AmakhompyuthaIzinhlelo

Ichaza ashukumisayo kanye nezici zayo

Array ibizwa ngokuthi i isethi ngaphambilini izakhi ngamunye kokuba othile (okufanayo) uthayipha. Afanayo kukhona static kanye ashukumisayo. ubude lokuqala olushiwo isinyathelo, okungukuthi, izinhlelo ngaphambi kokuqala kohlelo ukuba abantu babulawelwe kuzo, kwesibili - ngokuhamba kuqalisa.
Ukuze uthole afanayo static encazelweni Kufanele sizimisele enanini lama-elementi okuyinto ayikwazi ukushintshwa (ukwanda noma ukuncipha) phakathi nesimiso. Lapho uhlelo uqala, usebenzisa afanayo static ukuba abantu babulawelwe kuzo kumemori eziningi amabhayithi eyabelwe ukugcina izakhi zalo. Lokhu inani lememori bayonikezwa ohlelweni nje iqede umsebenzi wayo. Ngisho noma lokhu inkumbulo alisetshenziswa, akukho enye ikhodi ngeke bakwazi ukufinyelela kuwo.
ulimi lokwakha izinhlelo Pascal kungasebenza kuphela nge afanayo static. Ngakho-ke, uma ufuna ukusebenza ekulandelaneni obuphelele variable, kungenzeka ukuchaza isakhiwo, isibonelo, aphume izakhi eziyikhulu, wasebenzisa emazingeni ahlukahlukeneko wendlela inombolo ehlukile izakhi, esingeqile inombolo 100. Futhi akukhona ukuhlakanipha.
Le nkinga alikho endaweni oluhlanganisiwe ukuthuthukiswa imvelo eDelphi. Ichaza ashukumisayo ivumela incazelo alisho enanini lama-elementi, futhi ukucacisa sokusebenza yayo. Ichaza ashukumisayo lingachazwa e Var kwesigaba kanje:
Var Massive: afanayo inamba

Ngakho, isakhiwo, okhethwe isihlonzi Massive, ukulandelana komugqa inamba engaziwa (kuze kube manje) ubude. Ukusetha usayizi, uhlelo kumele afake isicelo inqubo SetLength, isibonelo, SetLength (Massive, 9). zithole Massive afanayo ashukumisayo ubukhulu kulingana nesibalo 9. Manje, ngabe kuhlonzwa ukuthi ukulandelana kukhona izakhi ayisishiyagalolunye Uhlobo lwenombolo, abalwa kusukela zero. Lezi zici abe afanayo ashukumisayo. Delphi yinqubo ukhulula inkumbulo iqoqo izinombolo, lapho kunendingeko enkulu khona yokugcina wanyamalala. Le nqubo QEDELA, kithi ke kuzosetshenziswa kanje: QEDELA (Massive).

Ngokufanayo, umuntu angachaza futhi zisebenza afanayo ashukumisayo multidimensional in eDelphi. Ngokwesibonelo, mgudumbili isakhiwo ashukumisayo uzobe bachazwa futhi ngalendlela:
Var Massive: afanayo afanayo inamba
Uma kudingekile, amakholomu kungaba anobude obungalingani. Liphinde ecacisiwe inqubo SetLength.

Ngokuvamile, ikakhulukazi izinhlelo ezinkulu futhi eziyinkimbinkimbi, abanye izakhiwo idatha asetshenziswa ngezikhathi ezithile, noma nje ekuqaleni / kwesimiso. Kwakungenxa 'zigciniwe "kungaba nokumosha kakhulu ukugcina kumemori. Ichaza ashukumisayo - yezindlela Kwabiwa okunengqondo izinsiza kohlelo computer. Nakuba has ezithile. Okokuqala, akusiyo njalo elula izinombolo izakhi kusuka ekuqaleni. Okwesibili, uMklami akufanele ngaso sonke isikhathi kumelwe liqondwe iphuzu ikhodi, isimo afanayo ashukumisayo ngamunye. Kodwa zako ukwenza iwubuphukuphuku kwabo bonke lobu bunzima. Ikakhulukazi, uma ufuna ukuba ithumele umthamo omkhulu idatha subroutine, ngeke akwenze ngaphandle imodi ashukumisayo ukumelwa.

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