Dab tsi yog kev siv cov lus qhia hauv C#?
Dab tsi yog kev siv cov lus qhia hauv C#?

Video: Dab tsi yog kev siv cov lus qhia hauv C#?

Video: Dab tsi yog kev siv cov lus qhia hauv C#?
Video: zoo nyob tag npaum no xoom ceev2 kom phev los tso mam saib seb yog leej twg 2024, Tej zaum
Anonim

Tsim ib siv cov lus qhia rau siv hom nyob rau hauv lub namespace yam tsis tas yuav qhia lub namespace. A siv cov lus qhia tsis muab rau koj nkag mus rau tej namespaces uas yog nested nyob rau hauv lub namespace koj teev. Cov neeg siv cov npe teev npe yog cov npe teev npe teev tseg hauv koj tus lej. Rau ib daim ntawv teev npe ntawm qhov system-txhais npe chaw, saib.

Ntawm no, lub npe chaw nyob hauv C # yog dab tsi?

Namespaces yog siv los muab "npe chaw" uas koj daim ntawv thov nyob. Lawv tau siv tshwj xeeb los muab cov C# compiler ib lub ntsiab lus rau tag nrho cov ntaub ntawv muaj npe hauv koj qhov program, xws li cov npe sib txawv. Tsis muaj cov npe Piv txwv li, koj yuav tsis tuaj yeem ua ib chav kawm npe hu ua Console, xws li.

Qhov thib ob, dab tsi yog siv System collections generic hauv C#? Qhov system . Kev sau . Kev sau . Ntau namespace muaj cov interfaces thiab cov chav kawm uas txhais generic collections , uas tso cai rau cov neeg siv los tsim kom muaj zog ntaus ntawv kev sau uas muab hom kev nyab xeeb thiab kev ua haujlwm zoo dua li tsis yog muaj ntaus ntawv heev kev sau.

Hais txog qhov no, dab tsi yog siv lo lus tseem ceeb hauv C #?

siv ( C# Reference) Cov siv lo lus tseem ceeb muaj peb yam loj siv: Lub siv cov lus qhia txhais tau hais tias qhov kawg ntawm qhov khoom yuav muab pov tseg. Cov siv cov lus qhia tsim ib qho alias rau lub namespace los yog imports hom teev nyob rau hauv lwm lub namespaces. Cov siv static directive imports cov tswv cuab ntawm ib chav kawm.

Dab tsi yog siv static hauv C#?

C# - Static . Cov zoo li qub lo lus tseem ceeb tuaj yeem siv rau ntawm cov chav kawm, hloov pauv, txoj hauv kev, cov khoom, cov neeg ua haujlwm, cov xwm txheej thiab cov tsim qauv. Txawm li cas los xij, nws tsis tuaj yeem siv nrog indexers, destructors lossis hom uas tsis yog chav kawm. Cov zoo li qub modifier ua ib yam khoom uas tsis yog-instantiable, nws txhais tau tias tus zoo li qub yam khoom tsis tuaj yeem instantiated.

Pom zoo: