包含标签：Java 的文章
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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(…… -
Java – convert strings to BigDecimal in Android
Hey, how can I convert a string to BigDecimal in Android This is my first activity: public class ViewCartActivity exte…… -
A program that helps when rendering java code?
I attended a conference where a moderator showed some Java 8 code examples in an application. I was looking for the na…… -
Java – ID generation of hibernate, liquibase and HSQLDB
I created a table with liquibase: <createTable tableName="employees"> <column name="id" type="bigint">…… -
How do I organize my java eclipse project so that users only need to import once?
How do I organize my java eclipse project so that users only need to import once? I'm developing a graphics library. I…… -
Java – stores floating point numbers in an Android database
I tried to store dollar amounts in the SQLite database provided by Android, but it didn't seem to work properly This e…… -
Generics in Java – interoperability with legacy code
I'm reading oracle http://docs.oracle.com/javase/tutorial/extra/generics/legacy.html This tutorial for But I can't fig…… -
How to combine two object arrays in Java
I have this little script to get information from Excel files After collecting the information I need, I want to combi…… -
Java – Maven build failed with an error: the artifact could not be found in the specified path – the path is slightly incorrect
Run this command: mvn package -Pcdh4 This is an error in Maven: [ERROR] Failed to execute goal on project hdfs-nfs-pro…… -
How to put JButton on jlabel?
I am using the NetBeans ide to create applications in Java swing In my application, I put multiple jinternalframes on …… -
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…… -
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…… -
Using mailto in Java?
I want to set up a hyperlink in my eclipse java project Solution Yes, you can use desktop mail() Desktop desktop = Des…… -
How to write ORM statements to return filtered data from data objects?
well. I've just started using orm in the ColdFusion application It has been going well until now I encountered this ob…… -
Java garbage collection and graphics processing methods
I am creating a game (snake clone) as a hobby I'm looking at the dispose method of the graphics class in the Java API …… -
Java – use custom accountauthenticator with multiple applications
I have two independent Android projects. One is the implementation of abstractaccountauthenticator for managing user a…… -
Java – can I expire all user sessions?
Can I expire all user sessions? I'm using tomcat, servlet / JSP In the session, I have a property userid On this basis…… -
Java – vaadin create modal dialog window
How to in vaadin 7 Create modal dialog window in X? I have found that I have a main window and added it to my new dial…… -
Get the range of values from the map in Java
Is it possible to get values that match a series of keys in a Java map Suppose I did, Map<Key,Value> //size 10,0…… -
Java date format is mmddhhmmss
I want to add a date to the file to maintain the archive So the file name is "cgroup0307131614", but I want to add a t…… -
How to synchronize scroll bars on JavaFX?
There are two textareas in my application. I want to synchronize the scrollbars when I move one of them But I can't fi…… -
Java – call the actionperformed method using normal class methods
I try to call actionPerformed () in a generic class method. I know it will be executed automatically as long as I pres…… -
Can Java be unstable and ensure visibility?
public class Stuff { public class Stuff { private final Timer timer = new Timer(true); public static final int DEF…… -
Java – why does my if conditional compare string fail?
This program execution does not enter the if condition public static void filterObject(ArrayList<treewalker.Variabl…… -
Java – when to throw an exception for a constructor
public Neocortex(Region rootRegion,ConnectionInterface functor) { public Neocortex(Region rootRegion,ConnectionInterfa…… -
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,…… -
Socket programming between Java and TCL
I have to write a program for a scenario in which a java program will communicate with a TCL program using socket prog……