Java
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Java – eclipse RCP: using the configuration directory
My eclipse RCP application needs a configuration file that contains some information about connecting to a remote data…… -
Java – thinking in App Engine
I am looking for resources to help me migrate my design skills from traditional RDBMS data store to App Engine datasto…… -
Shadow of generic Java and type parameters
This code seems to work properly class Rule<T> { public <T>Rule(T t) { } public <T>…… -
Java – how do I split strings based on the first occurrence?
How do I split a string based on the first equal sign "="? therefore TEST1 = TEST1 Should be converted to test1, test1…… -
The Java conversion from PNG to JPG changes white to red
See English answers > JPEG image with wrong colors7 UploadedFile uf; //as a paremeter in function; PrimeFaces Objec…… -
Java – real time thread synchronization with normal threads
How to synchronize a real-time thread with a normal thread in Java? For example, real time threads that calculate cert…… -
How to handle exceptions when instantiating class objects
java version "1.7.0_45" java version "1.7.0_45" Hello I'm initializing class methods in the constructor However, the n…… -
Converting classic nested for loops using java 8 streams
See English answers > Cartesian product of streams in Java 8 as streams (using streams only) List<Card> deck …… -
Java – field lookup method of spring data repository
I have two entities, one user and one registered user The registered user has a field of type user I think there is a …… -
How do you get the mantissa of floating point numbers in Java?
I'm trying to get the mantissa of a floating point number (just for learning), but it doesn't work as expected Say the…… -
Suggestions for good java build tools are well integrated with eclipse
I work in several modules (about 10 at present) of a small team (3 people) The compilation, integration and management…… -
Java – how to use spring data to interact with elastic search aliases
Hi, I'm using elastic search for spring data The domain structure of my project is constantly changing So I have to de…… -
Java – best practices for installing third-party libraries into a hosted Maven repository?
Suppose you have a project that uses a third-party library, such as Google's Analytics data API (gdata), which does no…… -
Java – JNA catch exception
I have a quick question about handling exceptions thrown by the Library under JNA JNA receives an invalid memory acces…… -
Java – GWT and guava issues
It's hard for me to get GWT to work with guava I added guava-r09-gwt.net to my classpath Jar and < inherits name = …… -
Java – how to use the web XML contains additional configuration files
I need to define many servlets, but I don't want to use them on the web Write all configurations in XML I can define s…… -
Can I use them in Java code to take advantage of kotlin’s coroutines?
What is my goal? My goal is to be able to use kotlin's coroutine system in Java I want to be able to pause execution f…… -
What are the Java system classes?
When I read some documents about assertions, I found that: java -ea -dsa Which is the system class? Solution According…… -
Java Generics Pass . Class reference
I need to call a super constructor that requires me to pass a generic type Class reference How can I achieve this in J…… -
java. lang.NoSuchMethodError：org. springframework. http. MediaType. getCharset()Ljava / nio / charset / Charset
When I tried to run my TestNG test through ant, I got Java lang.NoSuchMethodError：org. springframework. http. MediaTy…… -
Java – how to identify anonymous inner classes in notserializableexception
Trying to debug the application in NetBeans received the following error message: During debugging, I have to insert "…… -
Version control – advantages and disadvantages of version control Javadoc
I'd like to know whether to submit Javadoc files to my project's SVN repository I've read about SVN good practices, in…… -
Java stream – collection combiner
Why the following codes: StringBuilder sb22 = IntStream .range(1,101) .filter(x -> x > 50) .@R_91…… -
Java – exclude packages from Proguard
In Proguard How to include certain packages after excluding parent packages from CFG: For example: -keep com. myapp.**…… -
How do I mark Java methods as “must use results” for static analysis?
When compiling C or C with GCC, you can mark functions with attributes ((warn_unused_result)). If you call a function …… -
Java – instance level access control in Apache Shiro
I found a flexible security framework Apache Shiro I successfully realized authentication and authorization with Shiro…… -
Java – why does my compiled class have its method local variables renamed?
I have a kitchen Jar file I need to modify one of its classes I decompile it with JD Then I modified toster Java file …… -
Java – unexpected action of light source in the room
I've written several Android apps, but this is my first time using 3D programming I created a room (4 walls, ceiling a…… -
JPA – the difference between the methods of ‘detach’ and ‘Remove’ entitymanager
I want to know what is the real difference between em.detach (entity), em.remove (entity) and using jpql requests: em.…… -
Java: how to parse XML in E4X?
I wonder if there is a way to parse XML using E4X, or something like E4X Does such a framework / library exist? thank …… -
java – NoSuchMethodError：com. google. common. base. Stopwatch. createStarted()Lcom / google / common / base / Stopwatch
My app is throwing nosuchmethoderror: com google. common. base. Stopwatch. Createstarted() LCOM / Google / common / ba…… -
How to get SOAP messages when using the client generated by axis 1.4 wsdl2java
This can be a simple problem for anyone with moderate expertise in Web services using Apache axis I have a web service……