Java
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Java – parses JSON responses into objects
Good evening, import javax.ws.rs.core.MediaType; import com.sun.jersey.api.client.Client; import com.sun.jersey.api.c…… -
Java GUI: Document Object Model
HTML has a document object model, and then JavaScript can manipulate / move When I create a GUI in swing - the model l…… -
java LinkedHashSet
I have been studying for ocjp (former scjp), and I have encountered the following example of using linkedhashset: publ…… -
Java – warning: [overloads] method M1 and method M2 have potential uncertainty
import java.util.function.*; import java.util.function.*; class Test { void test(int foo,Consumer<Integer&…… -
Java – any way to disable known host checking using jsch?
I tried to ridicule jsch and SSH tire connection to Java local remote (Solaris) host I usually use putty. Every time I…… -
Strange behavior of println () method in Java
class W { class W { static int count=0; W() { count++; System.out.print("c "); } pub…… -
Java – the best way to use a PostgreSQL database as a simple key value store
I was asked to use the PostgreSQL database, which will replace my current BerkeleyDB Although; I realized that this wa…… -
Print 1 to 100 using 10 threads in Java
I'm new to multithreading. I got a problem. I used 10 threads in Java to print 1 to 100 below the constraint >Threa…… -
What is the meaning of event consumer in JavaFX?
I tried to understand event handling in JavaFX, where I found this line Can you explain the meaning of event consumpti…… -
How to programmatically simulate arrow key pressing in Java FX
I want my JFX application to simulate arrow key presses (when they are registered in textfield), but I can't figure ou…… -
Java – why do we need to avoid mutations in coding? What is mutation?
Why is the second code (code with flow) better than the first code? First: public static void main(String [] args) { …… -
Java – how to control the SSL passwords available to Tomcat
I cannot disable weak SSL passwords in tomcat, as described in many places http://www.techstacks.com/howto/secure-ssl-…… -
How to convert a sample dataset from R package “spatstat” to ShapeFile
I write a kernel density estimator in Java, which inputs and outputs the GeoTIFF image of the estimated surface in the…… -
Java – TestNG runs all class methods multiple times and initially executes @ beforeclass using the provided data
I am writing a test suite for webapp using TestNG and selenium webdriver What I need is to run all the methods of the …… -
How to store Haskell data type in unboxed vector in continuous memory
I want to store a nonparametric, decompressed data type data Point3D = Point3D {-# UNPACK #-} !Int {-# UNPACK #-} !Int…… -
Concurrency – Erlang – dining philosophers error
If the code is hard to follow, I apologize If anyone is interested, these are instructions: http://www.kth.se/polopoly…… -
Java – repository classes in DDD
I'm trying to focus on DDD. I have a question class and a feedback class (etc.) I want to be able to count the number …… -
How to use a single replaceall to find the common characters of two strings in Java?
So suppose I have: String s = "1479K"; String t = "459LP"; I want to come back String commonChars = "49"; The common c…… -
Java – property file point separated key names
I just noticed that almost all key values in the properties file are dot separated names Solution There's no specific …… -
Multithreading – why only 32 threads run when calling futures?
When I found the futures business test: user=> (time (doall (map deref (for [i (range 1000)] #_=> (future (…… -
How to simulate soap web services in Java
There are web applications that use soap web services But I want a copy of it I want to perform unit tests on my appli…… -
Run command line operations from Java
I built a very simple program to test the command line operation of running Java That is: later, I hope to modify this…… -
Java – use Lombok with gradle and spring boot
I'm trying to build a project with Lombok, which is the dependent project I have dependencies { compile("org.spring…… -
How do I reference Maven dependent unit test classes in my java project?
I need to reference some JUnit tests (SRC / test / Java) in project B in the test package Src / test / Java of project…… -
Why is java used by most banks?
I noticed that most banks use java to run web applications on the server side Why? What makes Java better than PHP, ru…… -
Java – learn about memory leaks in Android Applications
I found the article "avoiding memory leaks", which says the following code: private static Drawable sBackground; @Ove…… -
Java – byte array buffer image conversion speed is slow
I have a simple server-side code that receives a byte array representing a JPEG image and returns the size of the imag…… -
Java – intuition and design principles
I have a class hierarchy, like this drink – > coffee – > latte Drinks: public abstract class Beverage { pri…… -
Java – get the date representation in seconds?
I'm using an API that requires a date parameter as the number of seconds, an int My problem is that I now store this t…… -
Java – good design: how to pass inputstreams as parameters?
I have a large file and I am opening a FileInputStream This file contains files, each with an offset from the beginnin…… -
Java – is there a reason for the “pseudo typedef antipattern”?
I have a relatively complex generic type (such as map < long, map < integer, string >), which is used interna…… -
Javafx-2 – Java FX 2 treeview model reference
I tried to get treeitems valueproperty during the onmouseclick event I have a treeview of the following types: @FXML p……