包含标签：Java 的文章
-
Java – Jfilechooser in JPanel; How to let users choose
The default Jfilechooser works, but what I don't like is the fact that it pops up I'd rather have a GUI where all the …… -
Java – why doesn’t JPA automatically generate an ID for my row?
I want to use the sequence policy to automatically generate IDS, but I'm breaking my mind to make it work I have no id…… -
Java – how do you share a low-level utility class between packages without exposing it to a public API?
I have a library project. I want to restrict the public API, but I also have some low-level utility classes that are s…… -
Java me – is there a way to run J2ME (jar / JAD) programs without using the Sun Java wireless toolkit or any ide of J2ME?
I want to run my j2me program (jar / JAD) on my computer without using any ide or Sun Java wireless toolkit or somethi…… -
Format string in Java, in bytes
Suppose I have a string containing non ASCII characters in Java, I want to use string Format () so that the formatted …… -
Where can I download JRockit for Java 1.5
I checked the download page http://www.oracle.com/technetwork/middleware/jrockit/downloads/index.html , but only the J…… -
Generic / interface and tree structure in Java
I'm trying to create a tree structure (binary tree) that can accommodate two different types of classes (a sphere and …… -
Java – an effective way to parse the following strings?
I get the following response from the server as a string value_ One = 3342342& amps; value_ Two = 4563445& amp…… -
The compressed (zipped) folder is not a valid Java folder
I'm trying to use zipoutputstream to compress files from the server into a folder sourceFileName="./file.txt"' …… -
Java – JPA / Hibernate has too many increments for Oracle sequences
I use hibernate on my java project. I have Oracle dB For an ID column, I determine a sequence with an increment of 1 B…… -
A good java (Tomcat) soap Library
ANSVER： I have to develop a client / server system that uses Tomcat (6) as the server and the client created in C # T…… -
Java – how to write a method that accepts stacks and queues?
So I wrote this very big method If you give it a stack, it will return a stack If you give it a queue, it will return …… -
Java – error creating bean in quartz scheduler
I changed the quartz library from version 1.5 2 is changed to 2.1 2. Using its old version, the project runs and works…… -
Multithreading – why can’t signals / slots work with multiple threads?
class A : public QObject{ class A : public QObject{ Q_OBJECT signals: void a_sig(); public: A(){ } public sl…… -
In Java, enumeration What do you mean?
What is enumeration? > meaning? Is there any way to represent general purpose? Solution <？> Syntax is Java's…… -
Java: match regex and replace each character
I have a string, for example: There exists a word *random*. Random will be a random word How to replace each random ch…… -
How do I get a source object from documentlistener (documentevent)?
See English answers > how to find source component that generated a documentevent public void removeUpdate( Documen…… -
Java – find by object ID in Jongo
I know this question is very basic... I'm sorry I can't use Jongo to make an 'ID by ID' for Mongo I tried Iterator<…… -
Java – @ get can define consumption content type for jax-rs implementation?
I've been trying some examples on jaxrs (Jersey in this case) Here is my example stub implementation: @Path("stubservi…… -
Java – a try catch scenario – is it used correctly
I'm looking for a code base where the domain model consists of many nested member variables Consider this situation pr…… -
Java – advantages of PBE over DES, 3DES and AES
In addition to DES, 3DES and AES encryption technology, I also implemented PBE Compared with the other three, I need s…… -
Should our Javadoc classes extend abstract classes?
Suppose I'm writing a class "mywork" that extends the abstract class "work" Now, suppose that all the methods I need i…… -
Java – primefaces P: FileDownLoad with data table
I have a data table that returns all the files in the folder, and I can download the file using the primefaces P: File…… -
Validate multiple images using approvaltest
I have a way to generate some images (1. JPG, 2. JPG...) and write them to the file system I want to verify the result…… -
Java SWT link widget – how do I delete hyperlink underscores?
I know we can use: setText("<a> href="url"> Link </a>"); Create a link But this is emphasized I want a …… -
Java – get the correct conversion object from HashMap
I am developing an application with multiple systems (in my example, the system is a loadable component in my applicat…… -
Java – convert resource / stream to file
How can I do this? File myFile = getFile(this.getClass.getResourceAsStream("test.txt")) or File myFile = getFile(this.…… -
Why is’ invokespecial ‘used to call “methods” in Java?
Why is invokespecial used to call methods in < init > java? I've read it in many places, but I can't understand …… -
Java – throw an exception on a method call
How to throw and unsupportedoperationexception on a method? So, if I have an Iterable object and I try to disable the …… -
Java – do not update the fxml file in eclipse
When I use JavaFX, I encounter a strange behavior in eclipse. When I modify the fxml document in scenebuilder, I save …… -
Java selection: store images in jar or Base64 order?
I wrote a poker simulator / odds calculator On the GUI, there are some JCombo@R_271_2419 @The user can select the card…… -
Java servlet annotation
Is there a way to map URLs to methods using pure Java servlets instead of spring MVC request mapping? It's like: @GET(……