Recent questions tagged Java

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java - How to output text to a file in resource folder Maven

Here is the structure of my maven project: main and test folders are under src folder, java and ... (reader, CsvPreference.STANDARD_PREFERENCE); 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 servlet project and android library project in eclipse - NoClassDefFoundError

I have some projects in my workspace : AndroidMonitoring # an android application MonitoringModel # an android ... : MonitoringModel is here 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 - Jetty: Pass object from main method to servlet

I have two classes Server (with the main method, starting the server) and StartPageServlet with a Servlet. The most ... How do I do 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 - JAXB marshalling problem - probably namespace related

Given the intitial XML (BPEL) file: <?xml version="1.0" encoding="UTF-8"?> <process name="TestSVG2" xmlns=" ... the xml:xsd is missing)? 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 - Trying to add ActionListener to JButtons

I cannot figure out how to add Actionlisteners to the JButtons, any help would be much appreciated. public class ... -generated method stub } } 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 handle special chars in parameter values?

I've some issues with my Java Servlet if it's called with special chars (like ?, ? og ?) in the GET- ... the parameter values in a proper 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 - Android Parcelable - read/write data to Parcel using generic data type

How can i implement to write my Set < ArrayList < ? > > to my Parcel using generic data type ? ... () { return arrSetOfPaymentMode; } 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 - Android: Unable to detect vertical plane

I am trying to detect a vertical plane like wall to add image view on a vertical plane. But did not ... android application? 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 - Changing the shape of chart generated by apache poi for excel sheet

I have a java file generating an excel sheet containing a ton of data. For better user experience, we decided ... 't very detailed about 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 - How to reach the end of a scroll bar in appium?

I'm trying to automate scrolling of a horizontal bar,where the elements of the bar are dynamic and are getting ... to automate it in appium? 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 - Show multiple infoWindows on google maps api, android

I am a beginner trying to code a running app and have run into a problem. I am running a loop every ... time it 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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java - Swing - Changing the content of a panel using UpdateUI

I am going through a legacy application which is using Swing and i am struggling to figure out how the screens ... updated with a new screen? 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 - Transit data between JComponent and a model Object

I need to keep the data of a model class updated with UI components, and at same time UI components updated with ... setSilent(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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java - Why font is not being embedded to the PDF using content stream before in Itext7?

I am trying to add a watermark text with font Helvitica to a simple PDF using one of the examples provided in ... being embedded to the PDF.. 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 - Hanning (von Hann) window

public short[] HanningWindow(short[] signal_in ,int pos ,int size) { for (int i= pos; i < pos+size; i++ ... apply a Hanning window to a signal? 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 do you check to see if the 1st letter in a string is equal to something?

In my if statement, I'm trying to check if the first letter of a string is either Y or y, and then ... is equal to something. 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 - Is it possible to use Jzy3D in a Netbeans 7.0 application?

Alright, so we're trying to incorporate a 3D scatterplot into our project in Netbeans 7.0, and one of the ... submitted it to the Jzy3D authors. 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 - Android : how to ScaleY to based on other Object's Position?

this is android based question. Here I have 2 Objects : Springs, 1.Box (objectMass) I then tried to move ... /springs" /> </RelativeLayout> 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 - Could Not Find Class com.google.android.gms.maps.SupportMapFragment

So I'm working on an app that uses Google Maps v2 API to display a map overlay. I know this question ... be great! Pretty confused right now. 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 audio clips sequentially in JApplet

I'm trying to play audio clips sequentially, but they all play at the same time. I'm not sure what I am ... .printStackTrace(); } click2.play(); 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 - Showing DoubleProperty up to two decimal places in TableView

I'm having a problem showing a doubleProperty up until the second decimal. A rough layout looks like this ... directly with the DoubleProperty. 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 - InputMismatchException

I would like to ask why I am getting an InputMismathException? I have declared a variable of type double and when I assign ... : " + mean); } } 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 OpenJDK 14 in Jenkins

Is it possible to use OpenJDK-14 in Jenkins (Docker version)? I set the version in the Configurations by unpacking ... 25.242-b08, mixed mode) 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 not abstract and does not override abstract method actionPerforme

MainDemo is not abstract and does not override abstract method actionPerforme (ActionEvent) in ActionListener I don't know ... .getText()); } 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 - Spring mvc: HTTP Status 400 - Required MultipartFile parameter 'file' is not present

This is my controller: @RequestMapping(value = "/admin/users/photo", method = RequestMethod.POST) public ModelAndView ... How to fix that? 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 - Setting a timeout on my swing application

I have a Java swing application with several panel and transitions between them (button, inputs ...). What I want ... nicer way to do 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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java - Translating using Google Translate API

I want to use the following code as the basis for a program that translates user input to English. I am ... .out.println(translatedText); } } 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 sort a character by number of occurrences in a String using a Map?

I wrote code that counts frequency of every character in a given string and displays it: Map<Character, Integer> occurrences = ... 2, j=1, v=1. See Question&Answers more detail:os...

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

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