Java
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Java – create a user in the keycloak through the keycloak management client and return the illegalargumentexception
I want to create a user through the keycloak management client, but I get: This is my keycloak bean: @Bean Keycloak ke…… -
Java – hibernate and Flyweight
Is there a way to use flyweight objects with sleep persistence mapping? My data model contains many of the same object…… -
Jackson object mapper converts Java maps into JSON maintenance keys
I use Jackson map. The objectmapper API converts a map into a JSON string I use the writevalueasstring method to achie…… -
Java – hibernate onetomany standard returns duplicates
I have an association mapped by: @Entity public class Parent { ... @Id @Column(name = "parent_id") private…… -
java – Xuggler Repository Link Broken
In my java application, I use xuggler for screen capture and other functions Now it's a maven project, so I use xuggle…… -
Java – how to avoid from URL Getfile() get URL encoding path?
I encountered the following problems while trying to get the path to the given resource: System.out.println("nf="+new …… -
How to obtain the actual type parameters of the general interface indirectly implemented?
I have a parameterized interface that can be implemented in many different ways At runtime, I need to find out what th…… -
Directional graph processing in Java
I look forward to implementing a Java application that will compute a set of tasks to perform Tasks will depend on eac…… -
Java – nullable types in the kotlin annotation processor
I'm developing an annotation processor for kotlin. Because the processed elements are written in Java, I didn't receiv…… -
Java – serialize a class variable that does not implement serialization
I have a class that implements serializable Class has another class object that does not implement serializability Wha…… -
Java – an idiomatic clojure used to copy resources from the run jar to the outside
This seems to be a classic question, but I can't find any "clojure way" about it So I have a foo / directory in resour…… -
Java – the call to super () must be the first statement in the constructor body
I'm writing a constructor for the loginrequest class, which extends a class called jsobobjectrequest (from the volley …… -
Multithreading – implementation of mixed threading model (M: n)
Three threads model is usually used in the implementation of thread scheduling completed by OS kernel One of them is t…… -
Java – byte Buddy: generate a class of loop type
I am trying to generate classes with cyclic class dependencies, similar to this problem: byte buddy – handling cyclic …… -
Java – how do you configure spring to perform overlapping fixedrate tasks?
I'm trying to execute tasks at a fixed rate using the @ scheduled annotation in Java spring However, by default, if th…… -
Java – Maven dependency of IBM WebSphere package
I'm trying to use IBM WebSphere 8.0 0.5 "classic" Java EE project is transformed into Maven multi module project, and …… -
Java spring MVC gets / publishes in the same JSP
This is my controller @RequestMapping(value = "/add",method = RequestMethod.GET) public String add(Model model) { …… -
Java – how do I handle injecting dependencies into the rich domain model?
How do you handle injecting dependencies into model objects in a web server project with a rich domain model (applicat…… -
Java – how to separate swing GUI from business logic without using spring, etc
Please note that this is a long post Sorry, but I want to clarify one thing: I want to know how to separate swing GUI …… -
Java finds the network interface of the default gateway
In Java, I want to find the Java. Net interface corresponding to the interface used net. The network interface arrives…… -
Java – cannot reserve heap space
I am using soap UI 5.0 0 open source I'm running soapUI testcases through ant to get JUnit reports build. XML file: &l…… -
Java – how to specify multiple options using Apache commons cli?
What I want: java programName -jobs1 -C 10 -W 20 java programName -job2 java programName -job3 Content: Option o1 =…… -
Java in Java lang.Void？
I am currently using it Net 2.0 and has an interface whose generic type is used to define the return type of a method …… -
Java – what is the fundamental difference between evacuation and compression in garbage collection?
I've read a lot of documentation about hotspot GC for Java se 6 and 7 When it comes to the strategy of obtaining the c…… -
Java: what is the difference between lsparser and documentbuilder
I'm at org w3c. dom. ls. No information was found on lsparser I know this is an interface, but there is only one way t…… -
Is java 9 abandoning the SHA1 certificate or something else?
[update] Oracle has just revised its encryption roadmap（ https://www.java.com/en/jre-jdk-cryptoroadmap.html ）, they …… -
Beginner’s questions about heap and garbage in clojure
I have a question about clojure: (defn getAllPrimes [lim] (defn getPrimes [primes numlist] (if (not-empty numli…… -
Java – why mystring equals(“aString”); Different from “astring” equals(myString);?
I have heard many times that Boolean equals (object o) is used to compare strings. It is best to put the constant on t…… -
Java – the difference between loadclass (string name) and loadclass (string name, Boolean resolve)
What is the difference between loadclass (string name) and loadclass (string name, Boolean resolve)? The only differen…… -
How to check whether the class file version 50.0 (Java 6) has been pre verified?
I used Proguard to "upgrade" some jar files from class file version 49.0 to 50.0 Because pre validation is optional fo…… -
Print arrays in Java
I'm writing a method to print every object it passes By calling object The toString () method works, but not for array…… -
Java – bug about getbounds () and setbounds () on Linux_ Solution with id = 4806603?
On Linux platform, frame:: getbounds and frame:: setbounds cannot work consistently This was in 2003 (!) Report, see h……