包含标签：Java 的文章
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Java – pass an argument instead of returning it from a function
It is clear from the title which method should we adopt? The intent is to pass some method parameters and get the outp…… -
Java – Eclipse Helios: Tomcat project – jar will not be exported or published Runtime may cause classnotfoundexceptions
I'm using eclipse Helios. I want to know how to add the library project to my folder, which will be copied to the buil…… -
Java – variable path parameter for rest Service Testing in JMeter
I'm testing a rest service with path parameters /my-service/v1/Customer/order/{ordernumber} I want to increase the num…… -
Java – multipartentitybuilder sends pictures to the railway server
I'm trying to send multiparty builder to my rails server However, when I try to build it, it crashes and gives me erro…… -
Java – why can variables be declared without an initial value?
I'm reading Gilles Dowek's programming principles: He said that it is also possible to declare a variable without givi…… -
ORM – doctrine problem: unable to get the last insert identifier
When I try to save data to my model, doctrine throws this exception: Message: Couldn't get last insert identifier. My …… -
Java – WebSockets 403 Forbidden on HTTPS
I am currently trying to set up HTTPS in the spring boot 1.2 application This application uses a large number of WebSo…… -
Java – NetBeans cannot install some modules
I am using NetBeans 7.4 development version 2, all software packages First, I used NetBeans 7.2, all packages Then I w…… -
Java – why is it faster to iterate buckets in linked HashMap than HashMap?
It's hard for me to understand that Google search, I found and If this is the case, why does the only HashMap have to …… -
Indexof() has a strange Java. String with a duplicate string util. List behavior
I've just encountered some strange behavior. I don't expect from ArrayList < string > in Java Of course, this is…… -
Java – Solr filter cache (fastlrucache) occupies too much memory and leads to insufficient memory?
I have a Solr setting One master server and two slave servers are used for replication We have about 70 million docume…… -
Java – the transient final field used as a lock is null
The following code throws a NullPointerException import java.io.*; public class NullFinalTest { public static voi…… -
Is there something similar to the spring @ transactional annotation available in Java EE 6?
In my company, I do not encourage the use of spring framework, but promote Java EE 6 But recently I read about the spr…… -
Best practices for Java exception handling
I recently wrote the following code; It uses a lot of exception handling I think it makes the code look very difficult…… -
Java – cannot set the request character encoding to UTF-8 from the context
See English answers > Unicode input retrieved via primefaces input components become corrupt 1 <?xml version='1.…… -
Java – why doesn’t my operation work when I use BigDecimal?
I'm trying to operate with BigDecimal, but it always returns 0 Why does double work when I use it? public static void …… -
Java – the target fragment declared by the fragment does not belong to this fragmentmanager
I did an activity a, in which there is a fragment X. through fragment x, edit and click the text item on the event. I …… -
Java – Kerberos for thrift?
I have a simple java application based on thrift This is very simple, just using thrift's "Hello world" message transm…… -
Java – psqlexception: error: syntax error at or near
I think JPA is a direct relationship It looks like this CompanyGroup： @Entity @Table public class CompanyGroup implem…… -
Java – how to print SOAP message content when using Apache axis
I am using Apache axis for web service automation I am preparing the soap request through axis and further accessing t…… -
Java – how to iterate over lists such as list >
I have a method to return list < map < string, Object > > How to iterate like list < map < string, O…… -
Is there any way to focus on JavaFX?
I know you can execute node Requestfocus() to focus on nodes in JavaFX But is there any way to remove focus from nodes…… -
Java generics
I want to implement a method that takes object as a parameter, converts it to any type, and returns NULL if it fails T…… -
Java – should a class implement an interface with only constants?
Today, I looked at the zipentry class and found the following: public class ZipEntry implements ZipConstants,Cloneable…… -
Java – how does this cause deadlocks?
I was brushing my java and was asked this question in the exercise How can the following cause deadlock? private Objec…… -
Logical operations on Java enumerations
I have a project where I have to deal with different subsets of large data sets in different scenarios The way I write…… -
Using private methods from another class in Java
I have two classes: public class Class1{} public class Class2{ private void simpleMethod(){ /*...*/ } } In class2,…… -
Convert int to object in Java
I have a problem: I work in an eclipse environment Sometimes the computer does not give the following conversion: int …… -
Java – JPA criteriabuilder upper gives a compilation error
I am trying to use criteriabuilder for case insensitive queries, as described in Hibernate JPA criteriabuilder ignore …… -
Java – a regular expression used to split a German address into its parts
Good evening, I tried to split the parts of the German address string into its parts through Java Does anyone know reg…… -
java – Quartz StatefulJob / non-StatefulJob
Can you explain to me the exact average value of statefuljob in quartz, which is different from that without statefulj……