Dab tsi yog qhov sib xyaw hauv OOP nrog piv txwv?
Dab tsi yog qhov sib xyaw hauv OOP nrog piv txwv?

Video: Dab tsi yog qhov sib xyaw hauv OOP nrog piv txwv?

Video: Dab tsi yog qhov sib xyaw hauv OOP nrog piv txwv?
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Kev sib xyaw yog ib qho ntawm cov ntsiab lus tseem ceeb hauv object-oriented programming. Nws piav txog ib chav kawm uas hais txog ib lossis ntau yam khoom ntawm lwm chav kawm hauv cov piv txwv piv txwv. Qhov no tso cai rau koj los ua qauv muaj kev sib koom ua ke ntawm cov khoom. Koj tuaj yeem pom cov kev sib raug zoo li no tsis tu ncua hauv lub ntiaj teb tiag.

Ntxiv mus, dab tsi yog qhov sib xyaw nrog piv txwv?

Lub ntsiab txhais ntawm muaj pes tsawg leeg yog kev ua ntawm muab ib yam dab tsi ua ke, los yog kev sib xyaw ntawm cov ntsiab lus lossis cov khoom zoo. Ib piv txwv ntawm a muaj pes tsawg leeg yog kev ua paj. Ib piv txwv ntawm a muaj pes tsawg leeg yog ib phau ntawv. Ib piv txwv ntawm a muaj pes tsawg leeg yog li cas cov paj thiab vase tau teeb tsa hauv Van Gogh's painting Sunflowers.

Ib yam li ntawd, kev sib raug zoo yog dab tsi? Kev sib xyaw yog ib daim ntawv txwv ntawm Aggregation uas ob lub koom haum muaj kev vam khom rau ib leeg. Nws sawv cev ib feem ntawm kev sib raug zoo . Hauv muaj pes tsawg leeg , ob lub koom haum yog nyob ntawm ib leeg. Thaum muaj ib tug muaj pes tsawg leeg nruab nrab ntawm ob qhov chaw, cov khoom tsim tsis tuaj yeem nyob tsis muaj lwm qhov chaw.

Tom qab ntawd, lo lus nug yog, dab tsi yog qhov sib xyaw hauv C ++ nrog piv txwv?

Kev sib xyaw kev sib raug zoo yog ib feem-tag nrho kev sib raug zoo uas ib feem yuav tsum yog ib feem ntawm tag nrho cov khoom. Rau piv txwv , lub siab yog ib feem ntawm tib neeg lub cev. Ib feem hauv a muaj pes tsawg leeg tuaj yeem yog ib feem ntawm ib qho khoom ntawm ib lub sijhawm.

Kev sib xyaw thiab kev sib sau yog dab tsi?

Kev sib sau ua ke qhia txog kev sib raug zoo uas tus menyuam tuaj yeem nyob ntawm nws tus kheej ntawm niam txiv. Piv txwv li: Chav kawm (niam txiv) thiab Tub Kawm Ntawv (me nyuam). Rho tawm Chav Kawm thiab Cov Tub Kawm tseem muaj nyob. Kev sib xyaw qhia txog kev sib raug zoo uas tus menyuam tsis tuaj yeem nyob ywj pheej ntawm niam txiv. Piv txwv li: Tsev (niam txiv) thiab Chav (me nyuam).

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