Recent questions tagged Java

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java - unsupported JNI version 0xFFFFFFFF

has anyone encountered that error while using native dll from java code? Is it the version of the JNI library? ... , the others working fine. 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 - Caching of nested cacheable operation via SpringCache

I was given the task to make use of SpringCache for one of our services to reduce the number of DB lookups ... preferable in our concrete case. See Question&Answers more detail:os...

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

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540 views

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java - Disable Screenshot of my Swing Window

I have a Swing window that has sensitive information in it and I would like to prevent users from taking screenshots ... How can I achieve 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 - Sending data from swing to Servlet

How to send data (form data) from a Swing to the servlet. Is it as simple as specifying in action ... can retrieve values in the servlet? See Question&Answers more detail:os...

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

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413 views

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java - Any way to get a File object from a JAR

I have a JAR file that contains an API that uses external model files. I would like to include the model ... be something better, any thoughts? See Question&Answers more detail:os...

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

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421 views

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java - more efficient layout than Box

I've got some very old code which uses a Box to list some information. I create it like so: Box ... a more efficient alternative approach? See Question&Answers more detail:os...

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

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433 views

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java - How to create an AlertDialog with ListView, without using AlertDialog.Builder?

I have a subclass of AlertDialog that should display a list of all the available Wifi networks in range. I ... content view for the dialog? 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 - How to localize JavaFX FileChooser dialog?

Is there an option to localize JavaFX FileChooser dialog? In Swing JFileChooser localization was pretty simple ( ... functionality in JavaFX. 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 - TestNG - cannot run same test twice in a suite

I have a TestNG test suite that is working fine except for one thing: I cannot run the same test twice. The ... line calling it didn't exist. See Question&Answers more detail:os...

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

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453 views

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java - How to run downloaded App Router via Service Marketplace

I downloaded XS_JSCRIPT14_10-70001363 package from Service Marketplace. Please suggest me how to run this App Router ... handle from localhost. See Question&Answers more detail:os...

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

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450 views

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java - Strikethrough for entire row in jtable

I have a JTable that takes their value over a mysql data base. I made several customcolumn renderers in order the ... to mix up? 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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807 views

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java - Change Scene without resize window in JavaFX

I'm trying to change Scenes on JavaFX, but without change the window size. However, when I set stage.setScene( ... I want to keep maximized): See Question&Answers more detail:os...

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

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378 views

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java - Changing an object which is used as a Map key

Let V be a class with a single attribute named K and its getter and setters. What's supposed to happen if I ... as stated in the coment below. See Question&Answers more detail:os...

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

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566 views

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java - JUnit test for console input and output

I have only one method main. How to check System.out.println() and replace Scanner to input values automatically using ... out.println(num); } } 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 - How to call doPost() servlet from a hyperlink in jsp

How can I call a servlet from jsp? But in this case, I prefer to use doPost() method than doGet(). this ... Thank you very much for helping 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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501 views

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java - JFreeChart | How to add percentage to top of each bar and format domain axis (X axis) ticklabels?

I'm using JFreeChart and following is a screenshot of the developed chart by me and the related code. private ... Please help me out. 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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468 views

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java - unable to select dropdown option after updating jar files to selenium 3.0

I am using the following code after updating the new selenium 3.0 beta jar files. However in earlier version of ... getText(), "HWW Sales"); See Question&Answers more detail:os...

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

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417 views

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java - properties file in web app

First, there are a lot of solutions out there and I have already read a lot of them. But for some ... And I still get a nullPointerException See Question&Answers more detail:os...

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

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388 views

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java - WindowListener does not work as expected

I want my GUI to make some checks when a JOptionPane appears. Because I can't find any other way, I ... triggered when a JOptionPane is shown? See Question&Answers more detail:os...

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

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393 views

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java - How to check Google Mobile Services enable in device or not?

I have to check if google services are active on the device. How can I check it? Looking just play services ... this check for Huawei services. See Question&Answers more detail:os...

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

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414 views

1 answer

java - Drawing JTable rows and columns on a Panel

I am writing one application in which I have to draw JTable component on a canvas. But after my several attempts ... mouseClicked(MouseEvent e) { printDebugData(table); } }); }...

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

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504 views

1 answer

java - Pass data from servlet to jsp without forms?

So what I'm basically trying to do here is get a list of hotels in JSP , from the servlet , without any ... I send this data without forms ? See Question&Answers more detail:os...

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

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609 views

1 answer

java - Removing HTML entities while preserving line breaks with JSoup

I have been using JSoup to parse lyrics and it has been great until now, but have run into a problem. ... having to replace them manually? See Question&Answers more detail:os...

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

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547 views

1 answer

java - NewRatio parameter not working with CMS garbage collector

I switched to CMS collector for my application and throughput of application decreased by half. From GC logs, I see ... java version "1.6.0_14" See Question&Answers more detail:os...

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

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488 views

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java - JNI in C++ to read file to jbyteArray

I am writing a C++ program in UNIX to generate a shared library which will be called in java using JNI. ... collect2: ld returned 1 exit status See Question&Answers more detail:os...

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

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570 views

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java - JavaFX Append to right click menu for TextField

When you right click on a TextField there are Undo, Redo, Cut, Copy, Paste, Delete, and Select ... charName.contextMenuProperty().getValue() See Question&Answers more detail:os...

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

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419 views

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java - How to get the url of the client

I'm sending the request from Display.jsp to TrialShow.jsp page, but whenever I call ${pageContext.request. ... jsp in TrialShow JSP page? See Question&Answers more detail:os...

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

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879 views

1 answer

java - Finding valid neighbors in 2D array

So, I have a 4x4 2D array (it will always be these dimensions). Starting with a location on the array, ... location of the element. Any ideas? See Question&Answers more detail:os...

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

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