包含标签：Java 的文章
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Java – is this class single?
Are the categories listed below singles? Since the constructor is declared public, can I infer that the class is a sin…… -
Java JPA: perforant checks whether the entity is already in the DB
What is the best method / best practice to use JPA to check whether an entity is already in the database? I'm writing …… -
How to suppress warnings during Javadoc compilation (within the scope of the code base)?
I'm stuck in a legacy java code base, and there will be thousands warnings when you compile it I am happy to actually …… -
Julia: append to an empty vector
I want to create an empty vector and append an array to Julia What do I do? x = Vector{Float64} append!(x,rand(10)) Th…… -
XMPP – how do I retrieve chat history using the Java smack library from the openfire server?
After installing the open archive plug-in in the openfire server, I can see that the chat conversation between two use…… -
Java – how do I add soap headers to the spring Jax WS client?
How do I add soap headers to the spring Jax WS client? Specifically, I have a JAXB object that I want to add to the ti…… -
Java – Android and lambda
I need to integrate some code with the widespread use of Java lambda functions The problem is that using lambda requir…… -
When trying to simulate private methods using mockito and powermock, get Java lang.NullPointerException
I tried to simulate a private method with mockito / powermock I got NullPointerException Practical courses import com.…… -
What does it mean when you have a variable, such as accessing $002 in Java?
I have a Java jar. I have decompiled the permissions of the original developer and we will use it until they can get a…… -
Why do java, c# and C have no scope?
ADA, Pascal, and many other languages support range, a subtype integer approach I know that it is impossible to static…… -
WebSphere – where can I find a specific version of IBM JDK / JRE for windows?
I'm trying to get a JDK sensitive Oracle Software used with WebSphere. I need to find some specific versions of IBM JD…… -
Java – calculate method call stack size to check stackoverflowexception
This morning I answered a question related to stackoverflowexception This person has asked when a stackoverflow except…… -
In Java network programming, is there any way to keep the server open even if the client is closed?
Suppose we have a simple echo client / server pair in Java As far as I know, once one side of the socket is disconnect…… -
Java – where should the validation logic be?
topic How do you best manage the construction of object graphs that require complex validation logic? I want to keep d…… -
Java – unable to run the program “MVN” error = 2, there is no such file or directory
I'm building on Ubuntu 14.04 LTS, but I get the following: Started by user anonymous Building in workspace /var/lib/je…… -
Java – missing language in TTS Android
I am developing an Android application that uses the texttospeech feature provided by Google and follow the following …… -
Why does’ Java – version ‘go to stderr?
Is there any particular reason why Java is converted to stderr? For example, the command is executed from the prompt l…… -
How to calculate differences in a few months using Java’s joda API
I'm writing a program that should calculate the month between two given dates and return the value to the program For …… -
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……