Recent Posts
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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…… -
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 …… -
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 – 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, …… -
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 – 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 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 …… -
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…… -
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 – reverse method reverses the elements of the queue
This is not a hardware or task This is something I practice myself Given a queue, write a reverse method to reverse th…… -
Java – how to deserialize JSON arrays using gson
I want to use gson to deserialize a JSON array I tried to do it, but I couldn't JSON array: [ {"ID":1,"Title":"Lio…… -
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() == …… -
Serializing private variables in Java
I have a problem If my class has private variables without getters and setters, the serialization API will read the va…… -
Java – a way to reduce memory loss
background I have a spring batch program that reads the file (the size of the sample file I'm using is 4 GB), processe…… -
Java – use enumeration values instead of enumeration class names
I use static enumeration in the interface and want to use it in the extension class I have the following interfaces: p…… -
Oracle Text criteria query in JPA
Can I execute JPA criteria query using the contains statement of Oracle Text? If so, how? Solution Doubt API exists in…… -
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…… -
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…… -
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 …… -
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…… -
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() == …… -
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…… -
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…… -
Android processing time summary of various methods
This example shares various methods of Android processing time for your reference. The specific contents are as follow…… -
Unfortunate Java exception: Java lang.NoSuchMethodError
I wrote an application that worked for 3 years, but! INFO | jvm 1 | 2013/04/17 10:02:40 | Exception in thread "Th…… -
rx-java – rx. exceptions. Onerrornotimplementedexception how to avoid this error – it crashes my application
com. myapp. test. debug E / MessageQueue-JNI:rx. exceptions. OnErrorNotImplementedException Some questions... Why has…… -
Java – confusion between syncadapter, service, loader, provider and asynctask?
I'm a novice on Android. I'm reading documents and some tutorials@ H_ 419_ 2 @ service Solution Kaleb's answer has sev…… -
Java – are there any tips and tricks to make rhinoceros perform faster?
Are there any tips & Tips for rhinoceros to perform faster? I'm trying to use uglifyjs in rhino to compress large …… -
Java – in the eclipse workspace Recommenders and What are metadata and should they be synchronized between devices?
In order to work seamlessly on different windows 10 devices, I added an eclipse workspace in onedrive (onedrive / ecli…… -
Java – how to share business logic across multiple applications
We must develop and maintain many Java Web based applications of different sizes, ranges and lifetimes (for the same c…… -
The java web framework makes it easy to design the UI
I'm new to Java Web Can anyone recommend some useful and efficient web frameworks to create UI and develop code in Jav…… -
Java – basic spring MVC data binding
I'm learning spring MVC. I'm looking for a basic controller to view data binding, but I haven't tried anything I can p……