包含标签：Java 的文章
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Java – log4j 2 configuration monitoring and bit by bit comparison
A colleague pointed out the following fragments of log4j 2.3 Code: /** * Called to determine if the configuration ha…… -
Java – JPA with hibernate 5: create entitymanagerfactory programmatically
This problem is specifically about programmatically creating a JPA entitymanagerfactory supported by hibernate 5, whic…… -
Java – use the copy constructor instead of object The correct method for clone deep replication
I have some code to use object Clone performs deep replication, but I'm trying to override it with a more "acceptable"…… -
Java – recyclerview adapter method not called
I have this strange problem that my adapter does not call any methods The constructor works, it stops there if I have …… -
How do I get a proxy free connection in Java?
When establishing a connection with urlconnection, how to avoid passing through proxyselector, or how to ensure that t…… -
Java – why does hibernate generate inserts and updates for the onetomany map
I try to use a small example to understand the one - to - many mapping in hibernate My product has a set of part's. Th…… -
Java – why does matlab control interrupt the calling thread when the agent is created?
I let my matlab control thread interrupt and found that it was interrupted the first time it ran This is because there…… -
Java – storedprocedurecall 1x varchar output 1x cursor output
My question may be a little confusing I have a problem. I'm calling storedprocedurecall in Java, for example: StoredPr…… -
How to make the Chinese language environment display in Chinese as a special simplification or tradition
I'm using Java util. Locale generates a list of locales and prints out their local display language (that is, print ou…… -
JavaFX – change the black background bar when resizing the window
Everyone knows the problem If you quickly resize a JavaFX application, some areas will be painted black due to recalcu…… -
Java – use flyingsaucer to convert HTML pages containing Arabic characters to PDF
I want to convert HTML pages containing Arabic characters into PDF files using flyingsaucer, but the generated PDF doe…… -
Java – cameradevice failed to create session [Camera2]
I'm trying to stream camera data to surfaceview. Com using the Camera2 API I am following this guide: Camera2 guide I …… -
Multithreading – a memset in parallel with the threads bound to each physical core
In an OpenMP parallel code, would there be any benefit for memset to be run in parallel? Testing the code, I'm observi…… -
Java game Hitbox detection and fillet
I am studying a simple 2D game, including Java, swing and no framework I have a rectangular player where users can mov…… -
Java – Google play service error – the error report is hard to understand
I have released the alpha version of my app using Google play service By the way, I didn't enable Pro guard, so it's n…… -
Java – override method with different signatures
I have a superclass that uses this method: protected <E extends Enum<E>,T extends VO> void processarRelato…… -
Java – Maven replacement for Raven application plug-in (equivalent)
Are there any good Maven plug - ins for creating distributions zip？ So we gradle's application plugin? More precise: …… -
Attach javapoet / javawriter to an existing class
I've been experimenting with code generation in annotation processors Consider the following code and add a constructo…… -
Abstract callbacks in java reflection methods
I have a class in jar and I want to call a method However, this method has parameters of abstract class, which is the …… -
Java – XML binding generation file cannot be compiled
I am developing a project involving Java backend with Delphi front end I tried to generate a Java - based XML binding …… -
Syntax errors in Java
See English answers > compiler error when declaring a variable inside if condition and no curry braces if ( year % …… -
Java – find all possible enum combinations
Is there an effective way to find all possible combinations between multiple enumerations in Java? Consider the follow…… -
Java – access accelerometer from JNI
I'm trying to make an Android application. I need to access the accelerometer in JNI Java code: mSensorManager = (Sens…… -
Java – although the property is set, the canvas is not drawn correctly
I just made two drawings and tried to make one look the same as the other, but I had no luck For screenshots, the top …… -
java. net. Socketexception: invalid request: invalid mode
I have an application running on Google App Engine, which is the back end of Android applications It is basically a br…… -
Dynamic binding = = late binding in Java or not?
I have read about this topic from different sources For example, Wikipedia says: But then a few lines So what's the tr…… -
Java – find all IP addresses in the local network
I want to find all IP addresses of devices in the local network I am currently connected to using java code A useful u…… -
Java – what is the purpose of the original getter / setter in the field?
This is explained in the documentation of the public object get (object obj) method of the field class And for public …… -
Java – submit scores to Google play game leaderboard and display new rankings
I'm working on a game in which scores are submitted to the leaderboard in the activity, and new scores are displayed i…… -
Java – how to persist entities from non entity subclasses in Hibernate
I'm trying to extend an entity to a non entity to fill in the fields of the superclass The problem is that hibernate t…… -
How does the Java – runnable jar load external XML files at runtime?
(this seems to be a trivial problem, but it lasted for 2 days: () I have a runnable jar (created using the Maven assem…… -
Use enumerations to represent error messages – is this a good habit?
I want to combine my error messages and content into one file and make my code as readable as possible This is my exam……