包含标签：Java 的文章
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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…… -
Java – rotate the image in the override paintcomponent (…) method
I just want to know how to use the paintcomponent () method of jlabel component to rotate the rectangular image and se…… -
JavaFX: drawing on ImageView with mouse
Use the mouse in ImageView I don't know any method of drawing on, such as using canvas? Solution My coming here is a g…… -
Vectorization insert element
I wrote an R function to insert a given element E at a given position P of vector v Here is: insert <- function(v,e…… -
Java JXL exception with largest row
I am creating an excel table from my vector, which contains 127923 records. When I try to enter records, I will encoun…… -
Boundaries in java games, how do “professionals” do this?
How do professionals make boundaries in 2D games? My way is to say that I don't want elves to enter an area: //Example…… -
Sort alphanumeric string Java
I have this array to store the suffixes of some URLs added by the user: [U2,U3,U1,U5,U8,U4,U7,U6] When I do this: for …… -
Synchronous multithreading in Java
I teach myself Java. I want to know about multithreading I created the myThread class, whose job executes a loop until…… -
Java 7 try with resources (autocolosable) implementation
My question is more about the type than how I know that there are the following jobs in Java 7: try ( File……