Java
-
Java – my Jax WS WebService client returns only empty objects
I have a third-party Web service, and I use wsimport to generate a client Every call to WebService completes successfu…… -
Java – is it more efficient to use flag or if clauses?
Is it more efficient to use Boolean flags instead of if statements in Java loops? Look at these two lines of code Use …… -
What is the arithmetic left shift of Java – 01001?
I think this is 00010010 On the other hand, the logical left shift of 1 bit will be 10010 Is it correct? Solution For …… -
How does Java – weakhashmap work?
When would you use a weakhashmap or a WeakReference? 10 Solution You can't use string text in weakhashmap (you can, bu…… -
Print opencv matrix content with Java
I have opencv matrix in Java. I want to print its contents I tried the toString () function as follows: descriptor ToS…… -
Java filewriter – attach text line files
I have a button in the GUI. When the button is pressed, the user can add information to the text file I have this part…… -
Java – how do I know my message was successfully sent using spring AMQP?
I use the rabbittemplate class to write to the rabbitmq queue using spring AMQP I use the convertandsend method to sen…… -
Java – recover EC private key from PEM format using bouncycastle
My application stores the private key in PEM format. The existing code is applicable to RSA key, but I tried to switch…… -
Java – an algorithm for calculating the similarity between texts
I tried to score similar between posts on social networks, but I didn't find any good algorithms, ideas? I've only tri…… -
Java – JPA 2.0 / Hibernate: why does lazy use @ onetoone out of the box?
My question is about the relationship between JPA 2.0 and hibernate, @ onetoone and delayed loading First, my settings…… -
Java – replace switch with binaryoperator
I'm trying to replace the common switch for arithmetic operations with the binaryoperator function interface The basic…… -
The best way to store time in Java is HH: mm
After doing my research, I can't find the method or data type that should be used for variables to store time in HH: m…… -
Java – when decrypting with a padding password, the input length must be a multiple of 16
I have a server and client socket program. The server sends encrypted messages to the client, that is cipher2 = Cipher…… -
How to interrupt the Java processing system like Java C
I have a java program that creates a lock file to ensure that no other execution runs at the same time If the program …… -
What are the security options for Internet Oriented Web servers in Java?
I need to implement a server that can be accessed publicly from the Internet The server has a very simple task: >Ac…… -
Java – Apache unexpected child element exception when generating web service client
I am trying to generate a web service client using wsdl2 Java from Axis2 (version 1.6.1) ./wsdl2java.sh -uri http://ww…… -
Play 2 – how do I set the default values of template parameters from the Java controller?
Can I define optional parameters when rendering Scala templates in play framework 2? My controller looks like this: pu…… -
Java – how to run arbitrary SQL with mybatis?
I have an application that uses mybatis for object persistence But I have the opportunity to run arbitrary SQL (from u…… -
What are the security options for Internet Oriented Web servers in Java?
I need to implement a server that can be accessed publicly from the Internet The server has a very simple task: >Ac…… -
Registering Java swing with event types
In Java swing, I can register a listener to a GUI event, as shown below guiElement.addMouseListener(myListener); But w…… -
Warning developers to invoke `super. in Java foo()`
Suppose I have these two classes, one extending the other public class Bar{ public void foo(){ } } public …… -
Is there a good alternative to serializing enumerations in Java?
The Java language benefits a lot from adding enumerations; Unfortunately, they don't work when sending serialized obje…… -
Java – hazelcast thread prevents tomee from stopping
context We want to use hazelcast as our jcache implementation in tomee Because we don't need crazy performance, we wan…… -
Java – performs DOM node to string conversion, but there is a namespace problem
So we have an XML document with a custom namespace (XML is generated by software beyond our control. It is parsed by D…… -
Java – user authentication failed: null
I have an API "vignette collab", which runs on an Apache stack with Java. I inherit a legacy code base and need to fin…… -
Java – how to calculate the shortest unique prefix for a set of strings?
This is a very common algorithm in command - line parsing Given a predefined set of long option names – calculates the…… -
Where is the current version of the Java virtual machine specification?
It seems that the only way to obtain the Java 6 version of the Java virtual machine specification is to adopt the seco…… -
Java – just in time doesn’t work
When I click Run, I encounter this problem in Android studio 2.3: 03/09 19:02:36: Launching app $adb shell am startser…… -
Send Skype messages in Java using taskan’s Java Skype API
My java project needs help I'm trying to send a message in a Skype conversation when a specific action occurs For this…… -
Java – XML file with & auml;
I have an XML file roughly as follows: <customer> <name>Müller</name> </customer>…… -
Java – swagger doc (type list) for API response
I'm using swagger to document my rest API However, I encountered a problem specifying the response for some API calls …… -
Java – how secure is internal storage?
What I need: For Android: I need to permanently save the data, but I can also edit (obviously read) it Users should no……