Recent questions tagged Java

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java - Collect a list of ids based on multiple fields

I have a person object with personId, age and gender. public class Person { private int personId; private int age; ... TempObject(20,0,[8]); 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 print a jtable with a image in the header?

i want to print something like this IMAGE TITLE JTABLE i know to print a jtable with the title in a messageFormat ... image The image is a logo 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 - Doubts in the code of Thread Pool implementation

After spending lots of time with threadpool concepts and by reading different codes on numbers of blogs and posting ... for your kind response. 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 - JavaFX: Just Declaring Nodes changes Background of other Nodes

I have a program that first starts up a little splash screen, and after 5 seconds it continues to a new ... this. Any help is 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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java - Efficient way redis set member update

I have a redis set. This set can store 20 members maximum(added withSADD command). My problem is ; I need to ... both node.js and java clients. 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 compile any Android project due to Gradle fail: Could not find javax.xml.datatype.DatatypeFactory

This is really bugging me, I've installed and reinstalled JDK, ADK, Android Studio, and Gradle several times and in ... java:641) ... 27 more 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 - Access generic type parameter at runtime?

Event dispatcher interface public interface EventDispatcher { <T> EventListener<T> addEventListener(EventListener<T> l) ... to this information? 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 - Espresso RecyclerView inside ViewPager

I am new to Android Espresso library. Trying to test click on RecyclerView item inside the ViewPager. I've ... using Espresso to perform click? 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 create a slide panel

I try to change a layout of the panel, but there are problems, because when I change layout the ... ; private LayoutManager layoutManager2; } 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 parse dynamic json in android with retrofit 2 using annotations

I have a JSON structure which I want to parse using retrofit 2 (@Expose). Below I have mentioned the JSON. ... JSON structure with all 5 types. 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 mock RestTemplate with MockRestServiceServer?

@RunWith(MockitoJUnitRunner.class) public class FeatureFlipperManagerTest { @Autowired RestTemplate restTemplate = new RestTemplate(); ... ; } } 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 - Notification Android : Don't show notification when app is open?

I'm working on a project and I use Intent Service with wakefulBroadcastReceiver to schedule alarm and send notification ... for this 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 - Optimize this ArrayList join method

I have written this code to join ArrayList elements: Can it be optimized more? Or is there a better different way ... } return buf.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 rotate JXImagePanel?

I would to rotate JXImagePanel. It should be possible - this is about JXImagePanel: Swing :: JXImagePanel While JLabel ... How it can be done? 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 - The correct way to handle Process streams

Can anyone clarify me if the below procedure is correct way to handle streams of process without any stream buffer ... result.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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573 views

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java - How to pass multiple files as a input to an api using Rest Assured

In this method below I was making an API call to a locally running API that accepts only one file as a request, ... ); return resp.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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619 views

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java - Apache PDFBox: Can I set font other than those present in PDType1Font

I can see only 4 fonts with variants in PDType1Font. Is there any way I can use other / custom fonts? ... = new PDType1Font("ZapfDingbats"); 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 - Timezone conversion and date formatting in jasper reports?

I am working with a Jasper report where I want to show selected date range along with time. I have used ... timezone to show correct time? See Question&Answers more detail:os...

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

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716 views

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java - JSF tag that load HTML from external source

Is there any JSF tag that we can use it in our page to load an external HTML source and put it into the ... and send the result to the client. 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 - Share model with nested controller

I'm trying to build a simple GUI with JavaFX using SceneBuilder, where I'm using a MenuItem (in Main.fxml) to ... but I just don't get 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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521 views

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java - JButton.actionPerformed: null pointer exception

I'm working through a book, and the following code throws a NPE at runtime when the JButton is clicked, at the line ... clicked, argh!"); } } 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

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java - JTabbedPane JLabel, JTextField

Right, I have a JTabbedPane that has a JPanel that contains a JLabel and a JTextField. my code JTabbed Pane declaration ... is ? 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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429 views

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java - Lazy mapping with hibernate tools?

I have two tables A and B in my database. I the table B I have a reference to the table A by an Integer idA. ... ; } How can I do this? 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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530 views

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java - Catch "dead" session in Spring webflow

I want to catch the exception thrown when I loose my session, not only because a session ... .springframework.web.HttpSessionRequiredException. 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 UI authentication with google fails with message (code:10 message:10)

I've made a chat app that uses Firebase's feature Real-time database. I face a problem with google ... followed step by step this tutorial See Question&Answers more detail:os...

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

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460 views

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java - Return rows from a PL/pgSQL function

I have a procedure in PostgreSQL: CREATE OR REPLACE FUNCTION get_geom_difference() RETURNS void AS $$ BEGIN SELECT ... is: proc.execute(); 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 - Issue using Stanford CoreNLP parsing models

I cannot find the Stanford parsing models for German and French: there is no "germanPCFG.ser.gz" or " ... a Non-English parse model? 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 - Problem with timezone in Json response from Spring

I have a problem with displaying dates in JSON output. In code I use java.util.Date and its value is 2019 ... date always in the local timezone? See Question&Answers more detail:os...

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

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