Recent questions tagged JAVA

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java - Convert UTF-8 Unicode string to ASCII Unicode escaped String

I need to convert unicode string to string which have non-ascii characters encoded in unicode. For example, ... to achieve desired 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 - How to display many to many jpa collection in jsf?

i made many to many join table between users and groups tables . so i have a collection in each entitie ( Users ... .get(0).groupname}" /> 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 - String intern() behaviour

From the javaDocs of String class's intern method : When the intern method is invoked, if the pool already contains ... == eight.intern()); 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 implement GWT editors for subclasses of a type?

Let's say I have an object hierarchy like this: Account > Site > Supply An Account is an actual company, ... shed will be gratefully received. 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 - Cannot import com.google.android.gms:play-services-ads:17.1.1

apply plugin: 'com.android.application' android { compileSdkVersion 28 defaultConfig { applicationId "com.kaiboon0216gmail. ... ? Thank you. 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 - EntityManager doesn't see changes made in other transactions

I'm writing some application for GlassFish 2.1.1 (JavaEE 5, JPA 1.0, as far as I know). I have ... there would be very appreciated. 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 - SwingWorker In multithreaded Jframes

I am creating 4 threads and each thread is associated with a UI. The UI performs a long running task, for ... Threads in Swing in that case? 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 pass or send data from recyclerview adapter to fragment

How to pass data from recyclerview adapter to fragment and what i have to write the code in fragment to ... this.mExampleList=exampleList; } } 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 - Trouble with reading file from assets folder in Android

This question is with regards to this one. Since it is a specific question I moved that question by ... "Unhandled exception type IOException". 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 generic and wild card

In java generic I understood what are the meanign of wild card, super and extends, but didn't get why does not ... error why ? } Thanks Arya 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 - Difference between constructor and getter and setter

I have been doing assignments for college projects. At one point, I am getting confused at what is actually the use of ... is: "+ model; } } 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 - Strange NetworkOnMainThreadException in Android app?

The idea is to start a chat. So I have this properties in my class: private MulticastSocket so; ... perfectly but here something happens. 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 - OpenCV Constants.CaptureProperty

Hi I use OpenCV Java and have some problem. I open video file and try get property like FPS. And ... function? Maybe some working example? 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 does output appear in wrong order?

I'm trying to write a Groovy script that wraps another command and am having trouble with the stdout/stderr ... Java libraries, not Groovy. 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 - Post values and upload Image to php server in android

I am trying to upload image from android phone to php server with additional values,the method is post my php ... value not found please help me See Question&Answers more detail:os...

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

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419 views

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java - Appium xpath escaping apostrophes

I have the code below in my appium script: public boolean isErrorDisplayedUnrecognisedLoginCredentials() { return appDriver. ... get round 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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308 views

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java - Lifecycle Testing with Robotium: Killing and Restarting Activity

How is it possible to restart an activity that was ended using Robotium's solo.goBack()? The following does not ... was ended by Solo.goBack()? 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 - Ternary operator casts integer

Please have a look into the below code int a =10; int b =20; System.out.println((a>b)?'a':65);//A System.out. ... 65 if I made "a" as a string? 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: getOutputStream() has already been called for this response

I know that there are many other posts dealing with the very same error, but all of them are either about ... where does this error come from? 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 - getResources() returns null

Using Eclipse IDE. The line: getClass().getResource("/res/bitmaps/image.png"); returns null. I have created the ... GameFrame.java:13) Any 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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390 views

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java - Giving an url, that redirected is a url with spaces, to Jsoup leads to an error. How resolve this?

Hello I have to parse pages wich URI is resolved by server redirect. Example: I have http://www.juventus.com ... parse with no problem? 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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142 views

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java - Spring + Angular Unable to upload same file twice

Unable to upload same file twice. If uploading different files its working Error under Network in chrome { timeStamp: ... am I making a mistake? 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 - error: no suitable constructor found for

I am new to java, and am trying to make a mod for Minecraft, but I can't figure out how I can ... string "Username" redirects to another class. See Question&Answers more detail:os...

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

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260 views

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java - Guava and Weblogic:ClassNotFoundException

I'm trying to work on a web application that deploys to Weblogic 10.3.5. One of the maven dependencies is Guava ... doesn't seem to be 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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java - how to make JTextPane paint anti-aliased font?

in the a swing app i'm rendering text with a custom JComponent, using Graphics.drawString(). here ... to sun.swing.SwingUtilities2$AATextInfo 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 - Cucumber Selenium using Excel File as Data Table

I am using Cucumber-Selenium and Excel as my Data file, my question is how can I run my feature file ... password3 |ID4 | username4 | password4 See Question&Answers more detail:os...

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

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180 views

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java - How to make draggable components with ImageIcon

I'm trying to build a user interface for a chess game. I've used a GridBagLayout filled with JLabels and the chess ... (); } }); } } 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 - getResourceAsStream returning null

I've seen many other people ask this question here and here, but it seems that I have done everything ... null. Am I missing something? See Question&Answers more detail:os...

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

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