Java
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Java – JPA onetomany list cannot find mappedby attribute that should be inherited
We are currently making some requirements. We must add some similar entities (car pictures, pet pictures, holiday pict…… -
selenium – junit. framework. Assertionfailederror: test not found in register
I had a problem making this test case work Who can point me in the right direction? I know what I did wrong. I just do…… -
Strange array behavior in Java
This is a simple array declaration and initialization int arr[] = new int[10]; for(int i = 0; i<arr.length; i+…… -
Java – how long does the HTTP connection remain open when we use the asynccontext mentioned in the servlet3 specification?
How long does the HTTP connection remain open when we use the asynccontext mentioned in the servlet3 specification? fi…… -
java – Android . The AAR library interface parameter name is missing
I use Android studio (1.2.2) I built an Android module library, which declares an interface: public interface myInterf…… -
Java – SQL SELECT statement with where clause
How do I write this SQL statement without a hard coded value? resultSet = statement .executeQuery("select * from m…… -
Can I access Gmail mail through POP3 and oauth2 in Java applications?
I'm developing a Java application and I need to access Gmail mail So far, I can use OAuth mechanism to connect to Gmai…… -
Java – my shaderprogram doesn’t work
My main language is French. I will try my best I try to understand shaders, but I can't find out why my shaders don't …… -
Java – the order of bean initialization in spring
My spring configuration file has the following beans: @ h_ 419_ 7@ <bean id="myList" class="java.util.ArrayList">…… -
Is it a good habit to use Java 8 for Android development?
I read the instructions for Android development using java 8 from this answer and (orfjack / retroambda) I wonder if i…… -
Configure Java HBS to find the location of some templates
In short, Java HBS (jkack. Handlebars) is looking for some templates in a directory completely different from the pare…… -
Java – the entity manager does not answer until the Native Query call is completed
I used hibernate and Oracle SQL in the project When I call the createnativequery method of the entity manager, the ent…… -
Java Collections API Bug？
I stumbled upon collections An error in the Java collections API in Java The following is the code in the JDK source c…… -
How to write Fibonacci Java programs without using if
What is the code written in int Fibonacci (int n) instead of using "if" Java recursive Fibonacci sequence as they do h…… -
Restful web application in Java (Security)
We are developing two web applications I only access application a through my application B, and I don't want any othe…… -
Java – create route on camel using domain
I'm running an instance of Apache camel to proxy requests to another server (depending on the URI) The server camel is…… -
Java collection filtering
I have such things: public class Foo { public String id; } and Vector<Foo> foos; I need to get an object from …… -
Java-8 – disadvantages of the javac – parameters flag
I want to try some framework functions that require parameter names at run time, so I need to compile my application w…… -
Java – access modifiers and methods for superclass references [copy]
See English answers > understanding Java's protected modifier 6 package pet; public class Dog { protected void…… -
Java – error (?) in OS X with Jfilechooser UI
Like many others, I have encountered and seen this problem endlessly in this forum Unfortunately, I have never answere…… -
Java – when putting a new row into the MySQL table Created add what URI
I'm doing a restful service. I use post sometimes. I add a new row to the table Therefore, it seems a good idea to suc…… -
Java – get all keys by the value of a table column
I have a tabular data representation in Java In view of this table |----------------------------------------------| | …… -
Java – no message body writer found for multipart body, multipart / form data
I upload XML files by calling rest URL through CXF client: WebClient webClient = WebClient.create("some base uri") …… -
Java okhttp reuses keep alive connections
How to reuse HTTP keep alive connections through okhttp? My code example: public class MainWithOkHttp { static Ok…… -
Java – different methods for mapping spring requests to specific path variable values
@Controller @Controller @RequestMapping("/authors") public class AuthorController { @RequestMapping(value = "/{id}…… -
Java – which method works best when I traverse a list?
List<T> list = new ArrayList<T>(); List<T> list = new ArrayList<T>(); 1 method: for(int i = li…… -
Java – the class ref in the pre validation class resolves to an unexpected implementation
I am using Android studio and developing the xposed framework module Most of my users can use my application normally,…… -
Why can’t I programmatically close the dialog on JavaFX?
This code example shows but does not turn off JavaFX on JavaFX scene. control. Dialog： Dialog<Void> dialog = ne…… -
Java – debug in GWT 2.7 super development mode. Is stacktrace missing?
I just got from GWT 2.5 1 migrate to 2.7 and use superdev mode for the first time com.google.gwt.event.shared.Umbrella…… -
Java – disable spring security authentication in specific methods
I use spring security 4.0 on my application I have a registration page in my application and I want to exclude this pa…… -
Java – when my application is in portrait, use the camera in landscape
I have tried various ways to achieve the behavior I want, but there seems to be no work My application is locked in po…… -
Java – the compiler says the return statement is missing, but I already have 3
It's strange My compiler says I missed a return statement, but I already have three public int tortoiseMoves() { i……