Java
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Java – jax-rs, mapping to JSON without overhead?
I am using jax-rs to create restful web services in Java I get a lot of overhead in the generated JSON Data class: @Xm…… -
Java – how to compress or encode elliptic curve public keys and put them on the network?
I am developing distributed digital signatures, signing documents and sending them to application server over the netw…… -
Java EE – which CDI scope should I use for Dao and service classes
I'm trying to build applications using JPA, CDI (open web beans delta spike JPA module), and JSF I use CDI deployed on…… -
Java – why doesn’t Postgres replication stream work when used in a separate function?
I'm working on the Postgres replication stream API Encountered unusual behavior while working hard When I use the copy…… -
Java – spring validates a string list of non empty elements
I have a model class that contains a list of strings The list can be empty or contain elements If it has elements, the…… -
Java – attempt to refresh the ‘expired’ keystore
I'm trying to re sign some jars using the ant task 'signjar', but it tells me that "the signer's certificate has expir…… -
Java – how do I get components at the mouse click position when using TableCell editor?
I use a custom tablecellrenderer and multiple jformattedtextfields in table cells I use the same components as TableCe…… -
Java – how to start testing (jmock)
I'm trying to learn how to write tests I'm also learning Java. Someone told me that I should learn / use / practice jm…… -
Java – the correct way to calculate associated objects using jpql
What is the correct way to write this JPA query? I'm just guessing because I can't solve it or find it in my JPA book …… -
Cq5 – how to get key / value from Java use class HashMap
I have a basic Java usage class object that extends wcmuse and a simple HashMap method - in obvious code - I have some…… -
Cubic B-spline curve in Java
I need to use cubic B - spline, but I can't find its code anywhere The only curves available in the Java API are quadc…… -
Java – Apache httpclient records the password in clear text when opening debug logging
When debug logging is enabled, Apache httpclient appears to record passwords in clear text Is there any way to disable…… -
Java – how to process servlet requests during long shutdown periods
We need to implement an elegant shutdown mechanism in servlet applications Editor: we want to simplify as much as poss…… -
Java – how to sign jars that never expire?
I signed my jar file with jarsigner But I received a warning: Warning: This jar contains entries whose signer certific…… -
Does clang / libclang have a Java binding?
I want to use clang's code analysis function in the plug-in of Java based ide Since plug-ins must be written in Java, …… -
Java – accessor method visible under windows and Linux, but not OS X
Try 1.5 2 jar file (for example, in java.net http://java3d.java.net/binary-builds.html To build javax vecmath. Try cal…… -
Java – accessing nested JSON data in a single get?
I tried to get a value from the JSON object How do I get the third level JSON object: JSON format is as follows: FeedS…… -
Java – what does the “unbound” library or classpath container in eclipse mean?
Although I recently imported a new project into eclipse, when I tried to add groovy_ When the support library, it will…… -
What is the correct way to reference Java members in text?
When answering questions, I found that I often mentioned method names and online documents I'm confused about how to r…… -
Java – pass custom environment variables to Maven
I'm looking for a way to pass environment variables to cargo containers Something like this: <plugin> <grou…… -
Java – battleship game – ship overlap
I am using ACM library to write a simple warship game in Java My code is: @ h_ 502_ 4@ private void putSmallShips() { …… -
If bytecode is compiled in 1.4, can we still get the performance improvement of Java 6
I assume that after browsing this document, there is a huge performance difference between Java 1.4 and Java 6 My ques…… -
Java – simple file upload cannot be implemented in Jersey – “use post to annotate resources. Classes are not considered valid resource methods. Unavailable”
You can't use Jersey to upload simple files Missing dependency error raised during application boot: The following err…… -
How to write ArrayList to CSV file
I have an ArrayList < < metadata >, and I want to know if there is a Java API for processing CSV files with a…… -
Is there such a thing about VNC server in Java? Open source?
I haven't found any changes in any VNC server written in Java. Is there no such thing? Solution What about this? vncjl…… -
Multithreading – can I generate a thread from a servlet?
Before turning to my main question, I'd like to ask a basic question Let's say I'm running a simple java program that …… -
java. sql. Sqlexception: IO exception: how to recover the damaged pipeline without restarting?
In my application, I use to connect to Oracle. When the connection is lost and I try to reconnect, I receive an except…… -
Java – jasperreports 5.6: unable to load the following fonts
The problem I face is that Jasper reports still can't find the Arial font I created a simple Maven project with the fo…… -
Java – JFrame: get the actual content size
I've created a JFrame, and trying to get its size will produce incorrect results compared to what I expected I've made…… -
Java – access all spring beans of a given type
I have a spring application (spring batch is not a web application) In the test class, I want to get access to all bea…… -
Bind nested object properties to tableview in JavaFX
I have the next class public class ProductStockDto extends private Long id; private Long amount; private…… -
Java – how to write a probabilistic algorithm that can be easily maintained?
Suppose I want to create a game At the beginning of the game, the player will choose a monster It's easy to choose mon……