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I'm new at JavaFX and I was trying whenever I press the button, first, it shows some info on a label, then change the scene. Everything is OK actually, but I just couldn't find how to wait for a specific amount of time before the change scene.

I tried with Thread.sleep() like this: (its wait properly, but somehow it doesn't change the text of the label)

Update 2020-12-23

The origin description is a little bit confusing. Kotlin not just allows same signature with getter in sub-class but also in self class too. So this is also allowed:

This is the checkboxes in my HTML:

short version: I'm trying to invoke jpackage from a gradle task but the ToolProvider returns null (or better a failed Optional). This is the case on AdoptOpenJDK 14.0.0 (sdkman identifier 14.0.0.hs-adpt) as well as on Java.net (i think that's Oracle OpenJDK!?) 14.0.1 (sdkman identifier 14.0.1-open). I'm using Gradle 6.3 (but this doesn't feel like a gradle issue).

long version: I'm following this talk on jpackage, where at 12:12 the code to invoke jpackage from a build tool is displayed. (The official jpackage page also mentions: In addition to the command-line interface, jpackage is accessible via the ToolProvider API (java.util.spi.ToolProvider) under the name "jpackage".)

And still my (Kotlin) code (lying in buildSrc/src/main/kotlin)

As of IDEA 2018.2.1, the IDE starts error-highlighting packages "not in the module graph" from dependencies that have been modularized. I added a module-info.java file to my project and added the requisite requires statements, but I'm now having trouble accessing resource files in my src/main/resources directory.

(For a complete example, see this GitHub project.)

When I used ./gradlew run or ./gradlew installDist + the resulting wrapper script, I was able to read resource files, but when I ran my app from the IDE, I wasn't.

I filed an issue with JetBrains, and what I learned was that IDEA was using the module path, while Gradle, by default, was using the classpath. By adding the following block to my build.gradle, I was able to get Gradle to also … not be able to read any resource files.

I've encountered what appears to be an anomaly in how ListChangeListener handles batch removals (i.e. removeAll(Collection). If the items in the Collection are contiguous then the handling operation specified in the listener works fine. However, if the Collection are not contiguous then the operation specified in the listener halts once contiguity is broken.

This can best be explained by way of example. Assume the ObservableList consists of the following items:

• "red"
• "orange"
• "yellow"
• "green"
• "blue"

Assume also that there is a separate ObservableList that tracks the hashCode values for the colors, and that a ListChangeListener has been added that removes the hashCode from the second list whenever one or more of the items in the first list is removed. If the 'removal' Collection consists of "red", "orange" and "yellow" then the code in the listener removes the hashCodes for all three items from the second list as expected. However, if the 'removal' Collection consists of "red", "orange" and "green", then the code in the listener stops after removing the hashCode for "orange" and never reaches "green" like it should.

A short app that illustrates the problem is set out below. The listener code is in a method named buildListChangeListener() that returns a listener that is added to the 'Colors' list. To run the app it helps to know that:

• 'consecutive' in the ComboBox specifies three colors that are contiguous as explained above; clicking the 'Remove' button will cause them to be removed from the 'Colors' list and their hashCodes from the other list.
• 'broken' specifies three colors that are not contiguous, so that clicking the 'Remove' button removes only one of the colors
• clicking 'Refresh' restores both lists to their original state

Here's the code for the app:

I am working on a Java application where I am using a JavaFX stage with embedded Swing components in it. Step by step I will be changing these Swing components to JavaFX components, but at this moment, I need to compile and run the application under these conditions.

To do this, I've set the flag javafx.embed.singleThread to "true" to avoid the common error thrown when trying to use JavaFX and Swing in the same application. By doing this, when I run the application from the IDE (I am using IntelliJ) everything works fine, but when I generate the artifact to create the application JAR, running the application from the command prompt (I am using Windows) this is the error thrown:

I have been trying since yesterday to filter by item name and have been unable to get it to work. This is a sample array that I have been using. I am able to filter by the category but not by item to return just the items that match. Basically I have a computed property that that is binded to my serach input i am able to to get all items but once I input a character it does not filter it correctly.

My Markup:

I'm having trouble with getting the data from an XML file because the parent and child nodes has the same name.

XML CODE: file name restaurant_reviews.xml