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<h1>Objekter tilbyr tjenester</h1>
<p>Denne undervisningsmodulen viser at verdier ofte er objekter som ogs? tilbyr funksjonalitet knyttet til sin verdi. Slik funksjonalitet kaller vi tjenester tilbudt av et objekt. Eksempler p? dette er at et streng-objekt tilbyr ? gi ut sin verdi omgjort til store bokstaver eller at et liste-objekt tilbyr oss ? telle hvor mange ganger en gitt verdi finnes i listen. Dette er ogs? et frempek mot senere uker hvor man l?rer ? definere sine egne typer objekter med tjenester (klasser).</p>
<p>Begynn gjerne med ? se <a href="/studier/emner/matnat/ifi/IN1000/h20/screencasts/Objects_offer_services.mp4?vrtx=view-as-webpage">forelesings-screencast</a> om temaet. Du kan ogs? bla gjennom <a href="/studier/emner/matnat/ifi/IN1000/modules/Week3/Main_modules/Objects_offer_services/Objects_offer_services.pdf">slidene</a> eller se p? <a href="/studier/emner/matnat/ifi/IN1000/modules/Week3/Main_modules/Objects_offer_services/Objects_offer_services_code.zip">python-koden</a> gjennomg?tt under forelesingen.</p>
<p>N?r du har f?tt en viss oversikt over temaet er det sterkt anbefalt ? fors?ke ? l?se <a href="https://trix.ifi.uio.no/course/8?tags=objekt_tilbyr_tjenester%2Cuke3">oppgaver</a> om temaet tilpasset denne uken
(du kan ogs? se p? kun <a href="https://trix.ifi.uio.no/course/8?tags=objekt_tilbyr_tjenester%2Cuke3%2C?ving">basis-</a>
, <a href="https://trix.ifi.uio.no/course/8?tags=objekt_tilbyr_tjenester%2Cuke3%2Cmengde">mengdetrenings-</a>
eller <a href="https://trix.ifi.uio.no/course/8?tags=objekt_tilbyr_tjenester%2Cuke3%2Cutfordring">utfordrings</a>-oppgaver).<br/>
Om du kommer tilbake til denne modulen senere i faget (f.eks. for repetisjon) kan du gjerne se p? <a href="https://trix.ifi.uio.no/course/8?tags=objekt_tilbyr_tjenester">alle oppgaver</a> i Trix knyttet til dette temaet.
Om du st?r fast kan det v?re fornuftig ? g? tilbake igjen til forelesing eller slides.
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