包含标签：Java 的文章
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Java – how do I get all the elements of a list through an instance?
How do I get all the elements of a list by instance? I have a list that can have any class implementation of an interf…… -
Java – use spring boot actuator without spring boot application
The actor Library of spring boot with production information endpoints is very useful for any server application But t…… -
Java – use JNA to get getforegroundwindow();
I once asked a similar question（ https://stackoverflow.com/questions/5206633/java-find-out-what-application-window-is…… -
Java multithreading: unexpected results
I am developing an enterprise application I encountered some problems running applications in a multithreaded environm…… -
Java – using welding and dropwizard
I tried to use weld se for dependency injection in the dropwizard application I can boot weld and inject it into the a…… -
Java – wierd syntax – underline between numbers
See English answers > java 7 underscore in numeric literals8 int _ = 8; System.out.println(5_5); The question is "w…… -
Java – where does JIT compiled code reside?
So I have this method written in Java: public void myMethod(int y){ int x = 5 + y; doSomething(x); } And suppo…… -
Java – enumeration is null
I am developing a LALG compiler to my college course Java 1.6 So I made a type class and grammar class EnumTypes publi…… -
Java – the xmlstreamreader does not close the open XML file
To use xmlstreamreader, I'm initializing it like – XMLInputFactory f = XMLInputFactory.newInstance(); XMLStreamReader …… -
Check whether the resultset in Java is empty
See English answers > java resultset how to check if there are any results21 //check if empty first if(results.next…… -
Does Java sync update the full cache, or only my synchronized objects?
If I access objects in a synchronization method or synchronization block, are all objects in the accessed element sync…… -
java – Hibernate – hibernate. hbm2ddl. auto = validate
I'm interested in hibernate hbm2ddl. Auto = interested in the actual work of verification, I am trying to find compreh…… -
Effectively find unique vector elements in the list
I have a list of numeric vectors. I need to create a list that contains only one copy of each vector There is no list …… -
Java – findbugs and Google codepro Analytix (Eclipse Plug-in)
I've used Google codepro Analytix, but I've never used findbugs Findbugs' first impression is that configuration is mo…… -
What happens if you use deprecated methods / functions in Java?
Any problems with using deprecated features in Java? If so, why keep this function? Is it a bad habit to use disapprov…… -
Java – numberofviewsinsession and multiple tags
I have a big problem with my application and memory The application (Java with JSF / RichFaces / facelet) is used by a…… -
Does Java – mockito have the same idiom as jmock’s country?
The book "object oriented software" provides several examples in jmock, in which the state is explicit and will not be…… -
Java – why do I need to provide closed class objects instead of closed class objects
class OuterA { class OuterA { class InnerA { } } class SubclassC extends OuterA.InnerA { SubclassC(OuterA…… -
How to use $. Of jQuery in async / await and typescript Post() method
My await statement in the asynchronous function is $. For jQuery Call of post() method, which returns a valid promise,…… -
“Java.net.socketexception: socket closed” when reading S3 file
I'm trying to read the CSV text file from S3 and send each line to the distributed queue for processing When trying to…… -
Java – extract main content (highest text density) web pages from news articles
I want to make a code to extract the main news from the news website News websites contain major news, advertisements,…… -
Java – mysterious comments in JDK source code: / / HD, section 2-1
I just stumbled upon this comment public static int lowestOneBit(int i) { // HD,Section 2-1 return i & -i;…… -
Java – how to configure embedded jetty to access Jersey resources?
I'm trying to configure embedded jetty to talk to my jersey resources, but I can't figure out how to do this I've trie…… -
Java – select “name” in jsoup
I have multiple divs in the web page URL. I have to resolve that they have the same class name, but different names ha…… -
Java – Maven / Eclipse: no meta-inf / persistence.inf found in the classpath XML file
I know other problems about this problem, but no solution is useful to me I am using Maven to build a java project in …… -
First, the Java 8 stream is used, and then forEach (…) is called.
I have a CSV file, the first line contains the title So I think using java 8 stream is perfect try (Stream<String&g…… -
Java – wicket @ springbean cannot create bean
I have an eclipse, wicket, spring, hibernate project Everything is normal except when I try public class SortableConta…… -
Java – the order of automatically wrapped @ repeatable annotations
Before that, I used to manually declare the wrapper annotation using an array, and then call it like this: @Foos({ @Fo…… -
Java – get the current SVN revision in webapp
What is the best way to display / use revisions in Java webapp? We just use ant to build our War files, no buildserver…… -
Java – Import classes in JSP files
I wrote some code as a java servlet, and now I'm trying to convert it to JSP I wrote a class in a separate file and I'…… -
Java – how do I use a JUnit parameterized runner with a varargs constructor?
I wrote a model example to illustrate this without divulging any confidential information This is a "virtual" example …… -
Java – dimension, changing width / height only
How do I change the width or height of only the components that need a dimension object? Now I do this: jbutton.setPre……