包含标签：Java 的文章
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Java – how to check how many threads are waiting for the synchronization method to unlock
Is there any way to check how many threads are waiting for the synchronization method to unlock? I want to know when a…… -
Java – push notifications in spring MVC webapp
I am writing a forum web application using spring MVC I'm just a beginner in spring. Now it's only a week I need help.…… -
Java – pass the parameterized class instance to the constructor
I have lost my way through the jungle, please help me:) I have such a thing: public class BaseClass<TYPE> { …… -
Java – project Euler problem #12
I have always been happy to challenge with project Euler. I noticed that my solution 12 is my slowest speed, reaching …… -
How to set a switch statement in a Java loop
I want to perform a switch in the while loop. At the break of each switch statement, the while loop stops and requires…… -
Unit tests – run JUnit tests using SBT
I have a 0.13 7 SBT project has several subprojects One of them is called webapp, which has many JUnit tests in webapp…… -
Java – unchecked exceptions will be better checked
I realize that in Java, the relative advantage between checking exceptions and unchecked exceptions is a be example di…… -
Java – OSS implementation of Google application engine?
After Google first launched map reduce, the community launched Hadoop. Is there an OSS Google App Engine project? Or, …… -
Java – code navigation in eclipse
I find it difficult to browse the code of a large project involving many classes, XML files, SQL files, etc I know shi…… -
Java – open the paradox / Borland Database as a single file
My question is: This is what I have: so it's a paradox 7 database file I'm trying the driver: http://www.hxtt.com/para…… -
Java – catch several exceptions and re throw the general exception
I'm using reflection to add some data to private variables in classes from third-party libraries There are about four …… -
Accelerating mathematical computation in Java
I have a neural network written in Java, which uses sigmoid transfer function to define as follows: private static dou…… -
Java – the comparator must override superclass methods
I'm making a treemap < < string, string >, and hope to arrange it in descending order I created the following…… -
Is there a map implementation for Java listeners?
I want a map implementation where I can add listeners for put () events What is available in standards or any third-pa…… -
java – System. Arraycopy is slow
I've been trying to measure the system arrayCopy vs Arrays. Copyof performance, in order to correctly select one of th…… -
Java – simplejdbctemplate and null parameters
I use simplejdbctemplate and mapsqlparametersource in a simple way: MapsqlParameterSource parameterSource = new Mapsql…… -
Java – hibernate cache using ehcache cluster: nonstrict for strict read and write
What is the real difference between unrestricted reading and writing and reading and writing? I can read ehcache and H…… -
Button size (Java)
I created a simple menu in Java, but I couldn't figure out how to change the size of the button I want the last button…… -
Unknown developer of Java Web start application on OS X
The Java Web start application signed on Mac OS X 10.9 blocks this message by default: "application.jnlp" can't be ope…… -
Java XOR two arrays [closed]
I have to apply one XOR two arrays as if I had the following: array_1: 1 0 1 0 1 1 array_2: 1 0 0 1 0 1 I want a funct…… -
Java webdriver: element invisible exception
I have the following questions I have a hidden drop-down list, so when I make a selection and run the test, I get the …… -
Java – how do I split strings based on the first occurrence?
How do I split a string based on the first equal sign "="? therefore TEST1 = TEST1 Should be converted to test1, test1…… -
The Java conversion from PNG to JPG changes white to red
See English answers > JPEG image with wrong colors7 UploadedFile uf; //as a paremeter in function; PrimeFaces Objec…… -
Java – real time thread synchronization with normal threads
How to synchronize a real-time thread with a normal thread in Java? For example, real time threads that calculate cert…… -
How to handle exceptions when instantiating class objects
java version "1.7.0_45" java version "1.7.0_45" Hello I'm initializing class methods in the constructor However, the n…… -
Converting classic nested for loops using java 8 streams
See English answers > Cartesian product of streams in Java 8 as streams (using streams only) List<Card> deck …… -
Java – field lookup method of spring data repository
I have two entities, one user and one registered user The registered user has a field of type user I think there is a …… -
How do you get the mantissa of floating point numbers in Java?
I'm trying to get the mantissa of a floating point number (just for learning), but it doesn't work as expected Say the…… -
Suggestions for good java build tools are well integrated with eclipse
I work in several modules (about 10 at present) of a small team (3 people) The compilation, integration and management…… -
Java – how to use spring data to interact with elastic search aliases
Hi, I'm using elastic search for spring data The domain structure of my project is constantly changing So I have to de…… -
Java – best practices for installing third-party libraries into a hosted Maven repository?
Suppose you have a project that uses a third-party library, such as Google's Analytics data API (gdata), which does no…… -
Java – JNA catch exception
I have a quick question about handling exceptions thrown by the Library under JNA JNA receives an invalid memory acces……