class files for each with supplied parameters? I'm thinking of something like the "New...Class" dialog in Eclipse, only on steriods. :-) Thanks in advance, Kyle

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• pumpevents - customized look and feel java taking too much system resources

  - by Aizaz

  I make my own GUI see here but system is taking too much resources on further looking into the issue i have found that java pumpevents method is talking too much time. Any resolutions ???? pump events more detail pump event detail

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• Replacement for java.util.zip for streaming usage?

  - by evilfred

  java.util.zip sucks for stream compression. The longer you leave an Inflator/Deflator open without calling end(), the more native memory it uses up. This is a known issue: http://bugs.sun.com/view_bug.do?bug_id=4797189 which nobody seems to care about fixing. What is a good alternative? Preferably one that is free and is still actively supported by its developers.

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• How to capture video from webcam(in java)?

  - by user243680

  I want to develop an application in java to capture video from webcam and store it onto a particular location.Can anyone provide me the working code? What type(usb,ip etc..) of webcam is the best in order to develop the application. Please help me. how to proceed?

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• Java: unwanted characters at the beginning of a file as result of serialization

  - by Patrick

  hi, when I write a new text file in Java, I get these characters at the beginning of the file: ¨Ìt This is the code: public static void writeMAP(String filename, Object object) throws IOException { ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(filename)); oos.writeObject(object); oos.close(); } thanks

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• Convert string from UTF-8 to ISO 8859-1 in Java

  - by Derk

  I want to encode a UTF-8 string to a ISO 8859- string in Java I have this: String title = new String(item.getTitle().getText().getBytes("ISO-8859-1")); But it isn't working, the output is Sørensen for example

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• Is Java Swing still in use?

  - by Mark Szymanski

  I am planning on making a Java Swing application and was wondering if Swing is still used or if it has been replaced with something else. Thanks in advance!

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• Sample xml configuration for log4j, have a 'main' java application and want to write to file

  - by Blankman

  Are there any example log4j configuration files (XML). I have a java main application. I want log4j to output to console AND write to file. Any examples of this would be greatly appreciated. I'm using netbeans if that matters.

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• Setting multiple jars in java classpath

  - by Chris Serra

  Is there a way to include all the jar files within a directory in the classpath? I'm trying java -classpath lib/*.jar:. my.package.Program and it is not able to find class files that are certainly in those jars. Do I need to add each jar file to the classpath separately?

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• Java app: Load all resources at startup time

  - by Tom Brito

  Java loads the resources as they are needed. This make my tiny small desktop application to be very slow when opening a window. How can I do to load all the resources when starting the app? Is something related to classloaders?

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• MapReduce programming system in java-actionscript

  - by eco_bach

  Just finished reading ch23 in the excellent 'Beautiful Code' http://oreilly.com/catalog/9780596510046 on Distributed Programming with MapReduce. I understand that MapReduce is a programming system designed for large-scale data processing problems, but I have a hard time getting my head around the basic examples given and how I might apply them in real world situations. Can someone give a simple example of MapReduce implemented using either java, javascript or actionscript?

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• Cancel changes in a Java Swing Input window

  - by Tony

  I am new to Java Swing and I am creating a window which displays a list of items retrieved from an XML file that can be manipulated by the user. The window should have a Cancel and a Save functionality implemented with buttons. While the Save functionality is straightforward (just close the window) I don't know how to implement the Cancel functionality. Does exist an "undo" function? Does anyone know how?

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• Define a default .properties file in JAVA

  - by bnabilos

  Hello, I have 2 .properties files in my java project and I want to define one of them as default file to be used when the language of the operating system is different from the 2 languages already defined. Can you tell me please what should I add to my code to make that possible? Thank you

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• link state notification in Java

  - by wwh37

  Is there any way in Java to receive event notifications whenever link state changes on a computer (connected, disconnected, up, down, etc)? Thanks!

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• Accessing the "super of this" in Java

  - by gerdemb

  This is what I'm doing now. Is there a better way to access the super class? public class SearchWidget { private void addWishlistButton() { final SearchWidget thisWidget = this; button.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { // A better way to access the super class? // something like "this.super" ...? workWithWidget(thisWidget); } } } } I'm programming with Google Web Toolkit, but I think this is really a generic Java question.

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• Mapping Java Native Methods to C++ Member Functions

  - by live2dream95

  The examples for JNI i've seen map Java native methods to implementation by C++ global functions. Is there a way to set the native methods implementation to be the member functions of a C++ object instead?

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• Removing HTML from a Java String

  - by Mason

  Is there a good way to remove HTML from a Java string? A simple regex like replaceAll("\\<.*?>","") will work, but things like &amp; wont be converted correctly and non-HTML between the two angle brackets will be removed (ie the .*? in the regex will disappear).

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• how to convert this string into two dimensional array using java

  - by Karthi

  Hi friends, I have text file as 0B85 61 0B86 6161 0B86 41 0B87 69 0B88 6969 0B88 49 0B89 75 0B8A 7575 0B8F 6565 I want to write this string into two dimensional array. (i.e) String read[0][0]=0B85 and String read[0][1]=61. Please suggest any idea to do this using java. Thanks in advance.

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• Difference between Java Collection and Collections

  - by Nirmal

  Hello, all! I just want to know what the actual difference between Java Collection and Collections is. Thanks in advance!

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• how to detect operating system language (locale) from java code

  - by Sudhir

  What is the correct way of knowing operating system language (locale) from java code? I have tried Locale.getDefault() System.getProperties("user.language") etc. but they are not correct nothing actually displays the "System Locale" which is available by the command "systeminfo" in windows. Please help.

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• How to deploy a flex+java+blazeds application ??

  - by antoniomtz

  Hi, i have a problem, I developed an application using flex+java+blazeds with tomcat that provide flex enviroment. I want to deploy my application using tomcat but I can't, how can I deploy my app?

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