包含标签：Java 的文章
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How do I display menus and panels in the same window of Java swing?
I have a JMenu. I want to change the contents of the window according to the buttons in the menu I try to display the …… -
Java – limits the size of the jtextarea to the size of its text
I have a fixed size (300 x 33) jtextarea with line feed enabled. I have added it to JPanel Whenever you type in it and…… -
Java should not be encouraged net. Httpurlconnection, because org apache. http. client. Is httpclient better?
I still see people using httpurlconnection to communicate with websites The forum also has many issues related to http…… -
Java – repaint swing JComponent after interval
I was assigned a project and I had to use the Gregorian calendar object in Java to make an analog clock First, we are …… -
Java – selenium 2 webdriver cannot find the link
I saw other problems about similar / same problems, but they didn't help me solve the problem: (. I logged in to the p…… -
How to get a clojure handle on a Java static method, similar to_ memfn_ Methods for Java instances?
To handle the Java instance methods that we can call later, we can call the memfn function: user=> (def g (memfn In…… -
Java – managing state in restful based applications
We are evaluating technologies for Web - based applications, and some suggestions are to adopt a restful service appro…… -
Data loss in file transfer – Java?
I have a fileserver and a fileclient. The server sends files when the client connects This is a simple program, just t…… -
Java – how do I move entities to X and y?
I'm looking for a way to move my entity (bullet) to X and y, which is the player's position when the bullet is fired S…… -
java – DiscriminatorFormula
If I have a table and I need multiple columns as discriminators, my only solution is to use @ discriminatorformula? I …… -
Why does the compiler generate enums in Java?
I really understand that it cannot extend any class to implement enumeration, because it means multiple inheritance Bu…… -
How do I listen to changes in vertex selection in Jung 2?
How do I listen to changes in vertex selection in Jung 2? I've been trying to use propertychangelister and changeliste…… -
Java – invocationtargetexception: the plug-in (bundle) “org. Datanucleus” has been registered
I'm trying to follow dataoucleus tutorial for JDO I'm using maven, and I've followed the enhancer instructions provide…… -
Java – spring: how to initialize bean a after bean B is loaded?
I have a beana whose constructor requires beanb Is there a way to do this? Another way is to call BeanB. after all bea…… -
Java – JTable and custom tablemodel
I try to implement a JTable on the Java GUI, which can fill in the values in the file and allow the user to modify eac…… -
Java array efficiency
I am not 100% sure that the mechanism is in action, so I decided to publish it here for further clarification I'm work…… -
Java – Google common cache – the default value of maximumsize (and other “optional” settings) – you want a cache that uses all “available” memory
I just found guava through the search cache API (it's perfect for my needs) In my opinion, a good default value for ma…… -
Java – how to define the label position of JRadioButton on NetBeans?
I want to define the label position of jradiobuttons on the buttonggroup on NetBeans so that the label is under its Ra…… -
java – File. Renameto() has no effect
I want to be able to rename the folder list to remove unnecessary characters (for example, dots and double spaces must…… -
Java – get the value from JTable as an integer?
I don't understand; I am using defaulttablemodel. My attempt is to get the values in the table as ints: Integer.parseI…… -
Java – how do I poll the FTP location to trigger changes in it?
I'm trying to poll FTP locations Solution I'm not sure how to achieve this goal in Jenkins If I'm just answering the m…… -
Java – exception in stackoverflow error of thread “main”
I am writing a program to verify whether the password meets the corresponding requirements I've written all the code a…… -
Java – you need to help run map to reduce wordcount jobs and data stored on Amazon S3
I'm trying to run the map reduce wordcount job on a text file stored in a bucket on Amazon S3 I have set up all the ne…… -
Extend the Java comparator to compare specific classes of interfaces that implement its comparison
I have a comparator like this: public class XComparator implements Comparator<X>,Serializable { } Currently used…… -
Java – compare string input
import java.util.Scanner; import java.util.Scanner; public class TrueFalseQuiz { public static void main(String[…… -
Java – Apache FOP and Arial fonts
My XSL style uses Arial font <fo:block font-family="Arial" font-size="8pt" font-weight="normal"> Configuration f…… -
Java – use JAXB to create reference objects based on attributes
Consider the following XML: <Config> <Paths> <Path reference="WS_License"/> </Pat…… -
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…… -
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 – Android custom view can only call OnDraw once
I made a custom view, which should animate the points on the background according to some external data (like the char…… -
Java – how do I extend the margins of the eclipse source formatter?
Whenever I use source > to format in eclipse, it contains lines starting at line 80 But my program has many long li…… -
java. lang.ClassCastException：java. Lang. integer cannot be cast to Java lang.Double
I'm running into a problem compiling this code, which gives me an error, Java Lang. integer cannot be cast to Java lan……