Typed persistent data structure a la Clojure, done in Java?

Posted by Wilfred Springer on Stack Overflow See other posts from Stack Overflow or by Wilfred Springer
Published on 2010-04-30T19:54:01Z Indexed on 2010/04/30 19:57 UTC
Read the original article Hit count: 137

Filed under:

java

|

datastructure

|

immutable

In particular an immutable List with a cons operation would be welcome.

© Stack Overflow or respective owner

Related posts about java

Tomcat 6: Access Control Exception?

as seen on Server Fault - Search for 'Server Fault'
I'm trying to setup a tomcat6 server, and I'm trying to match another setup someone else established. However, my deployment (default Ubuntu install) uses a policy.d/ directory structure, and the established server just uses a catalina.policy file. I've tried setting every entry in policy.d to match… >>> More
Problem in creation MDB Queue connection at Jboss StartUp

as seen on Stack Overflow - Search for 'Stack Overflow'
I am not able to create a Queue connection in JBOSS4.2.3GA Version & Java1.5, as I am using MDB as per the below details. I am putting this MDB in a jar file(named utsJar.jar) and copied it in deploy folder of JBOSS, In the test env. this MDB works well but in another env. [ env settings and… >>> More
failing to establish connection between Postgres db and gwt

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I am using Postgres and gwt 2.0 for one of my applications. I am facing problem connecting to the database. When I try to connect it gives "ClassNotFoundException". Here is what I get when I try to connect to database: java.lang.ClassNotFoundException: org.postgresql.Driver at java.net… >>> More
failing to establish connection between postgre db and gwt

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, For i am using postgre and gwt 2.0 for one of my applications. I am facing problem connecting to the database. When i try to connect it gives "ClassNotFoundException". Here is what i get when i try to connect to database: java.lang.ClassNotFoundException: org.postgresql.Driver at java.net… >>> More
Migration and deployement problems JBoss 4.2.2.GA to JBoss 6.0.0.M2

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I'm trying to migrate an application running on JBoss 4.2.2.GA to JBoss 6.0.0.M2 I give you some log to explain my problem : boot.log : 2010-03-16 09:59:29,406 ERROR [org.jboss.system.server.profileservice.ProfileServiceBootstrap] (Thread-2) Failed to load profile: Summary of incomplete deployments… >>> More

Related posts about datastructure

A datastructure for Robotic Sort

as seen on Stack Overflow - Search for 'Stack Overflow'
I am trying to solve this problem : https://www.spoj.pl/problems/CERC07S/ I have identified that i need a datastructure in which reversing operations have lesser time complexity. I tried to create one using a doubly linked list, in which (i thought) reversing can be done in O(1) by just changing… >>> More
C# datastructure

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi Whats the best data structure for a 2D array of size unknown x 2. Which means one dimension is dynamic (list of grocery items) and the other is fixed (price and quantity). Thanks >>> More
Best datastructure for frequently queried list of objects

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello, I have a list of objects say, List. The Entity class has an equals method,on few attributes ( business rule ) to differentiate one Entity object from the other. The task that we usually carry out on this list is to remove all the duplicates something like this : List<Entity> noDuplicates… >>> More
Best datastructure for this relationship...

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a question about database 'style'. I need a method of storing user accounts. Some users "own" other user accounts (sub-accounts). However not all user accounts are owned, just some. Is it best to represent this using a table structure like so... TABLE accounts ( ID ownerID -> ID … >>> More
What would be the datastructure in following scenorio?

as seen on Stack Overflow - Search for 'Stack Overflow'
Please note that there is no limitation of memory. I need to insert int from 1 to 1000. I can do the following operations in constant order of time: push(), pop() and getMax() Please suggest me appropriate datastructure. >>> More