Recent questions tagged JAVA

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java - How can I invoke a method every 5 seconds in android?

I'm working in an application which must send a GPS location every 5 seconds to the server when I choose ( ... Auto-generated catch block } } 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 change font size of JButton according to its size?

I have a java application - a calculator. I want to resize font of buttons dynamically with resizing the window of ... e) { } } } 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 - Split stream and put into list from text file

How can I put all the elements I read from a text file into an ArrayList < MonitoredData > using streams, where ... e) { e.printStackTrace(); } 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 - Override previous Console Output

is it possible to override the last System.out.println output, so i can for example visualize changes in a array ... not in 10 seperate lines? 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 - Hibernate throwing NullPointerException

I'm trying to test Hibernate 4.2.1.Final with JPA using IntelliJ 12.1.3 and I am getting the following ... > </properties> </persistence-unit> 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 - <s:select> with dynamic list name

I want to iterate over a list of strings containing names for <s:select> list source, but the HTML ... select> with different list source? 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 - Convert date with ordinal numbers (11th, 22nd, etc.)

How to convert a date having the following format September 22nd 2015, 10:39:42 am to 09/22/2015 10:39:42 in ... ex) { ex.printStackTrace(); } 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 - Unable to load intellij module when using mvn idea:idea

I am using: IntelliJ IDEA 11.1.3 (Community edition) and Maven 3.0.4. The project contains several modules, one ... I can do to fix 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 - Jackcess "NoClassDefFoundError" exception

I am using jackcess for the conncetivity to my access database. But I am following exception Exception in thread " ... How can solve my problem? 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 stop the items duplication in recyclerView android

Actually my problem is when I click the item it go to a DetailsFragment. But when I return back to my ... .show(); return view; } See Question&Answers more detail:os...

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

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166 views

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java - How to make an animation with Swing?

I am making a JApplet and got stuck with a animation problem. Here is my code : this.sprite.setBounds(0,0, ... to proceed ? Thanks for reading. 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 check for value equality?

I'm a Java-beginner, so please bear with this one. I have a class: class Point { public int x; public ... coordinate wise, in an elegant way? 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 Spark - how to set timezone to UTC? currently defaulted to Zulu

In Spark's WebUI (port 8080) and on the environment tab there is a setting of the below: user.timezone ... /www.timeanddate.com/time/zones/z 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 - TTF and OTF versions of Source Sans Pro are differently displayed in Swing (Nimbus L&F)

ttf: otf: both are the same font but different fontfile types I am running Java 7 in Windows 7 According to ... a difference in the lineheight? 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 - Firebase returning keys of child node in different orders on different devices/Android versions

I am getting a snapshot of the data from my Firebase database to retrieve a users list, but the order of the keys ... toString(); } } }); } 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 efficiently generate a set of unique random numbers with a predefined distribution?

I have a map of items with some probability distribution: Map<SingleObjectiveItem, Double> itemsDistribution; Given a ... 'set' of items. 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 define the stream Result annotation?

I need to export the Excel sheet, so calling action class method through Ajax call from dialog window. I have Excel ... ${filename}"] to result. See Question&Answers more detail:os...

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

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256 views

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java - Append text in JLabel

How would I go about achieving the effect of JTextArea with JLabel? I want the output to be displayed every ... add hyperlink to each line. See Question&Answers more detail:os...

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

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269 views

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java - Joda Time: How to get dates of weekdays on some date interval?

I have two LocalDates that represent some time interval. Now i have to get LocalDates of all fridays, that this ... Easiest way 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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java Apache POI Word existing table insert row with cell style and formatting

I'am a beginner in Apache POI and want to extend an existing table in the word template file with some rows. If ... } Thanks for your answer. R. 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 - Image flickers on repaint()

I figured out the solution for my previous question which landed me into new problem. In the following code im moving ... help me in that part? See Question&Answers more detail:os...

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

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515 views

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java - Intellij how to correctly configure hql with spring boot. Now i get Persistence QL Queries are error-checked

So i was trying to use a custom query using hibernate and jpa @Transactional public interface EstimateOptionsDao ... with these settings ? 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 this keyword

I have read that in Java you don't have to explicitly bind the this keyword to object, it is done by ... apply them to Javascript. 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 - Extract Generic types from extended Generic

I'm trying to refactor a class and set of subclasses where the M type does extend anything, even though we ... from the definition of M. See Question&Answers more detail:os...

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

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198 views

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java - URL parameters are not being passed by curl POST

This is my java code: @POST @Path("/sumPost") @Produces(MediaType.TEXT_PLAIN) public String sumPost(@QueryParam(value = " ... zero at the end :( 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 - Recursive Constructor Invocation

public class LecturerInfo extends StaffInfo { private float salary; public LecturerInfo() { this(); this.Name ... constructor with parameters? See Question&Answers more detail:os...

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

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206 views

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java - Getting multiple files from JFileChooser

In a GUI app that I am working on, I require to select multiple files but instead of directly opening it ... design one as per my requirements? See Question&Answers more detail:os...

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

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245 views

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java - JavaFX BarChart xAxis labels bad positioning

I have the following Controller for my window: package window; import javafx.event.ActionEvent; import javafx.fxml. ... the UI or something? See Question&Answers more detail:os...

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

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