Recent questions tagged Java

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java - spring app not finding property on object

I have an object calendar of type AppointmentCalendar. In a jsp called calendar.jsp, I call one of calendar's properties as ... ) at java.lang.Thread.run(Thread.java:662) Feb 6,...

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

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java - Difference between int[] array and int array[]

I have recently been thinking about the difference between the two ways of defining an array: int[] array int array[] Is there a difference? 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 - Odd results in Joda DateTime for 01.04.1893

My time zone is CET (Berlin). And while testing Joda's DateTime i noticed some strange things: new DateTime( ... into the minutes and seconds. 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 - Throw exception if Optional<> value is present

Suppose I have a Spring Data Repository method. Optional<Branch> findByName(@Nonnull final String name); My business ... . 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 - How to generate Checkstyle reports?

I have a checkstyle report as xml file and want to generate a html report which lists what kind of errors occurred ... there a tool to 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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java - How to display japanese characters in JTextArea

There is strange behaviour of JTextArea when displaying japanese characters - I get well-known blank rectangles instead ... I am using Windows 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:Execution failed for task ':app:transformClassesWithMultidexlistForDebug' android studio

I create a game on buildbox I export the project but I can't start the game on android studio My problem is that I ... support-v4-19.0.1.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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java - How to lock JavaFX fullscreen mode?

I am currently working on a volunteer sign-in application, and need to prevent any attempts to tamper with ... exiting using the program menu. 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 - "EXCEPTION_ACCESS_VIOLATION" thrown when reading a video from a file with xuggler

I am writing java code to take in a video file in mp4 format, apply an effect to it, and then save ... . Any help is extremely appreciated! 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 - Mac Keyboard Shortcuts with Nimbus LAF

Is there a way to use Nimbus LAF (Look And Feel) on OS X while still being able to use the Meta ... the keyboard shortcuts weren't overridden. 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 is a validationQuery with respect to databases and JNDI?

I seem to be having the same exact problem as the poster of this original SO question. The problem is, he ... lookup info? 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 - iText 7 borderless table (no border)

This code below does not work. Table table = new Table(2); table.setBorder(Border.NO_BORDER); I am new to ... borderless. Like how to do 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 - Why does class.getResource() keep returning null although there is a resource at the specified path?

I am wondering why the method getResource keeps returning null, I have the following setup: public static URL getResource ... I am doing 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 - NoClassDefFoundError on an interface, not a class

I have an issue with NoClassDefFoundError. I am using interfaces, and no class definition should be available: package ... What's the solution? 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 possible to ignore a wrapper class during JAXB marshalling

I'm trying to get JAXB to ignore a wrapper class during the Mashalling process, it makes sense to have ... help would be 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 - Spring boot CLIENT_PLUGIN_AUTH is required

I have my app working fine on local, but when I tried to connect to remote server I get this error: ... -class-name=com.mysql.jdbc.Driver 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 - Selenium WebDriver failed to create chrome process

So I have been trying to make a program that can interact with a webpage to input data. I ideally wanted to ... this is my first post). 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 - db2jcc4.jar Invalid parameter: Unknown column name

I previously asked the following question: DB2 query Unknown column name ERRORCODE=-4460, SQLSTATE=null We have since ... 2294) ... 64 more 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 a list of maven dependencies and the repositories they were fetched from

I'd like to, given a pom.xml file, expand the transitive dependencies, and for each direct and transitive ... which I actually care about. 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 you create a Certificate Signing Request using the KeyStore on Android?

I'm generating a SSL KeyPair in an Android app using the KeyStore API. I want to create a Certificate ... Android store the keys securely. 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 - Compare elements in an array for duplicates

I am trying to generate a 5 digit int array in Java and am having trouble on where to start. None of ... each other and replace any duplicates. 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 prevent Eclipse from cleaning the bin folder for every build?

I am now doing a project using Eclipse, and I have some resource files (e.g., image, text) saved in ... be prevented from happening. 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 - Return a value from asynchronous call to run method

I have a method that has to return a boolean value. The method has an asynchronous call to run method. In the ... a way to handle this scenario. 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 - Sandbox for memory

Java supposed not to have memory leaks but it's still possible. When my program has memory leak I can fix it (I ... . Is there way to do so? 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 - Log4j2 - Configure RolloverStrategy to delete old log files

I'm trying to configure log4j to keep only specified amount of backup files or keep files that are not older than ... kept? Thanks for 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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java - crudrepository findBy method signature for list of tuples

I have an Entity Class like this: @Entity @Table(name = "CUSTOMER") class Customer{ @Id @Column(name = " ... list of customers from given pairs 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 - Update City Spinner with notifyDataSetChanged after state is selected

How do I update my city spinner once the user selects a state? Both fields are populated using a DataCall.class ... 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 - Stopping default behavior of events in Swing

I have the following bit of code in a method called by clicking the send button, or pressing enter in the ... I stop the newline being added? See Question&Answers more detail:os...

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

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