Recent questions tagged JAVA

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java - How to pass results from EDT back to a different thread?

I have the following use-case: I have code executing in Thread A (not EDT). Then I want to ask the user a ... Thread A. How do you do 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 - Bidirectional bindings of different properties

I just tried to bind a Integer and a String property. After some googling this should be possible with one of the ... .out.println(intProp); } } 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 - PreparedStatement setString(...) for all, even if corrsponding data type is an integer

I have come across the following codes i feel it is doing the wrong thing: (Note that this is JDK 1.4.2, ... and dates, would this be alright? 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 - 24 hour clock not working in dateformat android

i have made an application in which i need to perform date conversion in 24 hour format. Here is my code. ... problem? 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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java - Android licensing application not works?

I implemented Google License checker by reading the official instructions. import android.app.Activity; import android ... test account devices. 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 - Why do equivalent lambda expression and method reference behave differently when capturing static field value?

I'm a little bit confused about Java lambdas and method references behaviour. For ex., we have this code: import ... 't the same things? 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 - Loading data bigger than the memory size in h2o

I am experimenting with loading data bigger than the memory size in h2o. H2o blog mentions: A note on Bigger Data ... way to load the 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 - Eclipse exporting JAR in WAR

I have two projects in eclipse, a library project producing a Jar file and a web project dependant on that Jar. ... really cant find it. 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 deserialize generic List<T> with Jackson?

I've been using Jackson to serialize/deserialize objects for years and have always found it needlessly complicated to use ... <T>>(){} } 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 sun.misc.Unsafe become public in JDK9?

I just tried JDK9 and found out that sun.misc.Unsafe is now containing not a native method, but delegates them ... a public official API now? See Question&Answers more detail:os...

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

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445 views

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java - JFileChooser embedded in a JPanel

I am writing a java program that needs a file open dialog. The file open dialog isn't difficult, I'm hoping ... I add the JFileChooser to). 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 - C# HashCode Builder

I used to use the apache hashcode builder a lot Does this exist for C# See Question&Answers more detail:os...

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

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563 views

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java - Replacing double backslashes with single backslash

I have a string "\u003c", which belongs to UTF-8 charset. I am unable to decode it to unicode because of ... and content of the file is u003c 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 - Play Framework 2.5 JavaAsync throwing CompletionException

I'm using Play 2.5 to build a simple app. For better performance I'm using Akka chunked response with ... response. Please help with 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 - Integrating JSR-356 WebSocket @ServerEndpoint with Spring 3 beans

I'm using Spring 3.2.5 without full new JSR-356 WebSockets support. I would like to have singleton-bean ... server startup but user connects): See Question&Answers more detail:os...

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

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357 views

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java - JAXB: how to make JAXB NOT to unmarshal empty string to 0

I have a DTO class with a field such as: @XmlAttribute @NotNull private Integer number = null; I'm trying to ... make it to behave correctly ? 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 instantiate activity... Caused by ClassNotFoundException

After converting a perfectly working application to a library (including its Activity class!), I am trying to create ... to get this working. See Question&Answers more detail:os...

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

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242 views

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java - How to find button element with webdriver?

I have the following code for a button : <div class="buttons"> <button class="btn dialog-confirm btn-primary ... button Thank you for your help See Question&Answers more detail:os...

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

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483 views

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java - How to get element's value from XML using SAX parser in startElement?

Is it possible to get the content of an element from a XML file in startElement function that is the override ... : Sharma location : Pune 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 - Why isn't Eclipse updating the classes?

Since yesterday, Eclipse is not updating the .class files of my project. For example the filename.java is up to ... fine. Why is this happening? See Question&Answers more detail:os...

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

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221 views

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java - UTF Encoding for Chinese CharactersJava

I am receiving a String via an object from an axis webservice. Because I'm not getting the string I expected ... insights will be great, 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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401 views

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java - JAXB Fragmented Marshalling

I'm having some trouble successfully marshalling using the Marshaller.JAXB_FRAGMENT property. Here's a simple version ... attached to Workset? See Question&Answers more detail:os...

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

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307 views

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java - How to use MySQL prepared statement caching?

How do i take advantage of MySQL's ability to cache prepared statements? One reason to use prepared statements is ... connector-java-5.0.4.jar See Question&Answers more detail:os...

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

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264 views

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java - ID generator for the Objects created

I need a class which creates Objects assigning an ID to each Object created. This ID is as usual an int ... -designed manner to implement 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 - How to run js file in mongo using spring data

In mongo shell js file can be run using load command: load("path/to/file/file.js") How to do this using spring- ... " ); but it doesn't work. 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 - @Inject only working for POJOs created by CDI container?

I just want to confirm that I fully understood the prerequisites for CDI to work. If I have a class A: public ... I got beans.xml in place)? See Question&Answers more detail:os...

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

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326 views

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java - How to use JNLP to pass command line arguments to the application?

I have a JNLP package for my application. Now I have the need to pass command line arguments to my application. ... as part of JNLP file. 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 - Generalize guice's robot-legs example with Multibinding

I have this use case that is very similar to the robot-legs example of Guice, except I don't know how ... is an interface that extends Module. See Question&Answers more detail:os...

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

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