Recent Posts
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Java – JScrollPane ‘lazy’ scrolling, containing many components
I have a 3045 form! Components (1015 labels, 1015 text fields, 1015 combo boxes) All of these are in JPanel and JPanel…… -
Java – delete method binary search tree
I'm trying to implement a remove method for the BST structure I've been studying The following code contains the find,…… -
Java – the Eclipse Plug-in cannot find a class from the class folder
I am developing an eclipse plug-in and want to use some pre compiled classes. I have put these classes in the Lib / fo…… -
WinForms – why does mstest hang while waiting for windowsformssynchronizationcontext?
I have a custom windows forms control that contains mstest unit tests I added a @ r to this class_ 419_ 2271 @, I need…… -
Java – no JIT optimization
Look at this question: code: class test { public static void main(String abc[]) { for( int k=1; k<=…… -
Java – how do I read files from a jar archive?
See the English answer > How do I read a resource file from a Java jar file? 8 File file = new File("test.jar"); St…… -
Java – integrate hibernate validator with wicket
I have some entities, and some fields are annotated with hibernate validator, such as: @Entity public class MyEntity {…… -
Java – Android – create animated images of simulation type for mobile
I want to create a controller like simulator to move my character in the XML layout (which looks like Playstation or X…… -
Java – add a title to an existing PDF file using pdfbox
I'm trying to add headers to an existing PDF file It works, but the headers in the existing PDF are messed up by font …… -
Java – writing output data to a text file produces incomplete results in the text file
I have 14 lists, each with numeric or string data The size of each list is 32561 I must output a file in the format: l…… -
Java – is there any reason to use constants instead of messages?
I want to internationalize my GWT application After reading the documentation, I can't see why constants are used inst…… -
Java – JDK environment variable with Tomcat (Ubuntu 12.04)
In Ubuntu, I set up the JDK environment (java_home, jre_home), and Java version can be used >No Java defined_ Home …… -
JSF – deploying the primefaces application to glassfish4 will result in Java lang.NoClassDefFoundError：org / apache / commons / fileupload / FileItem
I want to use < p: calendar > in the JSF application I developed in NetBeans, so I added the primefaces library …… -
Java – is there any way to set the size of ArrayList after declaration?
For example, in a traditional array, I will declare an array like this: int array[]; Well, I'll initialize it later li…… -
Java collection is used for special scrolling and looping queues
I'm looking for something similar to concurrentlinkedqueue, but I have the following behavior: >When I view the () …… -
Java – use webdriver to click the link in the newly opened tab
Someone can help me in this situation: The scenario is: there is a web page, and I only open all specified links in th…… -
Java – object initialization using interfacetype
I've just come into contact with the Java programming language I have been programming in c# for two years When I brow…… -
JavaFX style sheets in OSGi packages
I've put "styles. CSS" in the root directory of my package, and now I'm trying to figure out how to link it in the cod…… -
jpa – java. Lang. illegalargumentexception: you tried to set a parameter value with a string name that does not exist in the query string
I have the following named query: @ h_ 502_ 7@ @NamedQuery( name = "Userdetails.findByUsername",query = "SELECT u …… -
Java – changing the value of an array through methods in class
This is my code: class Myclass { private static int[] array; public static void main(String[] args) { …… -
Is java – readfull() at risk of suffocation?
I notice that when I use readfull() on a file instead of read (byte []), the processing time is greatly reduced Howeve…… -
How to fix “missing return statement” in Java
I'm making a Java method for an Android application that returns the directory where the application should work in an…… -
Java – how to name getters / setters in Android projects
topic Suppose there is a public class named private int_ Private variable with xtouchdown = 0; What is the getter / se…… -
How to create custom binding types in JavaFX
I have a custom class named timeelapsed (it is immutable) Timeelapsed has a constructor that accepts a duration (which…… -
Can we add structures in Java?
I was asked this question in an interview and couldn't answer it I hope you can help me The question is: why don't Jav…… -
Java – how do I traverse an array and check for duplicates?
I'm creating a program that allows you to store 10 items in an array What I can't let the program do is that if one of…… -
What caused my program to hang without quitting normally? (pipeline, read system call, while loop)
I have a program. I write to the pipeline from several sub processes, and then try to read all messages written to eac…… -
Java – wicket dropdownchoice cannot use propertymodels normally
I've been trying to debug why my dropdownchoice is just a simple form. Only dropdown and a submit button don't work pr…… -
Running continuous commands linux using java runtime Exec
I need to run two linux commands using java code, as follows: Runtime rt = Runtime.getRuntime(); Process…… -
Java – Guice generic provider (the provider itself is generic, not its bound class)
There are many online resources on how to use Guice provider to bind to generic classes, such as wiki entries like thi…… -
Java – parse string date and time zone Eest EET
Parse the complete date toString(); @ H_ 502_ 7@ private final DateFormat dfFull = new SimpleDateFormat("EEE MMM dd HH…… -
The Java Sudoku generator does not work properly
I've been using Sudoku puzzle generator in Java. I wrote this class to generate puzzles, but it doesn't generate puzzl……