包含标签：Java 的文章
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Is there a for Java application server Net simulation?
There is something in the Java community called Net? Similar to tomcat, resin and jetty I'm not interested in JSP equi…… -
Multithreading – dual locking mode in C 11?
The new model of C 11 allows multiprocessor systems to work reliably, wrt Reorganization order As Meyers and Alexandre…… -
Java – how do I determine the length of a graphic string?
I'm creating a graphical timeline from an excel document. I need to add a small label of the event name next to the ta…… -
Java: how to replace the last 16 bits of long with short
I have a long, short time Ex (divided into 16 bit blocks for ease of reading): > long = 0xffff 0xffff 0xffff 0xffff…… -
Java – what version of JBoss am I running?
(as the question:) how do I know what version of JBoss I am running? I'm also curious about what version of Tomcat I'm…… -
Java – why HashSet RemoveAll requires secondary operations?
I have this code to generate a HashSet and call removeall() I made a Class A, which is just an int wrapper. It records…… -
Java – controls the position of page breaks
According to the documentation, displayTag can be configured through paging banner. The placement attribute places a p…… -
Java – converts a list to a list (or any class that extends number)
I want to create a very general utility method to use any collection and convert it to a collection of user selectable…… -
Java – spring boot control target jar file name
My spring boot project has a build Description: <build> <plugins> <plugin> …… -
Is there a Java Translation Library working offline?
I really need to find a Java translation library that can be translated Solution For translating individual words, see…… -
Java – why does the LinkedHashMap class implement the map interface?
See English answers > Why do many collection classes in Java extend the abstract class and implement the interface …… -
Java conventions for accessible data (public visitors and recipients / naming)
Through the Java API, you can see countless conflicting naming and practices, which is really confusing to me For exam…… -
Java – how do I format numbers in the expression language?
How do I format and output numbers (such as long or BigDecimal) in El? For example, I want to limit some decimal numbe…… -
How to transfer files between TCP server and TCP client in Java
I have implemented simple TCP server and TCP client classes, which can send messages from the client to the server, an…… -
Java – converts the timestamp length to the normal date format
In my network application, the time of some activities of the user is stored as a timestamp in the database (in the da…… -
Java – Maven: “error reading prototype directory”, not proxy
Command: mvn archetype:generate -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false -DgroupId=org…… -
Can bufferedimage be converted into img data URI in Java?
I created a graphic image with the following example code BufferedImage bi = new BufferedImage(50,50,BufferedImage.TYP…… -
Java – the difference between sha256 and RSA and sha256, and then RSA
What is the difference between using the following two methods to calculate a signature? >Use signature GetInstance…… -
Java – convert e.printstacktrace() to use log4j instead
I'm new to log4j I don't want to display an exception stack trace in my log file, for example java.lang.IllegalArgumen…… -
Executorservice with invokeall() and future in Java
Master the following codes: ExecutorService executor = Executors.newFixedThreadPool(10); Collection collection = n…… -
Are there any open source java reflection tools or jars?
Are there any open source tools or jars to handle reflection in Java? I dynamically pass the method to a class, and I …… -
Java – how to make spring @ retryable configurable?
I have this code @Retryable(maxAttempts = 3,stateful = true,include = ServiceUnavailableException.class,exclude = URIS…… -
Java – how do I get the response code from volleyerror?
I'm looking for a way to get the response code of the volleyerror thrown My errorlistener looks like this: Response.Er…… -
Java – powerful file transfer from mobile devices to servers
What I need is a file transfer solution (Library) from mobile devices (IOS, Android) to servers (PHP) The basic requir…… -
Java – spring data – mongodb finds the nearest location around the route
I have a model that contains geojson points It is easy to find the closest spring data, but how to retrieve the neares…… -
Java: receive multipart HTTP response
I am writing a java client application to receive real-time M-JPEG video from an IP camera The video is sent by the ca…… -
Java animation clip when not moving the mouse cursor
I have a very simple animation, a large font of text constantly (pixel by pixel) moving to the left First convert the …… -
Java – use reflection to access constructors from abstract base classes
I'm playing java reflection I have an abstract class base with a constructor abstract class Base { public Base( St…… -
java – LinkedBlockingQueue put vs offer
I have a linked blocking queue and I am performing insert and delete operations I need to know which is better to put …… -
How to map MySQL char (n) columns to instance variables using JPA / Hibernate annotations?
For the "language" column in the MySQL table of type char (7), I encountered a JPA / Hibernate mapping problem In my e…… -
JUnit – select the specific test run in gradle
I'm trying to solve our chaotic test run. Unfortunately, I've just graduated We currently have TestNG and JUnit, and I…… -
Using java zip files: are there any restrictions?
I am creating backup routines for Java applications I'm also testing Apache commons compression to tar GZ, but its fil……