Recent questions tagged java

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I want to add some tooltips to only a certain text inside a JTextPane. As an example, if there is a ... way I can achieve this functionality? 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 - LibGDX - Mapping Individual Textures to each face of a box using Modelbuilder.createBox

I have the following code snippet that generates a 3D cube: ModelBuilder modelBuilder = new ModelBuilder(); box = ... a bit stuck here atm. 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 - Unit test using the Reflections google library fails only when executed by Maven

I am using the Google Reflections library for querying certain resources in the classpath. Those resources are located ... test run by Maven ? 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 make a screen wake up when a notification is received?

For my app I'm trying to get it where the notification wakes up the screen and displays a view from the app. ... to work or they crash the app. 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 all the integer value to string in JSON

My JSON string is: {name:"MyNode", width:200, height:100} I want to change it to: {name:"MyNode", ... I need all integer values become strings 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 - Comparing field values using reflection

I am trying to compare the field values of two different objects in a generic way. I have a function (seen ... maybe there is another 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 Camel conditional routing

I have a service which has two operations. RegisterUser UpdateUser I have a camel rout: <camel:route id="myRoute ... where might be the 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 - Unloading a JVMTI agent at runtime?

I'm using the attach API to load a JVMTI agent at runtime. I'd like to unload the JVMTI agent when my ... API or from within the JVMTI agent? 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 use FXMLLoader.load() - JavaFX 2

I am building a JavaFX application using the JavaFX Scene Builder. The interface was created in the Scene Builder ... </children> </AnchorPane> 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 session thread safety

I know that sessions are not thread safe. My first question: is it safe to pass an entity to ... specifically configured for eager loading See Question&Answers more detail:os...

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

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510 views

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java - How to add support for resizing when using an undecorated JFrame?

I would like to customize my titlebar, minimize-, maximize- and the close-button. So I used setUndecorated(true) ... new UndecoratedFrame(); } } 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 export an Eclipse Project with External Jar dependencies?

In Processing, I'd like to import a library I've written in Java which wraps around an external library (a ... is in a separate package folder. 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 - Can static method access non-static instance variable?

So my understanding was that you can't use static method to access non-static variables, but I came across ... what I'm not understanding? 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 get Desktop class supported under Linux?

I am writing a java application and I want to open a link from my program in user's default internet ... that Desktop supported in java? 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 main domain name from a given url

I used the following to extract the domain from a url: (They are test cases) String regex = "^(ww[a-zA-Z0 ... .com. What am I doing wrong? See Question&Answers more detail:os...

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

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270 views

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java - Swing verify code on Event Dispatch Thread at runtime

Are there any libraries that instrument code to verify that methods called on Swing components are called on the Event ... , not for unit tests. See Question&Answers more detail:os...

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

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377 views

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java - Differences between components and lightweight/heavyweight

What is the difference between JPanel and JFrame and relationship to lightweight, heavyweight? 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 does the method infer the type of <T>

The below method works flawlessly public <T> void fromJsonArray(String jsonString,Type tToken) { Gson g = new ... declared in method test() 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 access TypeUse annotation via AnnotationProcessor

Question: Is it possible to access elements annotated with a @Target(ElementType.TYPE_USE) annotation via an annotation ... ignore the element. 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 get country code(calling code) in android?

How can I get Country code of my sim in android code. I have used TelephonyManager tm = (TelephonyManager)getSystemService ... ind,+880 for bd. 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 I find the closest possible sum of an Array's elements to a particular value?

In Java, how should I find the closest (or equal) possible sum of an Array's elements to a particular ... array contains only positive numbers. 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 both annotations and hbm.xml files in the same project in Hibernate?

Does one necessarily have to make a strict choice between using annotations and hibernate configuration files, or is it ... at the same 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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398 views

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java - How do you set the tab size in a JEditorPane?

A JTextArea's tab size can easily be set using setTabSize(int). Is there a similar way to do it with a JEditorPane ... if (stuff){ more stuff; } See Question&Answers more detail:os...

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

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243 views

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java - Enforce constraints on @Value annotated field in Spring Boot application

I have the following field annotated with @Value, specifying a default value: @Value("${tolerance.percentage:25}") ... that @Value is aware of? 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 library 'tesseract': libtesseract.so: cannot open shared object file: No such file or directory

I've had tesseract and Tess4J running on my MBP for a while now. Today I started to migrate my app to ... .so does exist?enter code 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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406 views

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java - How can child threads still execute even after that their parent thread die or terminate?

Here are my two classes: public class Firstclass { public static void main(String args[]) throws InterruptedException ... also die or terminate. See Question&Answers more detail:os...

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

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683 views

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java - How to upload binary file using URLConnection

In order to upload a binary file to an URL, I have been advised to use this guide. However, the file is ... the same answer as the other 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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268 views

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java - Using iterator on a TreeSet

SITUATION: I have a TreeSet of custom Objects and I have also used a custom Comparator. I have created an ... before the current element). See Question&Answers more detail:os...

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

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