Recent questions tagged JAVA

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I have the following code to pase a date DateFormat df = new SimpleDateFormat("EEE, dd MMM yyyy kk:mm:ss", Locale ... :47 CEST" What is 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 - Apache Nutch: FetcherJob throws NoSuchElementException deep in Gora

I'm running Apache Nutch 2.3.1 out of the box, which uses Gora 0.6.1. I've followed the instructions here ... . Please help me figure this out. 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: Wait() the main thread while a dialog gets input in a separate Thread

I'm writing an activity in Android where the user modifies an SQL Database. The UI consists of an EditText where ... ; inputDialog.show(); } } 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 implement the Luhn algorithm?

I am trying to create a program to validate 10 to 12 digit long number sequences based on the luhn algorithm, but my ... ("Invalid!"); } } } 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 Spring Batch Jobs in certain order (Spring Boot)?

I'm developing with Spring Batch using Spring Boot. I'm with the minimal configuration provided by Spring ... using a Map based JobRepository 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 a Mask to a SWT Text to only allow Decimals

What I want is that the user can only input decimal numbers on a Text, I don't want it to allow text input ... " before setting it to the Text? 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 - What makes the Enum class uninheritable?

I've been looking at the source code of the Enum class. It seems like a plain abstract class with ... despite having an accessible constructor? 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 -XX:PermSize=64m in maven-compiler-plugin?

I faild in setting the permsize or maxpermsize with the maven-compiler-plugin (v3.2). I tried it like this: ... add it to the MVN_OPTS variable? 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 - Aligning icon to the left in JTabbedPane in Nimbus Look and Feel

I was creating an application with JTabbedPane using Nimbus look and feel I have used this code to place tabs: ... to appear on the left and 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 transfer the Firebase reference to another android activity

We have 2 Android activities (activity A and activity B) Suppose that we instantiated a Firebase reference in ... that service Something else. 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 Photo-Sphere similar to Google Map Photo-Sphere (JavaFX 3D)

Is it possible to create a photosphere in JavaFX that is similar to photoshpere in Google map? If yes, how? 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 load libgdx desktop app on mac osx?

I have been developing a simple game using libgdx on my Windows 7 PC. Recently I bought a macbook pro (mountain ... } } Really stuck on 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 - convert at symbol ("@") to CharSequence

I am testing site with selenium and I need to send an e-mail to one of the fields. So ... .html#sendKeys%28java.lang.CharSequence...%29 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 - Use a .p12 File from classpath for GoogleCredential

I am making a java command line application packaged in a single JAR file that uses some of Google's API. I ... inside the JAR for a reason. 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 - Rules for Jersey to parse JSON/ Jackson Subtype deserialisation

I receive JSONs the way: @POST @Path("log") public Map<String, List<OperationResult>> log(Stats stats) { .. ... of Params1 and else of Params2? 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 assembly a project after using proguard-maven-plugin

I am trying to add an obfuscation step while packaging my app. I supposed that I had to insert the Proguard ... it. Thanks for your time. 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 - Gradle eclipse plugin : Could not find method jcenter() for arguments [] on repository container. See error log for details

I am trying to import my gradle project into eclipse and I get the error Could not find method jcenter() for ... line as well as on intelliJ. 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 - resizable layout swing when disappears JPanel

I have many jPanel (panelF) that are added in other jPanel(panelB). jPanelF contain jPanelC. I have set the layout ... "slow")? would be ideal. 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 set an Object as the Value for Map output in Hadoop MapReduce?

In the Hadoop MapReduce, for the intermediate Output (generated by the map()), i want the Value for the ... a newbie to MapReduce. 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 second table in database in sqlite?

I have database examguide and I already created one table table_subject and now I want to create second ... (ObjectiveAddActivity.java:155) See Question&Answers more detail:os...

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

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576 views

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java - Dynamic table in lwuit

How to create a Dynamic table in lwuit TableModel model = new DefaultTableModel( new String[]{"A", "B", "Call ... rows and columns .. Plz 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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555 views

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java - Regular expression for arithmetic expression

I,m trying to write a regex to check if the given string is like a + b, 2 + a + b, 3 + 6 * ... Waiting for your answers, thanks for reading 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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java - Getting data from object Id in Parse.com

I am facing some problem related to parse.com I want to fetch the data for a perticular objectId...I have ... this objectId.Thanks 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 - Convert json to Object List

I have the following String: String json = "[{"id": "0", "ip": "123", "mac": "456"}, {"id": "1", ... this: So how can I get the needed list? 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 - @Produces collection in JAXRS / RestEasy

I found some strange behaviour that I cannot understand. I have tested 4 similar examples: 1 @GET ... understand this inconsistent behaviour. See Question&Answers more detail:os...

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

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478 views

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java - Calling static method helper class in Struts2 JSP with Action data model value

I'm a Struts2 newbie. I'm using Struts2 with the typical datamodel UserItem inside an Action. The datamodel doesn't ... > string2<br>, etc... 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 pattern of Number Format of a specific locale?

I have a simple question: How to get the pattern used to format a number using NumberFormat created for a ... ,### for above mentioned locale. 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 Mockito mocks to cause a failure when unexpected calls are made?

I have some mock objects that are probably going to get passed around a bit and might end up being fairly ... How can I accomplish 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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