Java
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Java – did this happen before the program command rules worked in the constructor?
Can you really view partially constructed objects in the thread created in the constructor because of the lack of sync…… -
Java – why doesn’t this code throw a NullPointerException?
background I want to know why a piece of code does not throw NullPointerException source code Consider the following c…… -
What is the equivalent of setresizeweight() on splitpane in JavaFX?
In swing, we can use setresizeweight () on jsplitpane to determine which part of splitpane gets free space Is there an…… -
Java – dynamic language switching in eclipse RCP applications
I am working on an eclipse RCP application with localization Users should be able to dynamically change the language u…… -
Java – how to programmatically scope beans
I tried to find the scope of the bean by its name What I have found so far is: beanfactory#isPrototype(String name) …… -
Multithreading – multithreading a * search with Java or LISP or c# search
Is there a good way to multithread a * search? Single threading is quite easy, as given in (for example) Artificial In…… -
Java – automatically adds private qualifiers to fields in eclipse
Is there any way to automatically add private qualifiers when declaring new variables in eclipse? To some extent, I wa…… -
Java – Camel case in web resources
What do you think of using hump case for network resources? I come from a Java background, where camel case is second …… -
How to support multiple truststores in Java SSL client applications
In our Java application, we need to use HTTPS protocol to communicate with the server list on SSL The list of servers …… -
Java – how do I use eclipse to check the status of debug symbols?
When discussing another question, I asked @ Aaron digulla and pointed out the following: File Src Zip is for me, but I…… -
Java – pass a zero size array to save the allocation?
In this code example, from page 107, the last line: Update[] updates = lu.toArray(new Update[0]); Contains comments: p…… -
How to manage memory when loading classes in Java?
Imagine that I have a class with 10 methods, and I need to instantiate 10 objects from the class In order to clear up …… -
Java：Math. 32-bit FP implementation of sqrt()
Standard math Sqrt () method seems to be quite fast in Java, but it has an inherent disadvantage that it always involv…… -
Java – what happens if the certificate that signed the jar (with a timestamp) expires
I signed a jar with time stamp 2 years ago The certificate is about to expire What will happen? Will users be warned a…… -
Java – ITL (iTunes database) format
I am developing a Java solution for managing the iTunes database (ITL files) ITL format is a proprietary format Does a…… -
Java – JAXB class from web service marshalling error
I have some JAXB classes generated by wsimport wsimport -d src/main/java -keep -extension -p my.package http://www…… -
In Java, why is the new operator not used to allocate memory before the data type?
If we need the new operator to allocate memory for objects, why don't we use it class-name class-var = new class-name…… -
Java – negating unary operators in Hibernate QL
I'm trying to HQL switch Boolean fields using: update Entity e set e.booleanField = not e.booleanField where e.id = ?1…… -
Live screen sharing to Java application (localhost)
I'm looking for a way to add overlays to running Windows games, such as OBS (game streaming application for twitch) Al…… -
java. sql. How timestamp stores nanoseconds
java. sql. The timestamp constructor is as follows: public Timestamp(long time) { super((time/1000)*1000); nan…… -
Java：Math. 32-bit FP implementation of sqrt()
Standard math Sqrt () method seems to be quite fast in Java, but it has an inherent disadvantage that it always involv…… -
Java – how to read Class file?
See the English answer > How can I open Java class files in a human-readable way? 17 Solution To read this, you nee…… -
Java – jsf2: injecting service objects into service beans from spring?
I have tested this and tried to inject the service object into @ managedbean, but it failed NullPointerException becau…… -
Java independent variable vs array performance
I'm playing Java and want to know how different the following are in performance I know that premature optimization is…… -
Java – context hierarchy in spring boot based testing
My spring boot application starts as follows: new SpringApplicationBuilder() .sources(ParentCtxConfig.class) .chil…… -
java. time. ZonedDateTime. Parse and iso8601?
Why does the jdk8 datetime library seem unable to resolve valid iso8601 datetime strings? Its time zone offset is expr…… -
Java library for Java to EDI conversion
I am looking for a Java library for EDI conversion – Who knows of other solutions that might be useful? I am also open…… -
How to use java to know the original size (width and height) of SWF file?
Is there any way to know the original width and height of SWF file in Java? int width,height; // my stream contains a…… -
AspectJ: pointcut for lambda expressions
I have a Java 6 project that is migrating to Java 8 We use AspectJ to record some user actions, such as button clicks …… -
Is there an open source Java library connected to the image scanner?
I want to make a tool to capture images from the scanner. Is there an open source Java library to control / interface …… -
JavaFX video cannot be played
I followed some tutorials on playing video by combining JavaFX with swing (JFrame), but all I got was a black screen, …… -
Java – enables gson to deserialize numbers to integers or doubles
I'm sorry for gson I have a simple JSON. I want to deserialize it into map < string, Object > I'm really intuiti……