Recent questions tagged Java

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I want to add a button (JButton) at the bottom of a JDialog which should close the JDialog when pressed. The ... Pretty weird that it is 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 - Transfer raw binary with apache commons-net FTPClient?

UPDATE: Solved I was calling FTPClient.setFileType() before I logged in, causing the FTP server to use the default ... Socket CRC32: 2739864033 14:00:09,270 DEBUG [main,MyFTPClie...

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

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java - Execution of JMS message listener failed, and no ErrorHandler has been set

When I use Spring to listen to JMS messages, I receievd the above error. I am wondering how to add an Errorhandler into the JMS listener? 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 - Required maven dependencies for Apache POI to work

I want to use Apache POI library to parse excel files (old versions and newer versions of excel). So I ... work with Microsoft's Office 2010? 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 3.3.0 update, ERROR: Cause: invalid type code: 68

After the new update of Android Studio (3.3.0) I'm getting error from Gradle sync saying "ERROR: Cause ... ) { delete rootProject.buildDir } 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 - The parameter 'foo' should not be assigned -- what's the harm?

Compare this method: void doStuff(String val) { if (val == null) { val = DEFAULT_VALUE; } // lots of ... named val in the enclosing 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 - how to create an InputStream from a Document or Node

How can I create an InputStream object from a XML Document or Node object to be used in xstream? I need to ... (MyObject) xstream.fromXML(is); 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 - Require override of method to call super

I want that when a child class overrides a method in a parent class, the super.method() is called in ... a runtime exception when this 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 - Invalid char between encapsulated token and delimiter in Apache Commons CSV library

I am getting the following error while parsing the CSV file using the Apache Commons CSV library. Exception in ... meaning of this error ? 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 - Execute Cucumber step before/after a specific feature

I want to specify certain setup and tear down steps for each specific feature file. I've seen hooks that ... feature. Is this possible? See Question&Answers more detail:os...

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

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258 views

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java - Page<> vs Slice<> when to use which?

I've read in Spring Jpa Data documentation about two different types of objects when you 'page' your dynamic ... good source of information? See Question&Answers more detail:os...

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

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542 views

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java - Cannot Resolve ContextCompat in Android

I have an AlertDialogue object called dialog. I am attempting to add an icon to it. I see that this ... com/watch?v=eFiaO0srQro&feature=youtu.be 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 - Admob No fill from ad server - failed to load ad: 3

My issue is that ads are not being displayed at all in my app, test mode or not. I am going to keep this ... (interstitialAdRequest); } }); } } See Question&Answers more detail:os...

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

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557 views

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java - Mockito mock calling real method implementation when attempting to stub package protected method

I'm trying to stub a method using Mockito 1.8.5, but doing so calls the real method implementation (with "" ... and how can I prevent 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 do I retrieve HTTP status code and response body when an RestClientException is thrown?

The methods of RestTemplate such as postForEntity() throw RestClientException. I would like to extract the HTTP status code ... 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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403 views

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java - How to check if an IP address is the local host on a multi-homed system?

For a machine with multiple NIC cards, is there a convenient method in Java that tells whether a given IP address is ... ("192.168.220.25"); See Question&Answers more detail:os...

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

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223 views

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java - Program type already present: android.support.v13.view.DragAndDropPermissionsCompat

I updated Android studio to 3.1 and this error appears after update: ... .jar, D:ISLaMiCSoBhYSho8lamiraaaaappuildintermediatesransformsdexBuilderdebug6.jar, D:ISLaMiCSoBhYSho8l...

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

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472 views

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java - Can Eclipse the Organize Import (ctrl+shift+o) command's handling of static imports be modified?

I use the Eclipse keyboard shortcut Ctrl + Shift + O all the time (Organize Imports). However, it has ... this behavior from Organize Imports? 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 - conditionally execute maven plugins

I have some Maven plugins configured in my pom.xml. I only want to execute these plugins if the tests are ... the pre-integration-test phase. See Question&Answers more detail:os...

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

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294 views

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java - how to add the servlet api to my pom.xml

How do I add the servlets API to my project's pom.xml mvnrepository.com has lots of servlet api and similarly named ... Or are all of them ok? See Question&Answers more detail:os...

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

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229 views

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java - Where I can find @Inject jar

I'm following the MVC unit test instructions from this site, but I cannot find the jar for the @Inject annotation. ... know where the jar is? 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 - Unable to clean project in Android Studio

OS version: Ubuntu 14.04 LTE 64 Bit Java JRE/JDK version: Oracle JDK 1.8.0_11 Project directory is on a ... with my studio. Any Suggestions?? See Question&Answers more detail:os...

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

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269 views

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java - Difference between replace and put for HashMap

I want to make a histogram by using a HashMap, the key should be the delay, the value the amount of times ... use two times the put function? 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 - Hibernate @ManyToOne references an unknown entity

I am receiving the following Hibernate Exception: @OneToOne or @ManyToOne on Matchup.awayTeam references an unknown ... exception is occurring? 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 - Remove all objects in an arraylist that exist in another arraylist

I'm trying to read in from two files and store them in two separate arraylists. The files consist of words which ... or could it be done better? See Question&Answers more detail:os...

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

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286 views

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java - Getting default value for primitive types

I have a Java primitive type at hand: Class<?> c = int.class; // or long.class, or boolean. ... , and not a default instance. See Question&Answers more detail:os...

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

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1.6k views

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java - Cannot be cast to class because they are in unnamed module of loader 'app'

I'm trying to create a bean from sources that were generated by wsdl2java. Every time I try to run ... com/ciscoo/soap-consumption-spring-boot See Question&Answers more detail:os...

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

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348 views

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java - Add one day into Joda-Time DateTime

I have date Wed May 08 00:00:00 GMT+06:30 2013. I add one day into it by using Joda-Time DateTime like ... . I haven't found any error. 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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