Recent questions tagged java

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java - Loading animated gif from JAR file into ImageIcon

I'm trying to create a ImageIcon from a animated gif stored in a jar file. ImageIcon imageIcon = new ImageIcon( ... e.printStackTrace(); } } } 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 set jframe look and feel

I am kind of confused on where to put this : try { UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName()); ... (); Thanks :D 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 - Beanshell in Ant yielding, "Unable to create javax script engine for beanshell"

Greeting, I'm trying to put some Beanshell script in my Ant build.xml file. I've followed the Ant ... would be greatly 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 - Android - How to Convert String to utf-8 in android

I can't convert a String to UTF-8 in android. please help me!! s1=URLEncoder.encode("臺北市" ... should be encoded as "%E8%87%BA%E5%8C%97%E5%B8%82" 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 mock another method in the same class which is being tested?

I am writing JUnit Test case for a class which has two methods methodA,methodB. I would like to mock the ... from methodA of the same 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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java - Tomcat Logging With Slf4j and Log4j

I've got a web-app deployed to a Tomcat 7 server. My application uses log4j and a file appender. However, ... to funnel log output. Any ideas? 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 call activity from a library module in android studio

I am trying to call an activity from a library module in my application. I keep getting the error android.content. ... I am using as library. 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 can I set a String[] parameter to a native query?

This is my PostgreSQL function: salvarArquivoGeometricoCasoZeroPOINT (dimensao text,tableName text,tuplas text[],srid ... from EclipseLink. 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 - Hadoop is not showing my job in the job tracker even though it is running

Problem: When I submit a job to my hadoop 2.2.0 cluster it doesn't show up in the job tracker but the ... </value> </property> </configuration> 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 - Bounded, auto-discarding, non-blocking, concurrent collection

I'm looking for a collection that: is a Deque/List - i.e. supports inserting elements at "the top" (newest ... s). Is there a better option? 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 - Check if process is running on windows/linux

i have a process Runtime rt = Runtime.getRuntime() ; Process p = rt.exec(filebase+port+"/hlds.exe +ip ... check on some particular process only 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 - Record audio on Android with MediaPlayer as source?

On Android, you can record audio from the microphone using the MediaRecorder class: MediaRecorder.setAudioSource( ... arbitrary audio source? 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-shooting CORS in Play Framework 2.4.x

I have a java play framework 2.4.x web app providing a JSON/HTTP API. When I run my front-end HTML/JS ... , don't have that software installed. 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 local variable initialize null and not initialize?

In Java, what is the difference and best way to do? Integer x = null; // x later assign some value. Integer y; // y later initialize and use it. 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 - ASCII non readable characters 28, 29 31

I am processing a file which I need to split based on the separator. The following code shows the ... really understand what this means. 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 - handler or timer android

i'm tryin' to display a msg every 1 min!! non stop! i found exemple that display the msg just one time ... LENGTH_SHORT).show(); } } 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 - Spring batch restrict single instance of job only

I have one spring batch job which can be kicked of by rest URL. I want to make sure only one job instance ... of the job running or not. 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 execute tasks in ExecutorService sequentially?

I have three threads that are joined, i.e. the second thread executes after the first dies. This is the ... instead of three thread objects? 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 convert JSON objects to POJO from Gson

I am trying to convert JSON objects to POJO's with GSON. JSON String [ { "automation_project": { "user_id": ... exception? Where am I 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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java - Is it Ok to Pass ResultSet?

In my situation, I am querying a database for a specific return (in this case registration information based on a ... it in a legal manner. 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 - File path names for Windows and Linux

Below is a path to my Windows directory. Normally the path should have instead of // but both seem to work. String ... (WinDir);` file.mkdir();` 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 - Trying to load icon from jar file

I am trying to load icons from a jar file. I have both tried to load it from classes within the jar file as ... all the images} --com.blah.blah 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 - getChildNodes giving unexpected result

My XML looks like this- <collected_objects> <object flag="complete" id="objId" version="1"> <variable_value ... process children of "objects". 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 - SoapUI fails to connect HTTPS (SSLPeerUnverifiedException)

I need to test web service that is being deployed to pre-release environment that is deployed on ... : peer not authenticated 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 - Are generics removed by the compiler at compile time

In this tutorial on reflection it states: [...] because generics are implemented via type erasure ... generic information during compilation. 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 - MigLayout JTextArea is not shrinking when used with linewrap=true

If I use a JTextArea with MigLayout like this: MigLayout thisLayout = new MigLayout("", "[][grow]", " ... appreciate any help. Thanks Marcel 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 " " a vertical whitespace, i.e., should "v" match it?

Logically, it is (but logic is irrelevant whenever character encodings or locales are in play). According to perl -e ' ... but I can't see it. 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 avoid cross dependency between layers because of @Constraint validatedBy?

In our project we have Service and DAO layers in separate Maven modules. Service module depends on DAO module and ... is some api for 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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