Java
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Java – thymeleaf email template and conversionservice
I have a spring MVC application. I try to render a date localdate as a string. It works for normal views, but it doesn…… -
Change the scene in JavaFX without resizing the window
I'm trying to change the scene on JavaFX without changing the window size But when I set stage setScene(scene2); As th…… -
Java – spring rest simulation context path
I tried to set the context path for spring rest mocks using the following code snippet: private mockmvc mockmvc; @Bef…… -
Java – what class What does the forname () method do for JDBC?
See the English answer > what is the purpose of 'class forName(“MY_JDBC_DRIVER”)’? 4 Class.forName("com.MysqL.jdbc.…… -
Definition of constant field in Bloch’s effective java version 2
quote: I'm not sure what that means; Can anyone give an example? Solution An example Josh is talking about is list, wh…… -
Java: how to remove quotation marks from the JSON key using regular expressions
I need to remove double quotes (objects with sub objects and arrays in the hierarchy) from the complex JSON structure …… -
Java – set Proguard to confuse only my application packages
I tried to use Proguard for obfuscation, but got a third-party library error, so I excluded each package one by one: -…… -
Java – regular expressions extract specific strings
1X79 "The X-Files" (1.01) 9/10/93 1/17/94* 11/ 6/94* 1X79 "The X-Files" (1.01) 9/10/93 1/17/…… -
Adjust the size of the window dynamically in the JavaFX window to adjust the window size.
I have a task. I want to create four circles with four triangles inside, which is similar to a fan. I create a clock. …… -
Java – recursively tests whether the character array is a palindrome
I tried to find a solution, but all the solutions I found were strings What I want to do is check whether the characte…… -
Java – sockettimeoutexception when building ant in eclipse
I had problems building some of my ant scripts using eclipse (some built normally, others didn't) Basically, I'm at ec…… -
Java 8 stream reduces arbitrary class types
Well, it's not a homework question, it's a question of "I got the Java 8 program and hope to finally pass the certific…… -
java – Thread. Yield () is still a cross platform minefield?
I can find the answers of old references and so, say thread The behavior of yield() varies from platform to platform T…… -
How do I add new functionality to pre-existing Java components?
To explain what I mean, I'll use the following code example Imagine you have this function private void fadeButton(JBu…… -
Java streams – how to use conditions on keys to translate all values in a collection map
I have a map Let's talk Map<Long,List<MyObj>> I want to create a long array in all myobjs, where the key (…… -
. Net – how to make an asynchronous servicecontroller WaitForStatus？
So servicecontroller Waitforstatus is a blocked call How can I complete the task / asynchronously? Solution ServiceCon…… -
Java – spring MVC and Hibernate cannot obtain the session of transaction synchronization for the current thread
I have a spring application that works with hibernate Hibernate session is not created Throw an error as shown below &…… -
Java – why is map conversion so narrow?
I know the difference between narrow transform and wide transform of RDD My question is which parameters can prove tha…… -
Java 8: are longadder and longaccumulator the first choice for atomiclong?
Longadder as a substitute for atomiclong ExecutorService executor = Executors.newFixedThreadPool(2); IntStream.ran…… -
Java – case insensitive string What is an alternative to the contains method?
See English answers > how to check if a string contains another string in a case insensitive manner in Java? 17 If …… -
How to get each number separately by numbers (floating point numbers) and using int Java
Is there a good way to search the first four numbers of a floating-point number and return each number separately with…… -
Java equivalent Delphi language features
See English answer > equivalent of c# anonymous methods in Java? 6 I see from the Java language specification that …… -
Java / spring application cannot start on cloudfoundry: outofmemoryerror compresses class space
After deploying the new version of Java / spring boot software to the Swisscom developer cloud running on the cloud fo…… -
JavaFX: how to create a scrollpane pan only on the middle key?
When panning is allowed, the scrollpane pane of JavaFX displays all mouse events: scrollPane.setPannable(true); How ca…… -
Java – Tomcat permission denied when trying to write to a file
I'd like to send a zip through the Tomcat server But when I try to visit http://localhost:8094/fetna -At project rest …… -
Java – unlimited when trying catch
I encountered a problem when I tried to execute a try catch statement in a loop I ask the user to input letters first …… -
Is it possible to resolve ambiguity through annotations in Java
See English answers > method overloading for null argument 7 void bla(Integer a); void bla(String a); Basically, wh…… -
Java – unit testing: calling @PostConstruct after defining simulation behavior
I have two classes: public MyService { @Autowired private MyDao myDao; private List<Items>…… -
Java – add a property file on the classpath
I am building a spring independent application based on spring boot I want this application to read its properties fro…… -
Java – a bufferedimage is grayed out
I tried to gray the buffered image (instead of converting it to gray, just add gray at the top) Now I do this by using…… -
java. Lang. illegalargumentexception: undefined filter parameter [P1]
I'm trying to execute hibernate filter This is my POJO course: @Entity @Table(name="flight") @FilterDef(name="f1",para…… -
Java – why do I use random run to get the same number?
I'm following a book and in this Code: Random rand = new Random(47); int i,j,k; j = rand.nextInt(100) + 1; ……