Java
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How to check whether a thread has started in Java?
See English answers > in Java, how do you determine if a thread is running? 8 I will start this post at some time A…… -
Why is it necessary to return a response object instead of a string object to an HTTP request in Java?
I defined my rest method to return a string data type as a response to an HTTP request That's it: @Path("/users/{name}…… -
How to use callbacks in Java to call functions, just as I did in c#?
I'm new to Java, but I need to write something like c# code (this is a hand-made prototype, just to illustrate what I …… -
Java – spring MVC – did not get the value in the JSP view
First of all, I am a novice in the spring MVC world I made a simple program in which spring MVC will process the get r…… -
Lambda – merge different types of mappings into one in Java 8
There are two maps >< integer, string > MAP1 is < ID, question > < integer, string > MAP2 is <…… -
Java – how to disable Skype extensions through selenium webdriver
Whenever I start Firefox, Skype is enabled How to use selenium & Java? Solution This is the solution (I solved thi…… -
Java – JPA: query to get the result according to the foreign key value defined in the entity class?
Netbean 6.9 generates the following JPA entity classes from this SQL Server 2008 table: I want to get all productdescr…… -
Java – how to load fragments in viewpager to select
Im uses three segments in viewpager. The problem of loading big data in large data loader works well in devices like H…… -
Java – spring hibernate 5 error value [org.springframework.orm.hibernate5.sessionholder used for key binding to thread
I just upgraded to hibernate 5 when trying to use getcurrentsession using spring hibernate transaction manager and fac…… -
Java – what are the benefits of using protected variables on getters and setters?
See English answers > java protected fields vs public getters 7 Solution Even if you use getters and setters (I per…… -
Java – logging and dependency injection
I try to build and applications based on Java For dependency injection, I use Google Guice Now I came up with the prob…… -
Java – how to cancel a modification request
I scrolled through the official documentation retrofit and decided to implement something similar in my project, so th…… -
Get control of the name of the temporary file created in Java
When creating tempfile, is there any way to control the random number attached to the file name? Solution It seems tha…… -
JPA2. 0: delete entity in onetomany relationship
How to delete an entity in a onetomany relationship @Entity @NamedQueries({ @NamedQuery(name="User.findByUserNamePa…… -
selenium – org. junit. Test and JUnit framework. Differences between test packages
<project name="JunitSuite" basedir="." default="clean"> <project name="JunitSuite" basedir="." default="clean…… -
Java bitwise operation
I have this line of code int b1 = 0xffff & (content[12]<<8 | 0xff & content[11]); I have a small bytearr…… -
Java – button click causes the application to crash
I just set up an onclick method, which is written in the activity class and will be called as soon as I click the butt…… -
How to output the content of scene graphics in JavaFX 2 to images
How to output the content of scene graph in JavaFX 2 to image In fact, I'm developing an application that basically de…… -
Java – singleton mode
Like my previous question, this question refers to effective Java I have many sub - questions this time >Privileged…… -
. Net – how to stop a worker thread in a multithreaded windows service where the service is stopped
I have a Windows service that uses a producer / consumer queue model to process tasks in queues with multiple worker t…… -
Java – how to use jmockit to pass an empty string to a private method during unit testing?
The following is the private method in my datatap class. I tried to JUnit test this private method with jmockit – priv…… -
Java – how to put Google Adsense in GWT
Does anyone know how to put Google Adsense ads in GWT web applications? Solution You can put the JavaScript code in Ad…… -
Deleting XML nodes using a Java parser
In the following example XML, if a Java parser is used, if e = 13, how to delete the entire B node <xml> <…… -
How to use Java comparator correctly?
If I have the following courses: public class Employee { private int empId; private String name; private i…… -
Java – how to use polynomials instead of bits to improve performance?
I have a 128 bit string, and my supervisor asked me to express the 128 bits as polynomials This is a scan of the paper…… -
Java – use Jackson to map objects from specific nodes in the JSON tree
Can Jackson's objectmapper ungroup from a specific node (and "down") in the JSON tree? Use cases are extensible docume…… -
How to convert ieee-11073 16 bit sfloat to a simple floating point number in Java?
The title is self-evident: how to convert ieee-11073 16 bit sfloat to a simple floating point number in Java? Solution…… -
Draw lines on the canvas with the mouse: Java AWT
The attempt is to draw a figure (now a line) with the mouse on the AWT canvas I tried java graphics for the first time…… -
java – joda-time：new DateTime(String)vs DateTime. parse(String)
Using the joda-time-2.0 version library, I want to know which function is more suitable for building from ISO date (up…… -
Java – badtokenexception: cannot add window
I have a problem. When the screen times out, I receive a badtokenexception, and then the user returns to my applicatio…… -
Multithreading – avoiding cache consistency problems and key parts in Delphi?
I just read an MSDN article "synchronization and multiprocessor issues", which solves the memory cache consistency pro…… -
JavaFX tableview resizes to fit the window
I'm trying JavaFX and forcing my way because it's hypothetical and future I'm trying to create a 4 - column table The ……