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Java is an object-oriented language and runtime environment (JRE). Java programs are compiled to bytecode and run in a virtual machine (JVM).

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Unrendered UIDL

I develop on vaadin 6. I want to use the vaadin chart add on. I've include all .jar files at web-inf -> lib and compile the widget set by vaadin plugin for eclipse. But this is the output. Widgetset ...
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rowSelect event returns null when multiple datatables are rendered

I have a composite component with a lazily loaded datatable. I need to render this component multiple times on the same page. I need to enable single row selection on the tables as well. The problem ...
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“Back” button on Action bar - Android . How to go “back”?

Image Action Bar (Cant show image with <10 rep) I'm talking about the (Number 1, in the pic), button with a little arrow and the app icon and the top left side of the screen. It is automatically ...
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Reading soap header elements

I have a soap header like this: <soapenv:Header> <Authentication xmlns="http://schemas.xmlsoap.org/soap/envelope/"> <UserName>username</UserName> ...
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1answer
38 views

jar file is not running

I created one simple program in which i am having one class and inside that i am having main method and in which i written one simple System.out.println statement and for experience i tried to create ...
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2answers
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How to update files without losing previously written info?

I use scanner & PrintWriter for files in JAVA. When i create a file & write some info in it & close it, next time i open the file & write something in it the previous info gets ...
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RetrievalException in wordnet code

I executed the following code but an exception has been appeared. package testapp; import edu.smu.tspell.wordnet.*; public class MyApp { public static void main(String [ ] args) { ...
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1answer
10 views

Implement draggable window

I want to create window similar to this example: I managed to create similar window with TabPane but I want to change the position of the window and drag it over the main stage as stand alone ...
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1answer
29 views

Converting JSON to class

and a class named Entry. How can I convert the GlossEntry Object in json to an Entry Class Object in java. { "glossary": { "title": "example glossary", "GlossDiv": { ...
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1answer
5 views

Android's HttpURLConnection throws EOFException on HEAD requests

This small code snippet runs fine on my Mac's JVM. Unfortunately it crashes when executed on Android 4.2. import java.net.HttpURLConnection; import java.net.URL; public class App { public static ...
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Java JEditorPane - Trying to edit an html tag value and getting Exception

I have a JEditorPane and I'm trying to edit one fo the html element attributes, basically changing the the src x value in to a custom value The code I have is: // Get <img src="..."> tag ...
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1answer
24 views

Best way for encapsulating the oracle and mysql

I have many kinds of db, some are oracle and some are MySQL , so when i have an operation about transaction , how can i know which db should be operated. Have the ways to encapsulate for them to ...
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1answer
12 views

Android game development kits

I was wondering what sdk's are used for the creation of for example Angry birds or Candy Crush. Does anybody have an idea? I've searched for it already but I couldn't find it.
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4answers
49 views

Unparsable date exception

I'm currently working on some simple project in Java and I have date in the following string: String dateString = "Sun 7/14 03:44 AM 2013"; and want to to convert this string to Date object. I'm ...
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Java Program Upper case to Lower case [on hold]

I have this problem: Write a program that allows a user to enter three words and display the appropriate three acronym in all upper case letters. I'm not that much new to this but still I'm having ...

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