Recent Posts
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Java – difference between non repeatable reads and dirty reads
From this Oracle Java Tutorial: What is the difference between dirty reading and unrepeatable reading? Is this differe…… -
Java – component centric NetBeans, GUI Builder (group layout)
I'm trying to design a JButton (an "OK" button), which looks good and must be horizontally centered in the included JF…… -
Java – data type used to manipulate currency
I'm trying to decide which data type to use for financial applications I've read that double or BigDecimal should be u…… -
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…… -
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 – 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 – 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…… -
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…… -
Java – Grails, how do I get an object without saving it
I'm new Grails and trying to create a form that allows the user to change the email address associated with his / her …… -
Java – increment IP address in string format
I'm a novice in Java. I'm trying to find a way to increment the IP address range by user input For example, from 192.1…… -
Java – copy text from a disabled jtextfield
Can users be allowed to copy text from a disabled jtextfield? Currently, if I have a disabled text field, users cannot…… -
Java – what is the purpose of WS addressing?
I'm just confused about WS addressing Wikipedia says it is a specification of a transport neutral mechanism that allow…… -
Java – web surfing / browser automation
I'm creating a java program to surf the Internet, log in to my website account and publish content For example Run the…… -
Java – chained method format in eclipse
I want to configure the eclipse Java formatter to format chained method calls: lblName .setX(last.getX() + las…… -
Java – how to set JSF message encoding to UTF-8?
I have some user input validation code <h:form> <h:inputText value="#{user.input}"> <f:vali…… -
What java compiler uses JSR instructions and what?
Java bytecode language has JSR instructions None of the code I compiled with the Java 7 compiler uses this instruction…… -
How to make Java applications interact with websites
I have a program to get data from Excel files and operate it for users However, in order to get the update of Excel fi…… -
Java – eclipse project hidden SRC folder
For some reason, eclipse has started hiding the "SRC" folder in some but not all of my projects, and I want it The fil…… -
How to serialize JSON objects in Java
Hi, I'm using Voldemort to store my data My key is a word, and the value is the number of occurrences of the word and …… -
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…… -
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 – 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…… -
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 – what is the difference between a = a.trim() and a.trim()?
I'm in a bit of a mess I know that string objects are immutable This means that if I call a method from the string cla…… -
Java – sl4j and logback – can the logging level of a package be set programmatically?
I can use the following code to programmatically set the logging level of the application, but I can also do this at t…… -
Java – use @ requestbody and forward to another endpoint to throw an exception and close the stream
My java spring rest API controller is as follows: public void signup(@RequestBody RequestBody requestBody) throws IOEx…… -
Java – guava libraries: Yes iterators Is cycle () thread safe?
Suppose I have the following classes: public class Foo { private List<Integer> list = Lists.newArrayList(…… -
Java – spring boot security displays HTTP basic auth pop-up window after login failure
I am currently creating a simple application for the school project, spring boot back end and angularjs front end, but…… -
The Java swing component cannot be resolved
I got the following code from the tutorial: import javax.swing.*; import java.util.Date; public class SwingGUI { …… -
Java – ehcache automatically generates keys and @ cacheable spring annotations
Does anyone know how ehcache's default key generation works? If I have the following methods: @Cacheable(cacheName = C…… -
Java – Calendar setting year problem
I tried the following code: Calendar c1 = Calendar.getInstance(); c1.set(Calendar.YEAR,0); c1.set(Calendar.DAY_OF_YEAR…… -
Byte array of unknown length in Java: Part 2
Similar to "byte array of unknown length in Java", I need to be able to write an unknown number of bytes from the data……