包含标签：Java 的文章
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java. sql. Sqlexception: IO exception: how to recover the damaged pipeline without restarting?
In my application, I use to connect to Oracle. When the connection is lost and I try to reconnect, I receive an except…… -
Java – jasperreports 5.6: unable to load the following fonts
The problem I face is that Jasper reports still can't find the Arial font I created a simple Maven project with the fo…… -
Java – JFrame: get the actual content size
I've created a JFrame, and trying to get its size will produce incorrect results compared to what I expected I've made…… -
Java – access all spring beans of a given type
I have a spring application (spring batch is not a web application) In the test class, I want to get access to all bea…… -
Bind nested object properties to tableview in JavaFX
I have the next class public class ProductStockDto extends private Long id; private Long amount; private…… -
Java – how to write a probabilistic algorithm that can be easily maintained?
Suppose I want to create a game At the beginning of the game, the player will choose a monster It's easy to choose mon…… -
Java – dynamodbmapper saves items only when unique
I try to keep the items in the table unique according to the combination of two different columns I have an instanceid…… -
Java – hide jcombox box arrow
Can I hide it JCombo@R_773_2419 @Arrows shown in I tried setting: combo.getComponent(0).setSize(new Dimension(1,1)); B…… -
How do I organize my java GUI?
I'm creating a game in Java for fun, and I'm trying to decide how to organize my classes for the GUI So far, all class…… -
Java – spring MVC: there are multiple @ modelattributes in the form processing operation
context I have a simple association between two entities - category and email (ntom) I'm trying to create a web interf…… -
Java – can dynamic proxies using JMX cause thread leaks?
I encountered problems in Java, where I set up a dynamic proxy with JMX interface, passing it to another component, an…… -
Java – spring security displays “bad credentials” even before submitting the form
I have the following spring safety code, but it doesn't work When I open the login page and enter the user name / pass…… -
Java – how to terminate matcher Find() when it runs too long?
I want to know the technology of terminating long-running regular expression matching (Java matcher. Find () method) M…… -
Java – add jdbc driver to classpath
OK, I set up my Maven correctly on win vista_ HOME,JAVA_ HOME. But I don't have a course path yet I also installed mys…… -
Java compiler of JDK 1.6: how to write class bytes directly into byte [] array?
So I recently learned about the new Java compiler API provided in JDK 1.6 This allows string to be compiled directly f…… -
Java – getting, (#803) there is no error in some aliases you requested
When I try to get data from Facebook using the graphics API, I get this error, {"error": {"message":"(#803) Some of th…… -
Java – libgdx: how to animate on an isometric tile map?
I have some questions about libgdx and Pingpu map I can use isometric tiled maprenderer as a renderer and orthographic…… -
Java – bit strings: check whether one bitstring is a subset of another
I represent this group of English letters as a 26 bit string The first bit corresponds to 'a', the setting bit corresp…… -
Java – how do I check if a byte array is empty?
I am using the following code to get the uploaded file @POST @Path("update") @Consumes(MediaType.WILDCARD) …… -
Java – how to ignore attributes with null values during deserialization from JSON
I am trying to deserialize a JSON string into a concurrenthashmap object, and I receive an error because my JSON conta…… -
Random enumeration of hash tables in Ocaml
Sorry, it's a long question I decided to explain the background of the problem first, because my problem may have othe…… -
Java – can regular expressions be used for jetty’s servlet mapping?
I have this mapping <servlet-mapping> <servlet-name>service</servlet-name> <url-pattern>/servi…… -
How to use the system Use multiple scanner objects on in?
What is the correct way to use multiple scanner objects in my program For example, I use a scanner to read a file, and…… -
What is the most valuable Java object database?
The most valuable Java object databases are: >Easy to use: one line of code stores any object. > Effective memor…… -
Java – the eclipse debugger “skips” important code
I have a strange problem debugging Android applications // Get the puzzles from cache List<PuzzleDetails> newPuz…… -
Java – activate SQL statements using hibernate and spring data JPA
I have a spring data JPA repository that uses hibernate as a provider I want to record SQL statements, but I can't I'v…… -
Java – how to calculate an average using mongodb and numberlong
I tried to use the mongodb Java driver to calculate the average value of the collection, as follows: DBObject conditio…… -
Java – how to create gradle sharedmanifest for multiple projects?
I have several Java projects These projects use gradle to create jar, war, and ear files In each project, I use manife…… -
Prime factorization of Java display numbers
Therefore, for my task, I must write a program that requires the user to input an integer, and then print out the prim…… -
Java – ormlite – how to create objects and populate external collections?
I'm trying to create an object and populate the members of the external collection held by the object in an operation …… -
Java – how to set the canvas size?
I have a class called seatspanel. I draw seats in the OnDraw method (using drawRect) The OnDraw method uses canvas as …… -
Java server faces: validate only in the business logic layer
I have a java server faces web application and I'm not sure how to handle validation In my opinion, validation should ……