Wicked Cool Java: Code Bits, Open-Source Libraries, and Project Ideas

By Brian D. Eubanks

Wicked Cool Java includes one hundred and one enjoyable, fascinating, and worthy how you can get extra out of Java. this is not meant as a Java tutorial--it's particular at builders and process architects who've a few simple Java wisdom yet is probably not acquainted with the wide variety of libraries to be had. choked with instance code and ideas for combining them in valuable initiatives, this e-book is ideal for hobbyists, and pros will locate guidance and open-source tasks to augment their code and make their jobs more straightforward. issues comprise changing a non-XML textual content constitution into XML utilizing a parser generator, experimenting with a Java simulator for the mobile Matrix, developing dynamic tune and sound in Java, operating with open-source category libraries for clinical and mathematical purposes, and lots of more.

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VisitWith(aVisitor); } This suits the identified subclasses of the association entity in SUMO. to go to every one node and show its URI, you’ll have to write a customer, utilizing Jena’s RDFVisitor interface. My SysoutVisitor type prints out the URI of every node that it visits. you are able to do extra fascinating issues with a customer along with simply printing a node’s worth, equivalent to traveling nodes hooked up to it by means of a specific estate. this is the code for SysoutVisitor: public type SysoutVisitor implements RDFVisitor { public item visitBlank(Resource r, AnonId identification) { procedure. out. println("anon: " + id); go back null; } public item visitURI(Resource r, String uri) { procedure. out. println("uri: " + uri); go back null; } public item visitLiteral(Literal l) { process. out. println(l); go back null; } } ninety C ha pt er four No Starch Press, Copyright © 2005 by means of Brian D. Eubanks There is a characteristic of the customer development that we could a customer go back a price, yet we aren't utilizing that function the following. To make this system do anything else rather than print every one node’s price, all you must do is plug in a unique customer. the former question fits the subsequent nodes: http://reliant. teknowledge. com/DAML/SUMO. owl#Corporation http://reliant. teknowledge. com/DAML/SUMO. owl#PoliticalOrganization http://reliant. teknowledge. com/DAML/SUMO. owl#EducationalOrganization http://reliant. teknowledge. com/DAML/SUMO. owl#JudicialOrganization http://reliant. teknowledge. com/DAML/SUMO. owl#ReligiousOrganization http://reliant. teknowledge. com/DAML/SUMO. owl#GovernmentOrganization http://reliant. teknowledge. com/DAML/SUMO. owl#Organization http://reliant. teknowledge. com/DAML/SUMO. owl#MercantileOrganization http://reliant. teknowledge. com/DAML/SUMO. owl#Manufacturer http://reliant. teknowledge. com/DAML/SUMO. owl#Government http://reliant. teknowledge. com/DAML/SUMO. owl#PoliceOrganization http://reliant. teknowledge. com/DAML/SUMO. owl#MilitaryOrganization http://reliant. teknowledge. com/DAML/SUMO. owl#MilitaryForce http://reliant. teknowledge. com/DAML/SUMO. owl#ParamilitaryOrganization Jena may also make rule-based inferences. you could create a data base, mix it with SUMO proof, and question the version whereas making use of matching ideas. See the documentation and instructional hyperlinks at the source web page for extra info. The W3C lately created its personal question language referred to as SPARQL, which matches very equally to Jena’s. See this book’s site for up to date details in this and different question languages. easily Logical: Lojban, RDF, and the Jorne undertaking Lojban (www. lojban. org) is a man-made spoken and written language according to the recommendations of predicate common sense. whereas it used to be designed for use by means of humans, it has a parseable grammar and based semantics that make it perfect for processing via desktops. Lojban defines phrases in response to predefined predicate root phrases known as gismu. each one root observe has a particular constitution linked to it, containing one to 5 slots that may be packed with nouns (Lojban calls this stuff sumti). for instance, the Lojban predicate “bevri” capability the act or strategy of wearing anything, and it capabilities very similar to a verb.

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