Recent questions tagged JAVA

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java - retrieving data from firebase android

I am studying in France and I have trouble finding French tutorials to solve my problem. I am therefore obliged ... ,Toast.LENGTH_SHORT).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 - Check X509 certificate revocation status in Spring-Security before authenticating

Is it possible to check the revocation status of a x509 client certificate through the CRL in spring-security ... 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 - MouseEvents and Icon / ImageIcon

Please is possible to listening for MouseEvents from Icon / ImageIcon (in API aren't implemented any notifiers), without ... ; } }); } } 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 - Association or Aggregation relationship for Facade design pattern?

I'm studying the GoF design patterns, in particular the Facade pattern. I understand its use and implementation, ... A" relationship. Any Idea? 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 use AOP to intercept a method call in super on an argument?

I'm extending a class and overriding a method. All I want to do is to call super, but with a modified ... What would be the optimal one? 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 - You need to sign in to your google account?

TL;DR: I am getting a common error with in app billing, even though I have the correct test accounts. Do I ... the opt in link? Thanks, Ruchir 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 - Inconvertible types Cannot cast

I am trying to implement maps and I am getting error of Inconvertible types; cannot cast android. ... android.gms.maps.SupportMapFragment' 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 - GSON equivalent for @JsonIgnoreProperties in Jackson

In Jackson you can ignore the properties by giving annotation @JsonIgnoreProperties at class level and the properties which ... are using GSON? 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 - Can't add a ModuleInfo object to ArrayList<? extends ModuleInfo>

I'm not sure if I am using generics correctly, but basically I created an Arraylist<? extends ModuleInfo> ... capture of ? extends ModuleInfo 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 - Eclipse Output Folders

With following structure, how can I make Eclipse build the WAR file correctly? I need following folders to go into ... /files/gwt-pro-stru.png See Question&Answers more detail:os...

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

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512 views

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java - I can not change the corner color of a ScrollPane in JavaFX

My css code for it looks like this yet it still doesn't work. scrollpane? .scroll-pane:corner > .viewport { ... to edit any other aspect of the 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 - where instance variables get initialized

public class Ex { int a; public Ex() { System.out.println("a is "+a); } } output is:a is 0 where ... don't mention any constructor in the 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 - Repaint leaves trail

I know that this isn't the first time that this question has been asked, but the responses haven't helped me much, so ... args) { new MAP(); } } 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 the dates of the current week in Android

I have these 5 buttons in my program: Monday, Tuesday, Wednesday, Thursday and Friday, which are on my menu screen. ... /11 How can I do 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 - Spring Data JPA - Named query ignoring null parameters

I have the following repository: @Repository public interface EntityRepository extends JpaRepository<Entity, Long> { List< ... 4-5 parameters. See Question&Answers more detail:os...

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

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417 views

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java - List of items with same values

I'm creating a list of items from a file BufferedReader reader = new BufferedReader( new InputStreamReader(new ... value for all items. See Question&Answers more detail:os...

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

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413 views

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java - JTable horizontal scrollbar based on width of one column

I am running into a problem that has been discussed on here before: getting a JScrollPane containing a JTable to ... I'm stumped. 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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595 views

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java - Parse JSON with unknown key?

i have a Json output like this : The numbers 2922 and 3910 are random numbers. How can i store all values that ... " in an array? Thank you. 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 - ORA-00903: invalid table name on PreparedStatement

I have a method that will execute a query with a list of QueryParameters for the prepared statement. The ... QueryParameters are: String - dual 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 - ForkJoinPool size increasing dynamically?

Related: CompletableFuture on ParallelStream gets batched and runs slower than sequential stream? I'm doing some ... s size keeps constants 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 jaxb to Ignore certain data during unmarshalling

I have a xml structure "Filter" that get unmarshalled into in a java class called "Filter". The XML state looks ... this? Thanks for any reply! See Question&Answers more detail:os...

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

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444 views

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java - Why .equals method is failing on two same value objects?

I have created a value object MarketVO and two instances of this value object have same elements and same value ... this for doing Unit Testing. See Question&Answers more detail:os...

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

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485 views

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java - Unable to cache images served by Spring MVC

I am trying to serve some assets using a Spring MVC controller. My assets are database managed and thus ... replicate this across all browsers. See Question&Answers more detail:os...

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

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753 views

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java - Jsoup is escaping content of iframe

I have this in source html that I want to parse <div> <iframe><script>alert('hello')</script></iframe> </div ... out.println(doc.body().html()); 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 - JPanel background image

This is my code, it indeed finds the image so that is not my concern, my concern is how to make that image be the ... " + imagen); } } catch... 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 shouldn't we use the (default)src package?

I recently started using Eclipse IDE and have read at a number of places that one shouldn't use the default( ... know the reason behind 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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368 views

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java - Struts2 'Required' field Validation Interceptors not working

Building a login application (In Netbeans 731) which basically ensures non blank values for username and pw. The ... not seem to be working. 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 handling, catch causes while loop to stop

I have a file that I need to read, print out the integers, catch exception and continue with the next integer to ... the next int and so on? See Question&Answers more detail:os...

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

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