Recent questions tagged Java

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I am having a problem with modifying EditText in another function started by the thread: Thread thRead = new Thread ... . Does someone know why? See Question&Answers more detail:os...

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

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664 views

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java - How to create and use a generic bean for enums in f:selectItems?

I have generic class with this signature: public abstract class EnumListBean<E extends Enum<E>> { public List<E> ... itemValue="#{rarity}" /> 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 - generics are not supported in -source 1.3

I have a problem while maven packaging. In this code: public class LoginDialog extends Dialog { private final TextField ... the reason of 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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647 views

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java - Javafx Internationalization with custom language

I'm developing a JavaFX application with multiple language support. My app sometimes shows an alert box, ... instead. ResourceBundle res = ResourceBundle.getBundle("application....

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

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561 views

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java - Non Static String cannot be referenced from a static context

When trying to call on a method from another class my method as a error at private class equalsButton ... static class SyntaxErrorException extends Exception { /** * Cons...

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

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501 views

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java - Spring Security beginner's question. Build failed

I downloaded all jar files for Spring Security 3.0 and added them to my lib folder in Netbeans ... .org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startElement(XMLSchemaVa...

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

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711 views

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java - how to strikethrough text in a JTextField?

I have JTextField to display a file name. I would like to strikethrough the text if the file is not valid. How ... tried the html but no luck. See Question&Answers more detail:os...

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

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737 views

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java - JTASessionContext being used with JDBCTransactionFactory; auto-flush will not operate correctly with getCurrentSession()

Using hibernate in my application, and everytime I do a transaction, I get this warning. It is spamming my ... stop the warning from appearing. See Question&Answers more detail:os...

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

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617 views

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java - JComboBox popup is not resized if i add item when it is visible

I have a problem with a JComboBox popup. My JComboBox has an autocompletition implementation like google search box. ... and reopen it? 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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658 views

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java - Adding an Icon to JTable by overriding DefaultTableCellRenderer

I'm trying to add an icon to a particular JTable column by specifying my own table cell renderer as below ( ... also has text. 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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855 views

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java - Exception : adding a window to a container. How to solve it?

I have a JDialog class named Preferences. This class creates a constructor like: class Preferences extends javax.swing. ... 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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632 views

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java - How to convert a date to UTC

I need to change de format of a date to UTC format. File file = new File(); ... file.lastModified(); I ... date of a file in UTC format. See Question&Answers more detail:os...

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

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694 views

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java - How do I prevent my CountDownTimer from running in background?

I am making an Android app that has a time limit to the amount of points you can get. But if you ... the CountDownTimer when the app pauses? See Question&Answers more detail:os...

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

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662 views

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java - Firebase rest API filter query

my data look like { "word0" : { "level" : "B2", "meaning" : [ "Meaning19", "meaning43" ], "type" : ... MongoDB ? and how could i get these data See Question&Answers more detail:os...

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

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539 views

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java - Loading external source code and using them internally (by re-compiling or something)

Is there a way in using externally stored sourcecode and loading it into a Java programm, so that it can be used ... you in advance, Andreas :) See Question&Answers more detail:os...

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

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678 views

1 answer

java - Binary XML file line : Error inflating class <unknown>

I am getting Error inflating class <unknown> error in Android 6.0 emulators when I am trying to add foreground ... this? Thanks for 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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656 views

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java date format with 6 digit micro/milli second

From the Postgres Database I am getting a 6 digit microsecond (its actually a ) e.g. 2014-11-10 04:05:06 ... to use any framework like joda etc. See Question&Answers more detail:os...

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

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635 views

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java - magic number of ConcurrentModificationException

I am testing ConcurrentModificationException of collections using code bellow: public static void main(String[] args) { ... , but others NG? See Question&Answers more detail:os...

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

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591 views

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java - How to get JTextField name in which is Document placed?

Is there something like event.getSource for DocumentListener too? Im trying to change color of just one JTextField in which ... . How to do 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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499 views

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java - Set a column width of JTable according to the text in a header

I need to get an appropriate table size according to a text in a header. It contains abbreviations of czech names of ... { return false; } } } See Question&Answers more detail:os...

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

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675 views

1 answer

java - How to locate a WebView in a JFXPanel in a JTabbedPane?

I am working about specific web page, and I want to relate together javafx.embed.swing.JFXPanel with its ... for any help or contribution! See Question&Answers more detail:os...

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

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589 views

1 answer

java - Spring boot - how to configure multiple datasources

I am trying to setup multiple data sources(MySql, Postgres & Oracle) using Spring boot. I am not ... situation would be appreciated.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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604 views

1 answer

java - Calling PL/SQL procedure with SYS_REFCURSOR as IN parameter using JDBC

I am trying to understand how I can call a PL/SQL procedure which takes a SYS_REFCURSOR as IN parameter. ... 1116) Database error code: 17004 See Question&Answers more detail:os...

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

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550 views

1 answer

java - GUI freezes when drawing Wave from animation on JPanel though i used Swing Timer

plese look at my code snippets , wha is wrong with it , it frrezes GUI when the Swing timer stats which ... me solution. Thank You Mihir Parekh See Question&Answers more detail:os...

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

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612 views

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java - Casting between Interfaces and Classes

Yesterday I just started learning interfaces and have been doing some simple examples, I noticed that I have had lots ... null; Not sure 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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746 views

1 answer

java - Read Excel file into R with XLConnect package from URL

There are lots of good examples out there on how to read Microsoft Excel files into R with the XLConnect ... would be greatly appreciated. See Question&Answers more detail:os...

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

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722 views

1 answer

java - Grails 2.0.4 Error opening zip file or JAR manifest missing Springloaded

I've just downloaded Grails 2.0.4 and extracted it to /opt/grails/grails-2.0.4/ and made sure that the ... Any idea what could be going wrong? See Question&Answers more detail:os...

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

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517 views

1 answer

java - Node.js and Websocket in Android Eclipse

Thanks for looking into my question. I am a beginner in android development and currently i am trying to make ... correct me. Much 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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