包含标签：Java 的文章
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Multithreading – common threadsafe properties
I created this "threadsafe" general property, which I can use between the main thread and the background thread I do t…… -
Java – parsing JSON using gson, objects sometimes contain lists and sometimes objects
I'm using an API that sometimes contains a list of child objects: { 'obj' : { children: [ {id: "1"},{id: "2"} ] } } I …… -
Java – what is the difference between extending abstract classes and non abstract classes?
What is the difference between abstract and non abstract classes when extending derived classes? Both classes do not u…… -
Java – how to serialize the last class that cannot be serialized by a third party (such as Google’s latlng class)?
I use Google's latlng class in V2 Google play service That particular class is final and does not implement Java io. S…… -
Java – how to handle internationalization “your input” XYZ is very good! “
I want to know what is the right way to handle internationalized statements and add runtime data for example Double qu…… -
Why does my algorithm become faster after executing several times? (JAVA)
I have a Sudoku solution algorithm, and my goal is to do it as soon as possible To test the algorithm, I run it severa…… -
Java – unable to automatically connect field: private org springframework. security. core. userdetails. UserDetailsService
I'm a new spring, so I've been on the safe side I have passed a fine comb through my code, unable to determine the pro…… -
java. Lang. linkageerror: Loader constraint violation in Grails project
I have built a Grails project with POI (including POI - 3.7 and poi - OOXML - 3.7) I've been working on the buildconfi…… -
Java – alpha beta mobile sort
I have an alpha- β The basic implementation of pruning, but I don't know how to improve the moving order I've seen tha…… -
What happens when a subclass does not define a constructor in Java?
I have a few things I want to know First, if you don't have a constructor: class NoCons { int x; } When I do the new n…… -
javax. servlet. HttpServletRequest. Getcontentlength() returns only int
In order to handle the large request body in HTTP post or put, it depends on HttpServletRequest Getcontentlength () is…… -
Java – Delphi concurrent memory model?
Is there anything like Java Memory Model in Delphi? To prevent misunderstanding: I mean nothing like "big / big / smal…… -
Bytecode compiler in Java
I am looking for a standard Java to Java bytecode compiler implemented in JavaScript Has anyone ever heard of somethin…… -
Java – Jface tableviewer vs treeview – performance
Has anyone noticed that there is a huge performance difference between treeviewer and tableviewer (treeviewer is much …… -
Event listeners in Java
I've been using the event listener in AS3, but it doesn't seem to be in Java (except graphical components) Amazing The…… -
Generate a range of random even numbers in Java
The posts I read almost explained this problem, but they all use integer values. To be honest, I don't fully understan…… -
Java – parsing anonymous classes does not implement abstract methods
I'm trying to retrieve objects from parse cloud storage from button click events in my main activity, which is from pa…… -
How to recompile and reload java source code when “lein repl” runs?
I have a clojure project and I'm using leiningen I'm also using tools Namespace reloads clojure code when repl is run …… -
Java – can the final method be emulated in powermockito in a non final concrete class?
Suppose I have a non - Final concrete class, and the last method is as follows public class ABC { public final Strin…… -
How to delete records (strings) Java and MySQL
I successfully deleted an integer, but when I tried to change it to string, it would say Here is my code: private void…… -
How do I build Java typed objects at runtime from generic type definitions and runtime type parameters?
Assume universal type declaration (Java) class Foo<T> { public T bar; } At runtime, how do I instantiate a t…… -
Java – how to merge long strings into jlabel
As the title shows: I need to install jlabel into JFrame, but the text in jlabel is too long, so I need to add some li…… -
Java – spring MVC cross domain validation: code smell?
Is this a taste of code or the best way to implement cross field verification in spring forms? @FieldrequiredIf.List({…… -
Java – find out if one circle is inside another
I'm in a bit of trouble. I have a task asking me to find a second circle, whether it overlaps, inside or in the second…… -
Java class type
I have a piece of valid code. I want to ask what happened? Class<?> normalFormClass = null; – - add – – The wild…… -
Java – code complexity analysis tool goes beyond loop complexity
Although loop complexity is a valuable indicator, I tend to think of it as a poor tool for identifying code that is di…… -
Java – how to generate RSA keypair using password encrypted private key?
I want to generate the private key pkcs8 format for key encryption. I try to use this Code: String password = "123456"…… -
Java – operator priority issues cause “error: unexpected type”
Due to many operator priority problems recently, I began to use some code and came up with this: int x = someNumber; i…… -
Java – replace ‘continue’ keyword [closed]
I was browsing the question about the continue keyword to better understand it. I came across this line in this answer…… -
Java and whitespace as syntax (ALA Python)?
Part of the Java syntax incorrectly tells me that these are curly braces and semicolons Is there some kind of translat…… -
How to make soap calls in Java
It should seem simple, but maybe I missed something I just want to make soap calls in Java, and it's best to use only …… -
Does the Java – eclipse debugger support save / restore or checkpoint / rewind?
I mean the following, illustrated by an example: I started my java application (which happens to be a simulator) The a……