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• Maven and native libraries.

  - by EK

  I mavenize my java-project and don't understand, how add in it native libraries. In my not-maven project i did it via CLASSPATH. I use NetBeans and maven in it.

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• can not find symbol

  - by joseph

  // Register JDBC driver Class.forName("net.sourceforge.jtds.jdbc.Driver"); method forName(java.Lang.String) Class.forName("net.sourceforge.jtds.jdbc.Driver); ^

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• How to set Accept-Language header on request from applet

  - by Jo

  Hi, I'm not familiar with Java but I need to make a request to a remote webservice from within my applet. The webservice (.Net 1.1) uses HttpContext.Current.Request.UserLanguages[0] to determine the language to use. But the value of this member is alway null. So is there a way to pass the Accept-Language header along with something like "en-GB" set?

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• Parsing plain text to some structured object

  - by Jeriho

  I am working on parsing plain text and converting it to key-value pairs. For example, plain text: some_uninteresting_thing key1 valueA, valueB, valueC key2 valueD key3 valueE valueF key4 valueG(valueH, valueI) key5 some_uninteresting_thing valueJ some_uninteresting_thing key6 some_uninteresting_thing (key6 shouldn't be mapped because has no appropriate values) As you can see plain text is lenient. What java library can handle this? If no such library exist, any suggestions on algorithm to do this.

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• whiteboard application

  - by alice

  Hi..i wanted to develop a whiteboard application..i know the basics of java..but have no idea where to start from..so..i'd really appreciate if you could guide me..as in..where do i start from??

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• whiteboard application

  - by alice

  Hi..i wanted to develop a whiteboard application..i know the basics of java..but have no idea where to start from..so..i'd really appreciate if you could guide me..as in..where do i start from??..plz...i reallly need ths..

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• Which pattern is good for bullets hit test in game that need server validates ?

  - by Konami.Koumura

  I would like to design a PvP game uses flash in client and java socket server, but I do need server validates trajectory and if bullets hit target from cheating. Is there any tutorial or paper provides how to do this ?

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• Super class reference to a sub class object ?

  - by JavaUser

  Give me a situation where we need to use the super class reference to a subclass object in Java.Please give me a real time example. Thx

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• Repeated regular expression

  - by javaguy

  How can I parse a strings like : name1="val1" name2="val2" name3="val3" I cannot use split(\s+) as it can be name = "val 1". I am doing java but any laguage is okay.

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• com.mysql.jdbc.Driver classnotfoundException

  - by Mohammed_Q

  Im getting classnotfountexception on Class.forname("com.mysql.jdbc.Driver") im using: windows vista 64-bit, Eclipse Galileo, GWT framework i downloaded (mysql-connector-java-5.1.6-bin), but what the exact path i should add to. im getting this exception while im in gwt-projects, but normal projects working good, any idea how that should be done???...thanks

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• How to explictely obtain post data in Spring MVC?

  - by predhme

  Is there a way to obtain the post data itself? I know spring handles binding post data to java objects. But if I had two fields that I want to process manually, how do I obtain that data? Assuming I had two fields in my form <input type="text" name="value1" id="value1"/> <input type="text" name="value2" id="value2"/> How would I go about retrieving those values in my controller?

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• How to group a database write and spreadsheet write in single "transaction"

  - by WhyGeeEx

  I have a Java program that writes results to both a DB (SQL Server) and a spreadsheet (POI), and it would be best if neither is written to if there's an error with either. It would be a lot worse if the spreadsheet was produced and then an error happened while saving to the DB, so I'm doing the DB-write first. Even so, I'm wondering if someone knows of a way to guarantee they both succeed or fail as a unit. Thanks!

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• Handle Proxy servers?

  - by govardhan

  We are doing one project. We have to develope website, that displays all proxy servers list and when user click on particular server it will be activated to him. For this I am confusing on use Java or PHP. which is simple to handle proxys. Please help me.

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• Requirements to establish a connection with the database

  - by Zachary

  I am new to web development, I have to create a web application in Java using GWT that connects to a database and download a file from it. Regardless of the type of database, what does the web application need in order to create a connection with the database? E.g. an API

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• Iteration order of HashSet

  - by eljenso

  If every object added to a java.util.HashSet implements Object.equals() and Object.hashCode() in a deterministic fashion, is the iteration order over the HashSet guaranteed to be identical for every identical set of elements added, irrespective of the order in which they were added?

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• Displaying HTML contents over an applet - wmode transparent?

  - by pako

  For Flash content, I can set wmode="transparent" and display HTML menus over my Flash animation. Is something similar possible for Java applets, too?

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• Standard Interfaces

  - by Amir Rachum

  I've used Java for some time and I keep hearing about interfaces such as Cloneable, Iterable and other X-ables. I was wondering if there is a list somewhere of all of these and more importantly - which ones do you regularly use day-to-day? For example, I've read that Cloneable is considered badly written and isn't widely used.

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• Data binding library with support for generics and SWT/JFace?

  - by Alexey Romanov

  JFace Databinding doesn't support generics, so it isn't particularly type-safe. And apparently it never will, since they wish to preserve Java 1.3 support. JGoodies supports generics since 2.0.0. Has anyone ported JGoodies 2 to SWT/JFace? Or is there another library which allows both?

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• how to use a MySql database within Eclipse

  - by aadersh patel

  I am very new to programming, so please bear with me, and apologies in advance if at first I dont make sense...! I am doing an undergrad programming project, and need to make some databases within a Java program. I am using eclipse (galilo) to write my program. I have downloaded a connector/J, but havent the foggiest how i should use it! Anyone out there able to give me a step by step approach?! Many thanks!

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• where can I bring com.ms.* packeges to build

  - by Bassel Alkhateeb

  I'm trying to build mS-java compatible applet and I have references to classes in com.ms.*. But I can't find the required libraries.

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• Difference between library and native library

  - by Alvin

  Could anyone tell me the difference between library and native library in terms of java? I found the word "native library" in the following line: Type 1 - drivers that implement the JDBC API as a mapping to another data access API, such as ODBC. Drivers of this type are generally dependent on a native library, which limits their portability. The JDBC-ODBC Bridge driver is an example of a Type 1 driver. which you can found here

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• Converting back from toString to Object

  - by MontyBongo

  Is there any way to covert from toString back to the object in Java? For example: Map<String, String> myMap = new HashMap<String, String>(); myMap.put("value1", "test1"); myMap.put("value2", "test2"); String str = myMap.toString(); Is there any way to convert this String back to the Map?

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• What are the differences between a Just-in-Time-Compiler and an Interpreter?

  - by Rookian

  What are the differences between a Just-in-Time-Compiler and an Interpreter, and are there differences between the .NET and the JAVA JIT compiler?

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• What is Dispatcher Servlet in Spring?

  - by theband

  http://maestric.com/wiki/lib/exe/fetch.php?w=&h=&cache=cache&media=java:spring:spring_mvc.png In the above image, HTTP request sends something to Dispatcher Servlet. My Question is what does Dispatcher Servlet do. Is it something like getting the information thrown from the web page and throwing it to the controller.

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• Upside down question mark issue

  - by Madhumita

  We have a very strange problem in out application, all of a sudden we started noticing upside down question marks being saved along with other text typed in to the fields on the screen. These upside down question marks were not originally entered by the users and it is unclear where they come from. We are using Oracle 10g with java. And this is happening, even when no data is copied from Microsoft Word

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