Recent questions tagged java

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I need to add checkboxes to a JTree. A custom TreeCellRenderer/TreeCellEditor seems like the right approach. So far ... my own checkbox tree) 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 marshall multiple objects using JAXB?

I'm trying to marshall multiple objects e.g. Book added into BookLists via setBookslst(). I begin using this ... not available in my version. 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 - Debugging JNLP started application

I created a Java desktop-application (using Swing) and am now trying to make it work by starting it from ... with a normal desktop application? 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 - Create GWT CellTable Dynamically

I am stuck in a problem with GWT CellTable. I need to create celltable dynamically and I dont have entity ( ... Please help. Thankx, Regards, 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 - Password protecting my android app (the simple way)

I've built my first app, and I would like to password protect it. It's fine for me to store the password in ... mpbuttonclick.start(); }}}); }} 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 - Login Application with 1 stage and multiple scene in JavaFX

I am doing a timeline project. I have successfully created a login system and menus for everything, but when I ... for the arguments (Object)" 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 - Does thread.yield() lose the lock on object if called inside a synchronized method?

I understand that Thread.currentThread().yield() is a notification to thread scheduler that it may assign cpu cycle ... assign cup to thread2. 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 and passing parameters to factory-method in runtime

The documentation of method context.getBean(name, user) says Allows for specifying explicit constructor arguments / factory ... not, it fails. 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 - Fast reading of little endian integers from file

I need to read a binary file consisting of 4 byte integers (little endian) into a 2D array for my Android ... on how to speed this up? 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 - Language detection with data in PostgreSQL

I have a table in PostgreSQL where a column is a text. I need a library or tool that can identify the ... solutions in any language are welcome. 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 show hashmap values in jsf?

I have bean "MyBean", which has property HashMap - "map" which values type is MyClass. I want to show some ... am wrong? And how 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 - copy directory from assets to data folder

I would like to copy a quite big directory from the assets folder of my app to the data folder on the first ... is Android 4.2. Thanks, Yannik 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 - Guava ForwardingList usage example

I am looking for sample code which explains Guava ForwardingList class. Basically I am implementing a custom ... sub classing ForwardingList. 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 Boot setup security for testing

I'm unable to configure correctly the security in my tests. My web security configuration: ... @SpringApplicationConfiguration without success. 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 apache storm tuple

I just began with Apache Storm. I read the tutorial and had a look into examples My problem is that all example ... isn't a good idea) 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 - How to add new sheets to existing excel workbook using apache POI?

I am trying to write List data into multiple excel sheet in one work book. like for first list, the code will ... (); } Thanks, Priyank Shah 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 the current server URL of appengine app?

I'm trying to get the server URL of a currently running appengine java app from code. That is, if the app ... file or a constant. Thanks. Aleem 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 command Line arguments in spring boot?

@SpringBootApplication public class CommandLinetoolApplication { @Value("${person.name}") private String name; public static ... {person.name}" 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 - Sorting search result in Lucene based on a numeric field

I have some docs with two fields: text, count. I've used Lucene to index docs and now I want to search in ... order. How can I do 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 - Spring boot health check on existing webapp

I have existing Spring MVC web application. Now I just want to use the health check feature present in ... enable only the required feature? 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 - Netty - How to get server response in the client

I'm mostly there with Netty but one concept is still alluding me, and I can't find anything in the ... never saw any examples for 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 - StateListDrawable to switch colorfilters

I want to create custom buttons to use in a TabHost. I haven been trying to just use the same image ... so any help would be 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 - JavaFX 2.0+ WebView /WebEngine render web page to an image

I'm looking for a way to load up a page and save the rendering as an image just as you would do with CutyCapt ( ... /2011/05/maps-in-javafx-2-0/ 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 get a variable in another activity?

How do I access variable value in another activity. In my example I have a string variable item which ... class AgAppMenu extends Activity { 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 - Encode and Decode rfc2396 URLs

What is the best way to encode URL strings such that they are rfc2396 compliant and to decode a rfc2396 ... encode HTML form parameter data. 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 - AudioTrack in streaming mode MODE_STREAMING

I need to stream PCM data generated at runtime. So I have a thread with a loop public void run() { while(.. ... size up to 100k with no result 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 there a standard way to enable JSR 303 Bean Validation using annotated method arguments

I've been looking a around for a while now with no luck. I'n not using Spring MVC but still ... enable input validation for annotated beans? 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 - HTTP digest authentication with HttpUrlConnection

I am trying to connect to the Tomcat Web Server on my machine using a digest authentication. I am using ... . Thank you in advance! See Question&Answers more detail:os...

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

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