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• What is "Paint" event handler in Java?

  - by Ahmad Farid

  What is the event handler in Java (using net beans, Swing) that resembles the Paint in C#? The event which shall be fired when the form is restored, resized ... etc

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• return type of main in java

  - by girinie

  Hi I like to know why only void return type for main method in java. public static void main(String [] args) Why there is no other return types other than void for main method. Thanks

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• Sending mail from a java app without using an external SMTP server

  - by Andrew

  JavaMail requires that you specify an external SMTP server when sending mail. I want to have my java app send email directly without having to use an external SMTP server such as postfix or sendmail. Can anyone recommend a library which provides this kind of functionality? Ive done some googling and have come up with nothing.

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• how to add to dates in java??

  - by terrific

  I want to add days in a date to get a new date in java. How to achieve it using the Calender class. Gregorian calender. Calender dom = new GregorianCalender(d, m y); is the instance of my date of manufacture and I want to reach to Date of Expiry adding some 100 days to the current date and store it in doe but unable to do that. Any help would be appreciable.

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• what is java exception?

  - by Stupid_medankia

  What is java exception? Is an exception considered an error? When should I throw exceptions? How many kind of exceptions?

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• How do you develop Java Servlets using Eclipse?

  - by Y Pgjn

  I would like to program Java servlets using Eclipse and I plan on deploying them using Tomcat. I think I can build the projects using Ant which is bundled with Eclipse. I have the standard Eclipse IDE. What options do I have for doing Servlet development in Eclipse? What changes do I need to make to Eclipse? Do I need to install a plug-in?

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• How many ways a java Program can end ?

  - by Frank

  I know use System.exit(0) can end a java program, for instance, if I have a JFrame window, it will close and end the program, but I wonder how many other ways, can it be closed and the program be ended ? Including when an error occurs, will the program be shut down and the JFrame be closed ?

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• Java efficent strategy to access a DB

  - by user279481

  A simple question: what is the more efficient way to access a db in Java/JDBC? I'm a web developper and I'd like to write some reusable and scalable code. What can you suggest?

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• data mining open source software in java

  - by pat

  Hi i just like to know is there any open source data mining software written in java that is approximately less than 3k lines of codes? If yes, please give download link i need to do software testing thank you.

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• Way to track the face in Java.

  - by chetans

  I want to track the face using web camera in java. How to do this? can any one tell me the way or else the link on which i can get the information about this?

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• Which Java Telnet or openSSH library?

  - by markovuksanovic

  I need to make a small test program in java which has to communicate with remote Windows server using telnet, or openSSH. Which library would you suggest to use? I'd like to use a well documented and stable library.

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• "using" keyword in java

  - by DrDro

  In Java is there an equivalent to the C# "using" statement allowing to define a scope for an object: using (AwesomeClass hooray = new AwesomeClass) { // Great code } This has probably allready been asked but the keywords make it difficult to find a relevant question.

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• Preventing call of a private constructor from within the class in java

  - by code_pro

  Hi We can resrict the creation of object of a class by making it's constructor private. But this constructor could still be called from within the class. is there anyway to prevent this in Java? Thnx.

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• Read xlsx file in Java

  - by MrPortico

  I need to read a Excel 2007 xlsx file in a java application. Does anyone know of a good api to accomplish this task? Thanks in advance for any advice given. -MrPortico

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• reserved words in java

  - by abson

  goto is a reserved word in java. Is it true? Why so?

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• Java Folder Location for Image NetBeans 6.8

  - by ikurtz

  greetings, today i have started to learn java using netbeans ide. i would like my jframe to display an icon as stated in the following: setIconImage(Toolkit.getDefaultToolkit().getImage("SartreIcon.jpg")); the questin is under netbeans ide.. exactly in which folder do i place the graphic in question in order to load it? thanks.

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• Same keyword for two purposes in java?

  - by gurukulki

  As we use "default" keyword as a access specifier, and it can be used in switch statements as well with complete different purpose, So i was curious that is there any other keywords in java which can be used in more then one purposes

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• Same keyword for two purposes in java?

  - by gurukulki

  As we use "default" keyword as a access specifier, and it can be used in switch statements as well with complete different purpose, So i was curious that is there any other keywords in java which can be used in more then one purposes

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• Java wysiwyg HTML Editor

  - by Kyle

  Hello, I'm working on a project and need a simple free java HTML wysiwyg editor can anyone point me in the right direction?. It only has a small space to fit into, so something fairly simple would be best. Thanks for the help!

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• How to convince management that reformatting entire java code base is safe

  - by jtsampson

  How would one go about proving to management that a batch reformat of all .java files in a large code base (to place the code in compliance with the company's coding standards) is safe and will not affect functionality. The answers would have to appease the non-technical and the technical alike.

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• Converting a String to Color in Java

  - by devoured elysium

  In .NET you can achieve something like this: Color yellowColor = Color.FromName("yellow"); Is there a way of doing this in Java without having to resort to reflection? PS: I am not asking for alternative ways of storing/loading colors. I just want to know wherever it is possible to do this or not.

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• Access .net dll's method using java code

  - by Samurai

  I have a dll namely product.dll created using .net. How can i access that dll's constructor or method using java code.. Is it possible to access without using JNI?

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• How To Replace @Resource Annotation with Java 1.4 Compliant Version

  - by Luke

  Hello, I have a test class that has a @Resource annotation for a setter and I need to make it Java 1.4 compliant, so obviously the annotation has to go. I'm using Spring. So, how would I replace something like @Resource("my.resource") so that the setter gets the correct dependency injection? Would I need to make a bean in an xml file? I'm pretty new to this so if I'm not providing enough information, let me know.

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• Java OCR package

  - by pstanton

  what is the best OCR package you've used with java? I need to parse mainly numbers in a single font and am looking for a well architected, lite weight library to use. thanks.

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• Embed a live internet video stream into a Java App

  - by pie154

  I have a video stream from that is acesssed through an ip address over the internet. IS there any way to embed this into a java applications GUI? Think I maybe need code for embeedding a browser or something like that maybe?

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