Java
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Java – create multiple threads using a for loop
I'm trying to create multiple threads, the number of which depends on the command line input I know that extending thr…… -
Java – why did my string to string comparison fail?
I have an Android application. I want to check whether the installed application name matches the string passed to the…… -
Java – how to make spring cache store ResponseBody instead of intermediate object
I use spring cache and this method to return the query value as JSON: @RequestMapping("/getById") @ResponseBody @Cache…… -
Java – JMX: how to prevent classloader memory leakage in servlet container?
I want to know whether or how to handle MBeans registered directly or indirectly from applications deployed on servlet…… -
JSF – how to handle multiple submissions before rendering the response?
According to the test report, if the response speed is not fast enough, we may press a button many times, resulting in…… -
Java – understanding managed beans / backing beans
See the English answer > difference between managed bean and backing bean11 I have some trouble, understand correct…… -
Ignore attributes when deserializing Jackson JSON in Java
In the example Class Person{ String name; int age; } If the JSON object is missing the attribute "age", { name…… -
Java relative file path
I have a Java problem that I've been having trouble with: what's a good way to indicate relative file paths Let me be …… -
How does the JavaFX gridpane layout set margins for elements in rows?
I am using the gridpane layout to locate the content in the application I want to know how to set margins for elements…… -
Java – should data sources be defined in the application or application server?
I have developed applications for two different teams (running on the JBoss server) One team has a data source configu…… -
Java – the SWT browser focuses on the next and previous highlighted text
I am developing a small application with SWT browser widget I'm emphasizing a search text <a id="xyz" href=''>&l…… -
Java – display animation BG in swing
Animated (looped) gifs can be displayed in jlabel or HTML (formatted text components, such as jeditorpane) and seen lo…… -
Java – is there a way to force checkstyle to ignore specific warnings in the source code?
See the English answer > how to disable a particular checkstyle rule for a particular line of code? 5 Does checksty…… -
Java – combined code generation using eclipse
Effective Java and other sources suggest that we should consider using composition over inheritance I often find mysel…… -
Distinguish between single click and double click in Java
I searched the forum and saw this Code: public void mouseClicked(MouseEvent e) { if (e.getClickCount() == …… -
An incompatible type error occurred while using code generated from the kotlin data class
If I decompile the data generated by the data class state Class file (Val B: List < array < int > >), then…… -
Java – memory exception analysis hprof file dump
This is related to this problem java. lang.OutOfMemoryError at android. graphics. BitmapFactory. nativeDecodeAsset(Nat…… -
Java – the problem of deleting cookies in servlets
I try to use this code to delete cookies in the servlet Cookie minIdCookie = null; for (Cookie c : req.getCookies()) …… -
What are the benefits of Java – lambda expressions for multi-core systems?
Java tutorials of lambda expressions say: My question is, according to multi-core systems and parallel / parallel prog…… -
Java – combining jax-rs and jax-ws
Is there a framework, library or technology that combines jax-rs and jax-ws (or equivalent) into a composite service, …… -
Implement Java util. Random. nextInt
This function is Java util. Random. It returns a pseudo-random int evenly distributed between 0 and a given n. unfortu…… -
Maximize Java heap space
I try to use a very large square matrix in Java, n = 1e6 or greater Matrices are not sparse, so I don't see many ways …… -
Best practices for dealing with memory leaks in large Java projects?
In almost all of the larger Java projects I've worked on, I've noticed that the quality of service of the application …… -
The shortest path to open a file in Java using encoding and readline()?
What is the shortest way to open a file and set its encoding using the readLine () method? Is the downlink correct and…… -
Java – eclipse ADT error: unable to run program ADB
On Ubuntu, I just installed the Android SDK ("SDK only") for 64 bit Linux Then I installed the ADT plug - in for eclip…… -
Java – restriction of the original buffer – loading partial data and shared strings
I want to check if the raw buffer is the best serializer I use, and my research has found no other approach message Al…… -
Java – = what’s the difference between = and =?
=What's the difference between and? Solution i += 4; i += 4; means i = i + 4; // increase i by 4. and i =+ 4; amount …… -
Java – BlackBerry thread model
I've read a lot of comments and mentioned that BlackBerry threading model deviates from Java standard and may cause pr…… -
Java 3D game engine?
Recently I entered minecraft, a 3D game made in Java I did several 2D java games without any external libraries or ide…… -
Java – how do I move my jmenubar to the on-screen menu bar on Mac OS X?
When I move jmenubar to the on-screen menu bar on Mac OS X, it will leave some blank areas and the menu will appear in…… -
javax. crypto. Which padding does cipher use for RSA
I need to decrypt messages through RSA to send messages through insecure channels, but I'm afraid of padding Oracle at……