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Category Archives: java

FDS Summative

Use Java RMI to implement the summative.

See this tutorial

Java RMI

Keep interface simple. Do not use applets. Do not use java.net.concurrency package.

Synchronizing Threads

If two or more threads share a common resource, they must be synchronised.

Synchronizing Threads

Thread Scheduling

Execution of multiple threads on a single CPU in some order is called scheduling. Java supports a very simple, deterministic scheduling algorithm called fixed-priority scheduling.

Use yield() to relinquish the CPU.

Thread Scheduling

Semantic Web buzzwords

Semantic Web Tutorials

Semantic Web Portal

  • URI – Uniform Resource Identifier
    RDF – Resource
  • Description Framework (triple URI’s)
    Notation3: alternative RDF notation (no XML)
  • DAML+OIL – an ontology and inference langauge
  • Inference – being able to derive new data from data that you already know
  • Trust and Proof – Context and Digital Signatures
  • SEM – SEmantic Memory

Dublin Core – one of the first metadata vocabularies in RDF

AJUML update

Over the past week and a bit the AJUML lectures have been about Collections, Exceptions, Classes & Objects, JDBC and HTTP. We have a final lecture on Friday that will cover servlets/JSP. I am familiar with all of the course content so far so have not found it a struggle.

We have been set two formative assessments. The first assessment is a series of presentations. The second assessment is a programming exercise that models a simple one-player patience game with the option of extending the code to a two-player patience game such as Malice & Spite that can be played on the web.

The first round of presentations were about IDE’s. My group chose JBuilder 9 Enterprise Version. The second presentations concern UML with my group giving a presentation on Statecharts. I think we have one more presentation to do next week some time, not sure of the topic yet.

java.net community website

I have just joined the java.net community and I hope to find a project that I contribute to in the near future.

Java 1.5

Here’s the new stuff for Java 1.5 release: http://java.sun.com/developer/technicalArticles/releases/j2se15/

I’m a bit worried about starting the MSc as I am 15 months out of practice. When I return to the UK and get myself settled I’m gonna have to do an awful lot of catching up. Hopefully it’ll all come back to me.