Recent questions tagged java

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I am trying add a ResourceBundle for my language for the JavaFx controls but am failing to do so. I tried to ... anywhere on how to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Generate an HTML page, and open in a new window, from a Vaadin 8 app

From my Vaadin 8 web app, I want the user to be able to open a report in another window, by clicking a ... such as a database identifier value. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JBoss Encoding utf 8

I had problems with my list grids not showing diacritics correctly and I found out that when I inserted from java ... with no success. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Loading jars at runtime

I am trying to add jar file to classpath at runtime. I use this code public static void addURL(URL u) throws ... What is wrong with this code? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Brainstorming: Weird JPA problem, possibly classpath or jar versioning problem?

I'm seeing a weird error message and am looking for some ideas as to what the problem could be. I'm sort ... , or any ideas for correcting it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to use a custom function in a jpa query?

I am new to Spring Jpa and Hibernate. I am trying to fetch data using a custom function from an Oracle db ... ' {name=ut_seq, expectedType=null} See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to inject EntityManager in EntityListeners

I need to inject EntityManager in EntityListener class so that I can perform CRUD operation on it. POJO: @Entity ... operation on it ??? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - PrintWriter writes only partial text

For some reason my String is written partially by PrintWriter. As a result I am getting partial text in my file. Here ... job... I am clueless.. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Calculate Earth convex hull polygon area given latitude and longitude

I have searched for explanations and algorhitms how to calculate Earth's polygon surface area. I've ... documentation about area calculation. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Using Spring property placeholders with Jersey @Path and @ApplicationPath

I use Jersey and Spring in my project. 'jersey-spring3' is used for integration between them. I would like to make ... don't have this choice.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to perform multiple operations with JSch

I am new to SSH and JSch. When I connect from my client to the server I want to do two tasks: Upload a file ( ... As I said, I'm new to this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to debug .class files in ECLIPSE?

I am using Eclipse 3.5 and I attached the src.zip to my global settings in Eclipse. Windows--> Preferences - ... this issue. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - File Upload using HTTPHandler

I am trying to upload file (multi part form data) using HTTPHandler. WebKit Boundary is getting ... -----WebKitFormBoundaryKBRUiUWrIpW9wq2j-- See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Convert short[] into a grayscale image

I am writing a Buddhabrot fractal generator using aparapi. I got the OpenCL part of it to work, resulting in a single ... What do I need to do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Can't set ProblemHandler to ObjectMapper in Spring Boot

I tried to add custom problem handler to object mapper with Jackson2ObjectMapperBuilderCustomizer: @Bean public ... doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Could not handle mustUnderstand headers: {http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd}Security. Returning fault

I went through links like: SOAPFaultException "MustUnderstand headers (oasis-200401-wss-wssecurity-secext-1.0.xsd) are ... 02-18T12:15:52.271Z See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Embedding HSSF(excel) into HSLF(ppt) using apache poi

I want to embed the excel sheet into presentation(PPT) using apache poi. how can we do this? If anyones knows, please help me. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - how to call inner class's method from static main() method

Trying to create 1 interface and 2 concrete classes inside a Parent class. This will qualify the enclosing classes to be ... A a = new C(); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - ForkJoinPool seems to waste a thread

I'm comparing two variations on a test program. Both are operating with a 4-thread ForkJoinPool on a machine with ... 1.6's boot class path. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Stomp over socket using sockjs can't connect with Spring 4 WebSocket

Trying to use Spring 4 WebSocket with STOMP over socket using sockjs. And i faced a problem. My configuration ... tested tomcat7 and tomcat8. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Are HTTP and HTTPS default port numbers defined in the JDK?

I've hunted around a bit trying to see if port 80 and port 443 are defined as public constants anywhere. ... library such as Apache HttpClient)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Adding elements to a JList

I have an array of objects that contain the name of customers, like this: Customers[] How I can add those ... of the customer in a String. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java console charset translation

Console input (win), how is the charset convertion working? Code below, non-ascii chars output garbage - ... regarding console prompt input? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - listen to clipboard changes, check ownership?

I want to be notified if a string is copied to the system clipboard. When a new string is copied from the ... you understand my bad english :-( See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Jackson - Json to POJO With Multiple Entries

I know If the file User.json has { "name" : { "first" : "Joe", "last" : "Sixpack" }, "gender" : "MALE ... false, "userImage" : "DFREWEWE==" } ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Can we implement method overloading in web service class?

I would like to implement method overloading in the Java web service class as follows: public String myMethod(User ... generate the WSDL file. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Error on running multiple Workflow in OOZIE-4.1.0

I installed oozie 4.1.0 on a Linux machine by following the steps at http://gauravkohli.com/2014/08/26/apache ... the favor as soon as possible. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Should enum objects be stateless?

As by design an enum constant in java is a singleton, and for sake of concurrent usage I normally create ... concurrency issues) a bad design? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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