Recent Posts
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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.…… -
Multithreading – managing threads in Grails services
So I have a service setting to import a large amount of data from the files uploaded by users I want users to continue…… -
Strange java time zone date conversion problem
I want to convert ms-since-1970-timestamp to a date with time zone (Germany) These are two variations of the code – at…… -
Java – if the thread running the function is interrupted, does the finally block execute?
If I have a function with a try / finally part and the thread running it is interrupted in the try block, does the fin…… -
Java – garbage collection in Android (done manually)
I have a strange question I know that garbage collectors have their own limitations If assigned So my question is, is …… -
Is there a Java map implementation that returns the most recently contained key
I'm looking for a map implementation that returns the value associated with the requested key, or if it doesn't exist,…… -
Java – how to check whether column names exist in cachedrowset?
I am viewing data in views that may change I need to know before I make a CRS Whether the column exists before get ***…… -
Java – framework / design pattern for business rule validation
What framework / design pattern should I use to apply applications that may have more than biz rule validation? The ty…… -
Is buffered output stream more efficient than input stream in Java?
Bored earlier today, I began to think about the relative performance of buffered and unbuffered byte streams in Java A…… -
Java: how to add SSL client authentication
I have this code to connect the server and the client using SSL. Now I want to add client authentication: (I have a se…… -
Java – when will static nested classes (and static members in them) be loaded into memory?
Here, I try to use the internal static helper class to implement the singleton class for my database connection: packa…… -
Fileoutputstream access denied: Java
I have the following code correctly integrated with iText library import java.io.*; import com.itextpdf.text.*; import…… -
java – Spliterator – size vs subsized flags
https://docs.oracle.com/javase/8/docs/api/java/util/Spliterator.html >Is there a case where the sized flag is on bu…… -
Java – my periodformatter didn’t behave as I expected – what did I do wrong?
I'm having trouble using joda time's periodformatter I want someone to report days, hours, minutes and seconds, but my…… -
Java – benefit from getters and setters generated in play! skeleton
Play for each public farm of the runtime model class! framework generates getters and setters. public class Product { …… -
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 – passing methods as parameters – is this possible?
I tried to migrate to Java 8 and have some methods in my Dao class to do the following @Override @SuppressWarnings("un…… -
Java – redirect timeout after httpsession
I've been reading many posts on this topic, but I can't get a solution for my example I am using Java EE 6 and JSF 2.0…… -
Java – project $$enhancerbycglib $$67a694bd appears in Hibernate
I have a document entity mapped many - to - one to the project entity When I call document During getproject, in the d…… -
Java – find duplicate entries in the collection
Is there a tool or library that can find duplicate entries in the collection according to specific standards that can …… -
Java – how to get form data in play framework
Before asking this question, I found this neat post (but it can't solve my problem): I'm trying to use the play framew…… -
Java – guava: why method create () instead of constructor?
Excuse me, can you explain why guava creators like to define constructors as private and define static methods create …… -
Java – defines a global uncaughtexceptionhandler for all threads of the application
I want to define an application level uncaughtexceptionhandler in my java application. If an uncaught exception is thr…… -
Java – why does m2eclipse complain about missing artifacts when the MVN command line is not available?
I have just set up a new installation of eclipse Helios and have configured m2eclipse to use Maven's external (V 2.2.1…… -
Java – Jade cannot find proxy
I'm a novice in jade and have some trouble loading the agent I created a new IntelliJ project, added "jade. Jar" and "…… -
Java – Maven: no source compilation
I'm following "building Java projects with Maven"（ https://spring.io/guides/gs/maven/#scratch ）, when I run 'MVN com…… -
Java lightweight soap Client Library
Can anyone recommend a good java open source library to build a simple soap web service client? I'm looking for someth…… -
Java array list problem
I have the following java code, int a[] = new int[] {20,30} ; List lis = Arrays.asList(a) ; System.out.print(lis.conta…… -
Database application of Java, JDBC and JPA
I would like to introduce that I am looking for a novice for advice because I am trying to establish good habits The a…… -
Is there an underlying function in the Java – mongodb aggregation framework?
I tried to do some integer math in mongodb and encountered some problems Is there any way to round up or down doubles …… -
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…… -
Multithreading – is Delphi 2009 wait chain traversal provided in Windows 7 installation?
According to the "new features of Delphi 2009", there is a new debugger function called "waiting chain traversal" In p……