Cov txheej txheem:
Video: Thaum twg peb yuav tsum siv txoj hauv kev zoo li qub hauv C #?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Nov yog qee qhov piv txwv ntawm thaum koj xav siv txoj hauv kev zoo li qub:
- Thaum lub muaj nuj nqi tsis ua siv ntawm ib tug tswv cuab sib txawv .
- Thaum twg siv Hoobkas txoj kev tsim khoom.
- Thaum koj tswj hwm, lossis txwv tsis pub taug qab, tus naj npawb ntawm instantiations ntawm chav kawm.
- Thaum tshaj tawm tas li.
Hais txog qhov no, thaum twg peb yuav tsum siv txoj hauv kev zoo li qub hauv C#?
Ob qho tib si siv ntawm zoo li qub teb yog khaws ib tug suav ntawm cov khoom uas tau instantiated, los yog khaws ib tug nqi uas yuav tsum muab faib rau txhua qhov xwm txheej. Cov txheej txheem zoo li qub tuaj yeem overloaded tab sis tsis overridden, vim hais tias lawv nyob rau hauv chav kawm, thiab tsis yog rau ib qho piv txwv ntawm chav kawm.
Kuj Paub, peb puas tuaj yeem muaj txoj hauv kev zoo li qub hauv chav kawm tsis zoo li C#? Tsis tas li ntawd xwb, tab sis thaum tsis yog - cov chav kawm zoo li qub tuaj yeem muaj ob qho tib si zoo li qub thiab piv txwv txoj kev , cov chav kawm zoo li qub tsuas yog tso cai rau muaj cov txheej txheem zoo li qub . Txawm li cas los xij, cov txoj kev zoo li qub hauv qhov piv txwv chav kawm tau tsis yog hu rau ntawm qhov piv txwv tab sis tsuas yog nyob rau ntawm chav kawm nws tus kheej. // Hu rau txoj kev ntawm qhov piv txwv ntawm chav kawm.
Hais txog qhov no, thaum twg kuv yuav tsum siv txoj kev zoo li qub?
Siv static thaum koj xav muab cov chav kawm nkag mus rau a txoj kev , i.e. qhov txoj kev yuav tsum hu tau yam tsis muaj qhov piv txwv ntawm chav kawm. Cov txheej txheem zoo li qub tsis tas yuav tsum tau hu rau ntawm qhov khoom thiab qhov ntawd yog thaum koj siv nws. Piv txwv li: koj qhov Main() yog a zoo li qub thiab koj tsis tsim ib yam khoom los hu nws.
Dab tsi yog static class C#?
C# Static Class Ib C# chav kawm zoo li qub yog a chav kawm uas ua tsis tau instantiated. Lub hom phiaj nkaus xwb chav kawm yog muab daim ntawv qhia txog nws cov qub txeeg qub teg chav kawm . A chav kawm zoo li qub yog tsim los siv cov " zoo li qub "keyword hauv C# . A chav kawm zoo li qub tuaj yeem muaj zoo li qub cov tswv cuab nkaus xwb. Koj tsis tuaj yeem tsim ib qho khoom rau qhov chav kawm zoo li qub.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm qhov qub txeeg qub teg vs classical qub txeeg qub teg?
Yog li ntawd, tus qauv yog ib tug generalization. Qhov sib txawv ntawm cov qub txeeg qub teg thiab cov qub txeeg qub teg yog qhov qub txeeg qub teg qub qub yog txwv rau cov chav kawm qub txeeg qub teg los ntawm lwm cov chav kawm thaum cov khoom qub txeeg qub teg txhawb nqa cloning ntawm txhua yam khoom siv cov khoom sib txuas
Dab tsi yog txoj hauv kev zoo ntawm cov neeg siv kev lees paub thaum nkag mus rau lub computer?
Cov no suav nrog ob qho tib si kev lees paub dav dav (passwords, two-factor authentication [2FA], tokens, biometrics, transaction authentication, computer recognition, CAPTCHAs, and single sign-on [SSO]) as well as authentication protocols (xws li Kerberos thiab SSL/ TLS)
Thaum twg yuav tsum tau ib txoj kev zoo li qub?
Ib txoj kev zoo li qub yog nyob rau hauv chav kawm es tsis yog cov khoom ntawm chav kawm. Ib txoj kev zoo li qub tuaj yeem raug hu tsis tas yuav tsim ib qho piv txwv ntawm chav kawm. Tsis tas yuav tsim ib yam khoom kom nkag mus rau cov txheej txheem zoo li qub. Ib txoj kev zoo li qub tuaj yeem nkag mus rau cov ntaub ntawv zoo li qub
Dab tsi yog qee qhov tsis zoo ntawm lub sijhawm stamping txoj hauv kev rau kev tswj hwm kev sib raug zoo?
Qhov tsis zoo ntawm lub sij hawm stamping mus kom ze yog tias txhua tus nqi khaws cia hauv cov ntaub ntawv yuav tsum muaj ob lub sij hawm thwj ntxiv: ib qho rau lub sijhawm kawg ntawm daim teb tau nyeem thiab ib qho rau qhov hloov tshiab kawg. Lub sij hawm stamping yog li ua rau kom nco xav tau thiab cov ntaub ntawv ua haujlwm nyiaj siv ua haujlwm
Dab tsi yog qhov qub txeeg qub teg Dab tsi yog qhov sib txawv ntawm qhov qub txeeg qub teg piav nrog piv txwv?
Inheritance yog ib txoj hauv kev kom tau txais cov yam ntxwv thiab kev coj cwj pwm ntawm ib chav kawm los ntawm lwm chav kawm. Cov chav kawm uas cov tswv cuab tau txais qub txeeg qub teg yog hu ua chav kawm hauv paus, thiab chav kawm uas tau txais cov tswv cuab tam sim no hu ua chav derived. Inheritance siv IS-A kev sib raug zoo