包含标签：Java 的文章
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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…… -
Java – jsup clean method
I'm trying to use this code to completely clear my text from HTML elements: Jsoup.clean(preparedText,Whitelist.none())…… -
Copy two 2D arrays to another 2D array
I have another Java question:) I've read the this thread and it clearly explains it, but I have two 2D arrays I want t…… -
Java – use socket to send ArrayList from server to client through TCP?
I'm trying to send an object from a server socket to a client socket over TCP I can't find the problem This is the err…… -
Java – use spring data rest to expose hypermedia links on collections, even if they are empty
First, I read the previous question: exposing link on collection entity in spring data rest But the problem still exis…… -
Generic class parameters in Java
So I pass activities and intentions in my Android application to handle threads (I'm sure there's a better example bec…… -
java – org. testng. Testngexception encountered while trying to access poolinghttpclientconnectionmanager
So I recently faced testngexception when trying to run an existing test suite using the IDE Recently I mean updating I…… -
Java – resource free method when using jax-rs on tomee
Using inventory tomee, I can't get simple Jax - RS resources I keep getting a mistake: Jun 30,2012 5:09:59 PM org.apac…… -
Java – unable to find spring namespacehandler for XML schema namespace[ http://www.springframework.org/schema/data/jpa ]
Any idea, what might cause this error? This is my 'servlet context XML '(there are some problems with indentation, but…… -
Can JavaFX filechooser “remember” the last directory it opened?
My view controller has a filechooser instance for opening and saving files Every time I call showopendialog () or show…… -
Jsf-2 – @ predestroy is not called after the session expires
This is in was8 JSF 2 application running on 0 This is the code of a page's "support" bean @Named("mySessionBean") …… -
Java – embedded jetty – spring MVC – view Parser – no XML – HTTP error: 404
I'm trying to build a simple spring MVC server using embedded jetty I've set up the server, enabled spring, and set up…… -
Java – compile Maven project
I have an ongoing Maven project. I make sure there are no errors. When I try to compile and deploy "MVN clean compile …… -
Convenient functions of operators in Java 8?
In Python, if I want to collapse the XOR operation, I can write: reduce(operator.xor,my_things,0) Not more trouble red…… -
Java – how to programmatically check HTML documents
I have a database containing small HTML documents, and I need to programmatically insert several into PDF documents wi…… -
Multithread construction algorithm of immutable tree in Java
I want to build an immutable tree data structure that represents any subset of the filsystem directory structure There…… -
Java – Amazon SNS – > SQS message body
I am sending a message from SNS topic to SQS When I check the body of the SQS message at the client, the entire messag…… -
Java – catch parameter parsing exception in spring 3.0 webmvc
I use spring webmvc to provide rest APIs The way I use is like @Requestmapping ("/ path ({ID}") void getbyid (@ pathva…… -
Why does Java 8 completable future thenpose generate different exceptions according to the completion order?
I have encountered the strange behavior of the Java 8 completable future thenpose method I have two tests that differ …… -
Java – NiO – detect closed connections
I wrote a server that uses Java NiO API to execute non - blocking io I see a situation where occasionally the client a…… -
Javadoc – can I group methods?
I am currently creating documentation for classes with many functions Solution Maybe try refactoring it so that you do…… -
Drag and drop images in Java
What I want is to drag and drop images from one JPanel to another I can do this by using the DND library But I insist …… -
Java – is there any way to provide persistenceunitname for spring’s localcontainerentitymanagerfactorybean instead of using persistence xml？
I have multiple data sources and multiple entitymanagerfactories defined in my spring context If there is only entitym…… -
Java – how to return type the return type is also the upper and lower limits of method parameters
Let's assume we have the following code: class A {} class B extends A {} class C extends B {} public static <T&g…… -
Change java version (MAC)
There are 2 Java versions on my computer: /Library/Java/JavaVirtualMachines/jdk1.7.0_07.jdk/Contents/Home /System/Libr…… -
Using IPv6 in real Java programs
IPv6 usage is now slowly starting, so I am currently repairing and updating all applications ready for IPv6 One of the…… -
Java – start the embedded jetty server for jar files
What I want to do is build an executable jar file containing my project I have included its dependencies next to it an…… -
Java – use @ singleton or getsingletons() when implementing singleton resources in Jersey
I have a resource that can be exposed as restful WS If I have to make it a singleton, what are the preferred and recom…… -
Java – Design of multi-level and hierarchical state machines
In network programming, you need a state machine with multiple levels of depth State Machine 1 State Machine 2 ……