Recent questions tagged JAVA

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java - ClassCastException: org.apache.xerces.parsers.XIncludeAwareParserConfiguration cannot be cast to org.apache.xerces.xni.parser.XMLParserConfiguration

I am developing a GWT application in Eclipse and use jdom2 to read some custom xml property files. Following a ... out of my comfort zone. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Bind array param to native query

I have table product_spec_entry with following columns: product_spec_id commodity_spec_id for one product_spec_id may be several ... for it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why 0.1 represented in float correctly? (I know why not in result of 2.0-1.9)

I've read a lot about float representation recently (including this: How To Represent 0.1 In Floating Point ... does Java deal with this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Using JavaFX Application.stop() method over Shutdownhook

So im using shutdownhook to clean up, bud since its not always guaranteed that shutdownhooks thread executes , should i ... over stop() at all. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Apache POI DataFormatter Returns Scientific Notation

I have an xlsx file I'm reading with apache poi 3.17 in java 6. In one instance I have a cell with ... power over the original xlsx. Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - checking whether a package is existent or not

How can i check whether a package like javax.servlet.* exists or not in my installation of java? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Double brace initialisation (anonymous inner class) with diamond operator

I am wondering why the second map declaration (using the diamond operator) does not compile when the first one ... the class's type arguments. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Fire Button's onAction with Enter in JavaFX

I'm a newbie to JavaFx. In my JavaFX application I have set onAction property and it works fine when I ... to set that to multiple buttons? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why are variables not local in case statements?

I recently add another menu item to an android java app and was suprised that Eclipse said that variable from the ... editor2.commit(); break;` See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Passing parameterized Class instance to the constructor

I have lost in the Jungle of Generics, please help me :) I have something like this: public class BaseClass<TYPE ... I could not make up better. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JOptionPane won't show its dialog on top of other windows

I have problem currently for my swing reminder application, which able to minimize to tray on close. My ... what application is running? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why hashCode() returns the same value for a object in all consecutive executions?

I am trying some code around object equality in java. As I have read somewhere hashCode() is a number which ... code value returned is 4072869. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to include milliseconds in a formatted date string?

Hi I am coding the following: String sph=(String) android.text.format.DateFormat.format("yyyy-MM-dd_hh-mm ... milliseconds in 3 position? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Broken Pipe when writing bytes in ServletOutputStream

While executing this code, ServletOutputStream out = response.getOutputStream(); out.write(bytes, 0, bytes.length); out. ... how can I solve it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Can you index an array with a long int?

Is it somehow possible to use a long int to index an array? Or is this not allowed? What I mean is bellow in the ... ; char res; res = array[x]; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to include text files with Executable Jar

I have a Java project and I want to include a text file with the executable jar. Right now the text file ... single icon and run the program? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Interceptor method not called with interceptor binding

I'm using Java EE 6 & Jboss AS7.1 and try to use interceptor binding (Example from jboss site). I have an ... . */ } Thanks for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to use Renderer for TableHeader

Even I read and test answers by @kleopatra How do I correctly use customer renderers to paint specific cells in a JTable? ... (); } }); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - ObjectInputStream happy with FileInputStream, not happy with getResourceAsStream

I have some pretty standard code which takes in a serialized object from a stream, which bascially looks like this ... the two InputStreams ... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Auto resize swing elements to fit to the container's size

Not sure if what I need is possible. I have a container (JPanel) that contains some internal elements. I was ... internal elements are cut out. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - <c:out/> unknown tag

Why I get error tip message in eclipse on left when I include the following line. <c:out value=${variable}/> ... a jstl I need to include? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How is Eclipse Mylyn useful?

In my Eclipse Preferences -> Java -> Editor -> Content Assist -> Advanced settings, I see the following: ... bug-tracker that Mylyn understands? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Server returned HTTP response code: 400

I am trying to get an InputStream from a URL. The URL can be a opened from Firefox. It returns a json ... is appreciable. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why am I getting an InvocationTargetException? Android 2D game

I am making a 2D game in Android with Cocos2D, written in Java. Here is my code for the main stuff: public void ... y, x+width, y+height); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Play Framework appending #_=_ to redirect after Facebook auth via OAuth2?

I'm doing a simple redirect after calling OAuth2::retrieveAccessToken() with Play Framework. I'm having funny ... has been explicitly set? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to set Google Chrome in WebDriver

I am trying to set Chrome as my browser for testing with Web-Driver and set the chromedriver.exe file properly but ... webUrl); Please help me!! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Is it possible to configure log4j to create a new file with every run of the application?

For example, the first time I run an application (or immediately after I clear out the /logs directory), I want ... this possible? If so, how? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Log4j 2 doesn't support log4j.properties file anymore?

I am running an example using log4j 2.0-rc1 and log4j.properties file, but log4j lib always runs it ... log4j2.properties and nothing happened. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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