Recent Posts
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java – Android; Declare EditText in the class body (in any method)
I have programming language experience, but I'm a little new to Android programming I have a program that contains fie…… -
Java Swing multithreading and UI freezing
I can't think of this Using worker or invoker, the UI will still freeze After downloading each file, I want to update …… -
Java – using enum or string as static factory methods?
Would it be better to schedule to the correct object using enum or string to create it in a static factory method? Str…… -
Java – find unique entries in the list
List<Object> listObj = new ArrayList<Object[]>(); List<Object> listObj = new ArrayList<Object[]&g…… -
Java – how do I display jtextfield when I click an image?
So I'm trying to make this program that allows users to tag photos in Java (a bit like Facebook tags) I've finished lo…… -
Java renders XML documents as PDF
I have an XML document that is currently stored as a string in memory & I want to render it as PDF In other words,…… -
Java – enter int in print
I'm trying to fix the script I wrote: import java.util.Scanner; public class Line2 { public static void main (Stri…… -
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 – how do I get all singleton instances from Guice injector?
Is there a simple way to enumerate all singleton instances that Guice injector has created? Or another way to get all …… -
Gregorian calendar returns an incorrect day in Java_ OF_ WEEK
This Code: Calendar calendar; calendar = GregorianCalendar.getInstance(); calendar.set(year,month,day); week_day = cal…… -
Running Axis2 v.1. With JRE 5 / 6 6.2 what jars are needed to generate the client?
Which jars in the Axis2 distribution (version 1.6.2) are required to run the generated WebService client? There are se…… -
Java – what does it mean when someone says “the result is not thread safe”
When I read this document, I was writing an application specific Java HBase API wrapper: http://hbase.apache.org/apido…… -
Java – use final for if conditional
I know how to set int with final, as follows: final int junk = whatever ? 1 : 2; But how do you do this in a more comp…… -
Java – log4j filter out method
I want to turn off logging for a class method package com.mypackage; public class A { public static void aaa() { …… -
Java – is GWT uibinder inherited?
My model has a base class for crud forms In the template of this class, I have a save button In the extension class, I…… -
Java – logback creates a log file in a folder named the current date
In my current project, I want the date to create a log file, that is, the log file should reside in it The current app…… -
Java – Google Maps Android API V2 classnotfound runtime error
Editor: for those struggling, please check this link Pay close attention to it, but it works! The key part is to use k…… -
Java – why call JFrame Will pack () add extra space?
At first, the code I used worked well, but it was a little confusing After moving some parts of the method to the cons…… -
Java – integrating SCORM in LMS
I developed a learning management system using Java I must import and access SCORM courses in my LMS I'm in SCORM COM,…… -
Java – does a lot of annotated code affect the size of class files?
I have a code that I no longer need This is about 1000 lines So I just want to know if keeping this code in my java fi…… -
Best practice – how do I test for strings in Java?
I render some data according to conditions Support method execution to check whether the string exists But I don't kno…… -
Java – when to throw an exception for a constructor
public Neocortex(Region rootRegion,ConnectionInterface functor) { public Neocortex(Region rootRegion,ConnectionInterfa…… -
How do I call the implementation of generic enumeration in Java?
I'm trying to pass an enumeration to a method, iterate over the enumerated values, and call the methods that the enume…… -
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 – Android loadermanager confused with cursorloader
I tried to convert my Android application to use loadermanager and cursorloader Basically, I have a SQLite database wi…… -
Java – Best Practices for string instantiation
So why don't we use 'new' to create them? 14 In addition, whenever you want to instantiate a string object, do not use…… -
The Java class file was not created in the classes folder
I am compiling a java program with the following command: Ironically, the generated class file is created in the same …… -
Java – convert audio stereo to audio bytes
I'm trying to do some audio processing. I'm really stuck in stereo to mono conversion I checked the stereo to mono con…… -
Java EE – for web What is the meaning of false in the servlet definition in XML?
It seems that servlet's web XML has an element named <enabled>false</enabled> This can be placed in the se…… -
What values () do I see in the various CDI qualifiers in Java?
I see various references to values () in the @ qualifier definition An interface can allow enumeration, but I don't un…… -
Java Swing: changing text after delay
Basically, I have this game. Once I guess the correct answer, it starts a new game of new words I want to display corr…… -
In Java, all instances of person are linked to an object
I'm currently writing a program, but I found a problem The problem is that in the following loop, all instances of the……