Compare the two ArrayLists in java which contains same objects
Hi, I have a two ArrayList given below as sample. AccVO: compareKey,Amount fields List 1: AccVO[001,500] AccVO[002,600] AccVO[003,800] List2: AccVO[001,100] ...
java
Free java projects Online and download
Hai Guys, If any one know any site where i can download sample java projects ...
C++ vs Java constructors
According to John C. Mitchell - Concepts in programming languages, [...] Java guarantees that a constructor is called whenever an object is created. [...] This is pointed as a Java peculiarity which makes it different from C++ in its behaviour. So I must argue that C++ in some cases does not call any constructor for a class ev...
Spring - multiple command class with AbstractWizardFormController
Can i have a AbstractWizardFormController controller with different command class for each page ? ...
Struts2 URL with .action
I want the URL of the below format http://localhost/users/abc rather than http://localhost/users?name=abc How to achieve this in Struts2? ...
java locale getDisplayLanguage is missing a few locales
Hi, I'm using locale.getDisplayLanguage(otherLocale) to get display several languages names in one locale. If i'm using the following: Locale loc = new Locale("he","IL"); Locale loc2 = new Locale("fr","FR"); System.out.println(loc2.getDisplayLanguage(loc)); It doesn't print the french language name in Hebrew. Other locales that doesnt...
back button filter not working
Hello I have configured a filter to disable my browser back button and show the user as session expired. It is working as expected when i configure that in my application prototype but when i incorporated it to my (spring MVC) application it is not working. I have configured my filter like this <filter> <filter-name>backButtonFilter<...
Swing application framework for multilanguage application
Can the swing application framework be used to implement multilanguage swing applications? If so, how should it be done? Should I use multiple .properties files, one for each language? How can I let the system know which properties file to use then? Does anybody know a good tutorial for this? ...
Hibernate mapping
I got a table with a PK and a value "country", all my labels are definied in another table which has composite-ids. Does anyone has an example for me how I can map my country value to the correct label in the other table? mappings are bound on PK, if I'm not wrong. <class name="hibernate.P1" table="P1"> <id name="id" type="int...
Pros and Cons of JavaFX and Silverlight
I know there is already a question about the performance of Flex, JavaFX, and Silverlight. My question is a bit more broad: We are evaluating the merits of JavaFX and Silverlight to serve as the GUI technology that controls/configures our back-end service (currently written in Java). The service and GUI are usually on the same machine, ...
Deliver JMS message to all nodes in the cluster in Weblogic
Is there a way to configure WebLogic 9.x cluster to receive a JMS message on a single JMS queue address from remote client and that the message is delivered to each cluster node? Any links would be great. ...
Help with Vector.size() in Java
I'm implementing a Graph which holds "Book" objects as its nodes. The nodes are connected if the books share a keyword. The keywords for each book are held in a Vector within the Book class. To do this, I've created 3 classes. 1) Books 2) Vertex 3) Graph The Vertex class holds the Book object and also has a Vector containing all the ot...
Why doesn't my exam mark averaging code work?
I'm trying to get the program to let me enter a users name and then a mark and display the average. This is what I've tried: // Calculate Students Average of series of exam marks stored in an array import uulib.GUI; public class ExamMarks { public static void main(String[] args) { final int SIZE = 10; int[] marks = new int...
How to manage a custom user object in session when Spring Security autheticates user?
When Spring Security authenticates user, it creates a UserDetail object and it is available for finding current UserId in web-app. But let's say I want to keep a custom user object with preferences and other details along with UserDetails or Replacing UserDetails. So, how to add Custom User object to session when Spring Security authen...
PipedInputStream - How to avoid "java.io.IOException: Pipe broken"
I have two threads. One of them writes to PipedOutputStream, another one reads from corresponding PipedInputStream. Background is that one thread is downloading some data from remote server and multiplexes it to several other threads through piped streams. The problem is that sometimes (especially when downloading large (>50Mb) files)...
Multithreading - Avoiding and dealing with database deadlocks
I am looking for a good strategy of dealing with database deadlocks from within a Java 6 application; several parallel threads could, potentially, write into the same table at the same time. The database (Ingres RDMBS) will randomly kill one of the sessions if it detects a deadlock. What would be an acceptable technique to deal with the...
Solr - with LocalSolr for GIS Support Installation problems
Hello, I'm having trouble installing the LocalSolr component into my Solr setup. I'm running Solr on the following setup: Microsoft Windows Server 2003 R2 Apache Tomcat 6 Solr is running great guns.. however when trying to install the LocalSolr i'm getting the following message when trying to go to the Solr Admin Page: Dec 8, 20...
How to store mail password on server side?
I need to send e-mails from my application that is deployed on Weblogic 10.0. I try to put mail session properties on server side. Properties like mail.host or mail.debug work OK. But how do I configure password? Now I have it in spring configuration file: <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSender...
Calling equals on an ArrayList After Serialization
I am hitting a strange problem in relation to equals on an object transported over RMI. This has been wrecking my head for a few days now and I was wondering if anyone can help shed some light on the Problem. I have a Garage Class (that is also a JPA entity in case its relevant) that I push to a java process called X over RMI (So this o...
Java: Regex replacing
Hi, I have this String: foo bar 567 baz Now I want to add before each number the String num:. So the result has to be: foo bar num:567 baz Also this has to work: foo 73761 barbazboom!! 87 result: foo num:73761 barbazboom!! num:87 The regex to search number is this: [0-9]+ But I want to replace the matching substring with num: +...