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• Eclipse - Handling Java Exceptions like in NetBeans

  - by Xorty

  I recently moved from NetBeans to Eclipse and I very much miss one great feature - whenever I use method which throws some kind of exception, NetBeans alerted me and I needed to add try-catch and NetBeans automatically generated exception type for me. Is there something similiar for Eclipse? f.e. : Integer.parseInt(new String("foo")); NetBeans…

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• FileReader File not Found Java

  - by Lucas Camargo de Carvalho

  I have done everything I know. The file is not a ".filetype.filetype". It is in the same folder as the .settings and the other project files. Why is this not working? Full path isn't working either, but strangely, a Scanner is working. import java.io.FileReader; public class test { public static void main(String[] args) { FileReader…

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• Java libarary for HTML elements/tags

  - by corgrath

  Anyone know a decent Java libarary for HTML elements? Ex if I want to create an img-element, I would go new Image(...) The object should support the normal HTML functions/attributes, such as setting CSS or disable.

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• Example for java collection classes

  - by JavaUser

  Hi, Please point me some real time examples scenarios for each java collection classes. For example to store file system in a hard disk ,our best option is TreeMap.I need example for other classes. Thx

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• Embeding Gecko/Webkit in Java

  - by user318590

  Id' like to have Gecko/Webkit/other webbrowser embeded in Java as a swing/awt control. I like something different to Jrex or JWebPane.

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• How is hashCode() calculated in Java.

  - by Jothi

  What value is hashCode() method is returning in java?. i read that it is an memory reference of an object. when i print hascode value for new Integer(1), its 1. for String(a) - 97. so i confused. is it ascii or what type of value is?

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• Open PDF file on fly from Java application

  - by Mr CooL

  Is there any way to have a code where it can be used to open PDF file in Java application but do not side to any platform. I mean using batch file in Windows could do that. Can it be any other way to have platform independent code to open PDF on fly.

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• Java declarations (ordering)

  - by incrediman

  In Java, what's generally the most accepted way to organize a class in terms of the order in which declared data members and methods should be listed in the class file, keeping in mind the following and anything else you can think of for each one: its visibility whether it's a constructor, method, or member if it's a method, does it overload,…

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• Pop-up window in Java Swing

  - by Gabriel Parenza

  Hey, Can someone suggest me how to implement a pop-up window in Java Swing. I want the pop-up window to be a modal window (user cannot return to the main window when the pop-up is open). I tried doing it using JDialog but it allows only one widget for user input to be in it whereas I need multiple widgets. I may be wrong here but this is what…

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• java double[][] - display as image

  - by joe_shmoe

  Hi all, just wondering if there is a simple way in java to display the contents of say 16x16 array of doubles [0..1] as a greyscale image (ala matlab)? using an unfamiliar matrix library, so I'd like to check that I'm on the right track. don't really care if it is slow or ugly, or if it requires external library - it's just there for a quick…

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• Cooking Units in Java

  - by gregm

  Are there any open source libraries for representing cooking units such as Teaspoon and tablespoon in Java? I have only found JSR-275 (http://jscience.org/jsr-275/) which is great but doesn't know about cooking units.

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• how to implement k-means for simple grouping in java

  - by thandar

  Hi all, I would like to know simple k-means algorithm in java. I want to use k-means only for grouping one dimensional array not multi. For example, before grouping the array consists of 2,4,7,5,12,34,18,25 if we want four group then we got group 1: 2,4,5 group 2: 7,12 group 3: 18,25 group 4: 34

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• Java design flaws that are unlikely to change due to backward compatibility

  - by koppernickus

  What are the Java language and standard library design flaws you are aware of? I ask only for flaws that: cannot be changed or are unlikely to change due to backward compatibility, are NOT controversial, i.e. most of programmers would agree that "this is a bug not a feature" (for example checked exceptions seem to be controversial language…

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• Provisioning api using java

  - by user268515

  Hi i tried to retrieve all users from the domain using provisioning api & 2-legged OAuth in java program but it returns unknown authorization header........... when i started to search about it i got the scope as https://apps-apis.google.com/a/feeds/user/#readonly. i dont what what #readonly refers please explain it .... Regards…

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• Simple/Direct/Heredoc way of contructing a HTML string in Java

  - by das_weezul

  In python I can construct a HTML string without worrying about escaping special characters like < or " by simply enclosing the string in triple quotes like: html_string = """ <html> <body> <p>My text with "quotes" and whatnot!<p> </body> </html> """ Is there a similar way to do this in Java?

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• Java applet for Tower of Hanoi

  - by Naren

  I am planning to write a Java applet for Tower of Hanoi similar to link( http://www.mazeworks.com/hanoi/index.htm ) Can you suggest how should I start and proceed. And, btw, does it require multi threading? And also, major part of my doubt is to make a disc being clickable and being able to drag and drop the disc on a tower.…

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• Generating Single WSDL file for Multiple JAVA classes.

  - by sachin

  We are using "Bottom Up" approach for building webservices. We have 10 java classes which we want to expose as a webservice. How can we create only one WSDL file for these classes? (java2wsdl utility & its ANT TASK takes only one class as parameter for generating WSDL file.)

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• Java Line separator File .ext separator

  - by ikurtz

  i am wondering regarding Java: is there a file extension separator? like *.doc, the "." being the question. i know there is a line.separator. just would like my app to be portable so i need to know. thank you.

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• Java, dBase microsoft driver and deleted flag

  - by blow

  Hi, im connecting to dBase from java with this string: String url="jdbc:odbc:DRIVER={Microsoft dBase Driver (*.dbf)};DBQ="+databasePath+";DefaultDir="+databasePath+";DriverId=533;FIL=dBase IV;MaxBufferSize=2048;PageTimeout=5;"; Work fine, but with a SELECT statement i can retrieve only record that are not "deleted". In dBase…

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• Java hashtable with seperate chaining collision resolution?

  - by Matt

  I have created a program using the built in java.util.hashtable but now I need to resolve collisions using separate chaining. Is it possible with this implementation of a hashtable? Is there one out there already implemented that uses separate chaining?

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• Windows temporary file in Java

  - by Przemyslaw Rózycki

  How to create a file in Windows that would have attributes FILE_ATTRIBUTE_TEMPORARY and FILE_FLAG_DELETE_ON_CLOSE set using Java? I do want my file to be just in-memory file.

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• Getting A File's Mime Type In Java

  - by Lee Theobald

  I was just wondering how most people fetch a mime type from a file in Java? So far I've tried two utils: JMimeMagic & Mime-Util. The first gave me memory exceptions, the second doesn't close its streams off properly. I was just wondering if anyone else had a method/library that they used and worked correctly?

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• System.exit(0) in java

  - by Ram

  I am writing an application program in java. If i need to exit from the application can i use system.exit or should i use some other method, which is good practice. If calling system.exit is not good practice then tell the reason and tell the alternative way to exit from the application.

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• How to open Word document from Java on exact page or paragraph

  - by Milan

  I want from my java code to open word document. But not just to open the document but also to open on exact page or paragraph. Any ideas or guidelines? Thanks in advance!

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• How to show Java dynamic table in main form instead of new generating form

  - by jitendra muradnar

  I am trying to display a java table on particular event like, when I click button. It makes a DB connection, gets data, puts it into the table, and shows the table in new window. But I want to display that table in my main form, i.e. itself button frame.

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