Recent Posts
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Java – draw a line connecting two rectangles
I created my own class diagram application in swing / AWT, but I stopped this function: >I want to draw a line betw…… -
Java – how to set SWT label filling?
When I assign text to my tags, they wrap around it very closely, sometimes cutting the lower edge off 'p', 'y', etc I …… -
Java – does anyone run wicket applications on Google App Engine?
We have many wicket - based applications running on separate Java Tomcat servers We plan to transfer some of them to G…… -
Java data structure to simulate the data tree
I need help defining the method to use I have a soap response and give me an XML file I need to finally display 3 rela…… -
Java – restlet on Android – serialization issues
I'm trying to retrieve serialization classes using restlet 2.1, with Android as the client and gae as the server This …… -
Java – what is the most efficient way to load data from a file into a collection as needed?
I'm developing a java project that allows users to parse multiple files that may have thousands of lines The parsed in…… -
Java – izpack replaces variables in text files
I tried to figure out how to replace variables with izpack in text files It seems that it should be a simple thing, bu…… -
Java – JPA and MySQL transaction isolation level
I have a local query that can be inserted into MySQL database in batches: String sql = "insert into t1 (a,b) select x,…… -
Java – extends objects and inherits all variables
Suppose I have a car like object with 30 variables, from maximum speed to color I want to create a mycar object (class…… -
Can you reflect on private static methods in Java?
First of all, this is not some normal action I want to do, but this marginal situation involves a lot of legacy code t…… -
How to deal with the website database written in Java, more specifically wicket?
I'm new to web development in Java, but I've started using wicket and created a small web site I want to expand what I…… -
Java – best practice response getOutputStream
Allow users to download any comments about my code if(fileObject !=null) response.setHeader("Content-disposition","att…… -
How to convert Java util. The date object is converted to a restricted form of the canonical representation of datetime
I need to put Java util. The date variable is converted to a representation similar to the following 1995-12-31T23:59:…… -
Java – send invalid XML characters in soap request
I want to send special (&, '(single quotation mark)) characters in soap request I use axis 1.4 The web service cli…… -
Java – JUnit: Best Practices for developing test cases?
Technology: latest version of JUnit Some people use hard coded data in test cases, others use attribute files and some…… -
Java – put exceptions in your own sub package?
In the current package I'm working on for the project, I have about 13 different custom exceptions Is it a good idea t…… -
Java – analyze the jvisualvm configuration file – find the source of a large number of primitive types?
I'm trying to reduce the memory footprint of my application The objects that occupy the most space in the jvisualvm he…… -
How to read PGM images with Java?
I think I'm missing something simple here (as usual) I'm trying to read PGM images using Java Matlab does a good job –…… -
Java file I / O throughput drops
I have a program in which each thread reads multiple lines from a file at once, processes lines, and writes lines to d…… -
Java – hibernate interceptor save?
I need to intercept the post save of an entity in Hibernate, but all the contents I find are on the save. The entity i…… -
How to refresh Java serial InputStream?
I'm using javacomm and getting InputStream from the serial object I have a problem. Sometimes when the system starts, …… -
What is the good habit of Java agile integration testing Dao – > database?
What is the current good practice of Dao agile integration testing for real database schema in Java environment? By 'a…… -
Computing recursive steps in Java
I want to count the number of recursive steps and stop recursion when a certain limit is reached Actually, I'm dealing…… -
Help Java generics: cannot use “object” as parameter “? Extends object“
I have the following code: import java.util.*; public class SellTransaction extends Transaction { private Map<…… -
Java – JBoss security: Web XML and JBoss web xml
web. XML and JBoss web What is the relationship between XML? it seems that: > Jboss-web. xml >Specify the securi…… -
When using getresourceasstream, the findbugs “method may not be able to close the stream”
If I have the following code in the servlet: Properties p = new Properties(); p.load(getClass().getResourceAsStream("/…… -
Java – numeric assignment should throw an error
I'm doing some tests with number conversion and cast in Java, and I find this strange behavior (for me) class Test { p…… -
Java – Tomcat log request parameters
Is there any way to record request parameters in Tomcat? What if so? thank you. Solution Tomcat has a requestdumperfil…… -
Java – extract subgraphs from drawings using Jun?
I have a big picture. I'm using Jung I wonder if Jung provides a way to extract the two hop neighborhood of a vertex (…… -
JPA – jpql query select optional general Dao selection
I have retrieved the category object according to a valid JPA example: return (ArrayList<Category>) getEntityMan…… -
Sound format of game based on Java
I'm developing a java game that wants to bundle and play some sampled sound effects I'm going to use standard javax so…… -
Get superclass value in Java
I have two classes: public class A { int n = 10; public int getN() { return n; } ……