Okuqukethwe[Fihla][Bonisa]
- 1. Iyini ngempela i-C#?
- 2. Yini ehlukanisa i-C# ku-C?
- 3. Liyini ngempela ikilasi?
- 4. Iyini ngempela into?
- 5. Uyini umehluko phakathi kwamagama athi static, public, and void?
- 6. Chaza Abakhi.
- 7. Iyini i-C# ekuqoqweni kukadoti?
- 8. Ngabe isakhiwo sisho ukuthini ku-C#?
- 9. Ikhodi ye-C# ihlanganiswa kanjani?
- 10. Chaza ngokucacile amakilasi e-C# ahlukene.
- 11. Ayini ngempela ama-Jagged Arrays?
- 12. Uyini umehluko phakathi kwepharamitha yokuphuma neyokubheka?
- 13. Ku-C#, yini umbhubhisi?
- 14. Ku-C#, yini inkomba?
- 15. Uyini umehluko phakathi kwekhodi ephethwe nengaphethwe?
- 16. Chaza ukwenziwa kwe-serial.
- 17. Ku-C#, amasimu nezakhiwo zihluka kanjani komunye nomunye?
- 18. Ungakuchaza kanjani ukusebenzisa izitatimende ku-C# ngokuningiliziwe?
- 19. Ungazisebenzisa kanjani izindlela zokusebenzelana eziningi ezinegama lendlela efanayo ekilasini elifanayo?
- 20. Ku-C#, uyini umehluko phakathi kwe-Task and Thread?
- 21. Uyini umsebenzi wokuphothula ku-C#?
- 22. Yenza umehluko phakathi kokuphothula amabhlogo bese uphetha.
- 23. Chaza indlela ye-C# yokulahla ngokuningiliziwe.
- 24. Iyini i-C# Method Overloading? Cacisa.
- 25. Uyini umehluko phakathi kokufunda kuphela nokungaguquki?
- 26. Kuyini Ukulawulwa Kwabasebenzisi Nokulawula Ngokwezifiso?
- 27. Ku-C#, yini isihambeli sokusakaza okuningi?
- 28. Kuyini ngempela ukuhlanganisa into ku-C#?
- 29. Ayini ngempela amajenerikhi ku-C#.NET?
- 30. Ingabe kungenzeka ukweqa indlela eyimfihlo ye-virtual?
- 31. Hlukanisa phakathi kwendlela yokulayisha ngokweqile kanye nendlela yokweqa ku-C#?
- 32. Ku-C#, uyini umehluko phakathi kwe-String ne-StringBuilder?
- 33. Ziyini ngempela izihambeli?
- 34. Kufanele ukusebenzise nini ukufunda okuningi ku-C# futhi kufanele ukugweme nini?
- 35. Ku-C#, yini isihambeli sokusakaza okuningi?
- 36. Ku-C#, uyini umehluko phakathi kokubopha sekwephuzile nokubopha kwangaphambi kwesikhathi?
- 37. Uhlukanisa phakathi kwe-Directcast ne-Ctype?
- 38. I-HashSet isetshenziswa kanjani ku-C#?
- 39. Sicela uchaze ukuhlanganisa izintambo ku-C#.
- 40. Uyini umehluko phakathi kwamagama angukhiye we-Const ne-ReadOnly ku-C#?
- 41. Imiphi imininingwane mayelana nefayela le-C# XSD ongayinikeza?
- 42. Zisho ukuthini izindawo ze-Get and Set Accessor kuwe?
- 43. Uyini ngempela umjovo wokuncika ku-C#?
- Isiphetho
I-C# (ngaphambilini eyayaziwa ngokuthi i-C sharp) iwulimi lokuhlela olugxile entweni oluvame ukusetshenziswa onjiniyela ukwenza imisebenzi embalwa nokufeza imigomo eminingi.
Izilimi zokuhlela ezigxile entweni, njenge-C++, i-Python, ne-Java, ziza ngezindlela ezihlukahlukene. Lezi zilimi zokuhlela zenzelwe ukusebenza ngaphakathi kohlaka oluthile. Ngokufanayo, i-C# yakhiwe futhi yenzelwe uhlaka oluthile, okungukuthi, i-NET.
Uhlaka lwe-.NET lwakhiwe ngu Microsoft. Inikeza inkundla enkulu yokuthuthukisa izinhlelo zokusebenza, izimemezelo, imiyalelo yohlelo lokusebenza, nokunye. I-C# ingasetshenziselwa ukuthuthukiswa kwewebhu, imidlalo, Izinhlelo zokusebenza zeselula, izinhlelo zokusebenza zeWindows, namanye amaphrojekthi afanayo.
Ngezinzuzo ezinjalo, ukusetshenziswa kwe-C# kunwetshiwe, futhi isidingo sochwepheshe abangayisebenzisa ngokunembile sikhuphuke ngokuphindwe kabili. Ngoba i-C # idume kakhulu ulimi lohlelo, inqwaba yamafemu amakhulu namancane asekela imikhiqizo yawo kuwo.
Ngakho-ke, zijwayeze imibuzo eyisisekelo nethuthukisiwe yeleveli C# ukuze uqhubekisele phambili izingxoxo.
1. Iyini ngempela i-C#?
I-Microsoft C# iyinhloso yesimanje, ejwayelekile, uHlelo oluqondiswe entweni ulimi. I-C# ihloselwe Ingqalasizinda Yolimi Olujwayelekile (i-CLI), ehlanganisa ikhodi esebenzisekayo nendawo yesikhathi sokusebenza evumela ukusetshenziswa kwezilimi eziningi ezisezingeni eliphezulu ezinhlelweni zamakhompiyutha nezakhiwo ezihlukene.
2. Yini ehlukanisa i-C# ku-C?
U-C uvame ukwaziwa njengolimi lwenqubo, kanti i-C# igxile kakhulu entweni. Umehluko omkhulu ukuthi i-C# ivumela ukuqoqwa kukadoti okuzenzakalelayo nge-Common Language Runtime (CLR), kanti i-C ayikuvumeli. I-C# idinga ukuthi uhlaka lwe-.NET lusebenze, kanti u-C uwulimi oluzimele lwenkundla.
3. Liyini ngempela ikilasi?
Ikilasi lisebenza njengesifanekiso sezinto zokwakha. Kanye namasu, inezimfanelo. Kusukela ekilasini elilodwa, singakwazi ukukhiqiza izimo ezimbalwa zento.
4. Iyini ngempela into?
Isibonelo sekilasi esaziwa ngokuthi into yindlela esifinyelela ngayo ukusebenza kwekilasi. Ukwakha into, singasebenzisa igama elingukhiye "elisha". Imisebenzi, amalungu edatha, nokuziphatha kwekilasi elikhiqiza into esenkumbulweni kugcinwa.
5. Uyini umehluko phakathi kwamagama athi static, public, and void?
Noma yikuphi kuhlelo kungafinyelela okuguquguqukayo okuchazwe esidlangalaleni. Okuguquguqukayo okumile kungafinyelelwa emhlabeni wonke ngaphandle kwemfuneko yokwakha isibonelo sekilasi. Ku-C#, isilungisi sohlobo esibizwa ngokuthi i-Void sisetshenziselwa ukukhombisa uhlobo lokubuyisela lwendlela.
6. Chaza Abakhi.
Umakhi umsebenzi welungu othize ngokwesigaba. Uma into yakheka, umakhi ubizwa ngokuzenzakalelayo. Ikilasi lakha wonke amanani amalungu edatha njengoba iqaliswa.
7. Iyini i-C# ekuqoqweni kukadoti?
Inqubo yokuhlanza inkumbulo ebilokhu igcwele izinto ezingafuneki yaziwa njengokuqoqwa kukadoti. Inani elithile lememori linikezwa ngokuzenzakalelayo entweni yekilasi uma yenziwe kumemori yenqwaba. Manje njengoba usuqedile ukusebenza entweni, isikhala senkumbulo ebikade inaso siyamoshakala. Inkumbulo kufanele ikhululwe.
8. Ngabe isakhiwo sisho ukuthini ku-C#?
Ku-C#, isakhiwo siwuhlobo lwedatha olwakhiwe izinhlobo eziningi zedatha, njengezindlela, izinkambu, abakhi, ama-constants, izakhiwo, izinkomba, ama-opharetha, kanye nezinye izakhiwo. Isakhiwo sisiza ekuhlanganisweni kwezinhlobo eziningi zedatha zibe iyunithi eyodwa. Ngale ndlela, zifana nezifundo. Izakhiwo ziyizinhlobo zenani, kuyilapho amakilasi eyizinhlobo zereferensi.
9. Ikhodi ye-C# ihlanganiswa kanjani?
Uma iphrojekthi idaliwe, ikhodi yomthombo ye-C# ihlanganiswa ibe Ulimi Oluphakathi (IL). I-IL iqoqo lemiyalo ekhiqiza ikhodi yomshini ukuze isetshenziswe kuphrosesa yomshini. Ikhodi ithunyelwa isuka ku-preprocessor iye kumdidiyeli, bese iye kumhlanganisi, bese ekugcineni iye kusixhumi ngezigaba ezine.
10. Chaza ngokucacile amakilasi e-C# ahlukene.
- I-Static: Wuhlobo lwekilasi olungakwazi ukuqinisekiswa, ngakho-ke asikwazi ukusebenzisa igama elingukhiye elisha ukwenza into yalo, kodwa singabiza amalungu ekilasi ngokuqondile ngokusebenzisa igama lekilasi lawo.
- Abstract: Ukuchaza amakilasi abstract, sebenzisa igama elingukhiye elingabonakali. Azikho izinto ezingadalelwa amakilasi angabonakali. Kufanele izuzwe njengefa ku-subclass uma ufuna ukuyisebenzisa. Izincazelo ezilula zezindlela ezingabonakali nezingezona ezingabonakali zivunyelwe ngaphakathi kwesigaba se-Abstract.
- Ngokwengxenye: Lesi sigaba sikuvumela ukuthi uhlukanise izakhiwo zakho, izindlela, kanye nemicimbi ibe amafayela womthombo amaningana, ahlanganiswa abe isigaba esisodwa ngesikhathi sokwakha.
- Livaliwe: Isigaba esivaliwe asikwazi ukuzuzwa kwesinye isigaba futhi sinezici ezinomkhawulo. Izilungisi zokufinyelela azikwazi ukungezwa ekilasini elivaliwe.
11. Ayini ngempela ama-Jagged Arrays?
Amalungu afanayo anezici zamalungu afanayo abizwa ngokuthi uhlu olumangelengele. Ama-elementi e-Jagged Arrays angaba yizimo nosayizi abaningi.
12. Uyini umehluko phakathi kwepharamitha yokuphuma neyokubheka?
Lapho unikeza impikiswano njenge-ref, ipharamitha kufanele iqaliswe ngaphambi kokuba idluliselwe endleleni. Ipharamitha yokuphuma, ngakolunye uhlangothi, ayidingi ukuqaliswa ngaphambi kokuba inikezwe indlela.
13. Ku-C#, yini umbhubhisi?
Umbhubhisi uhlobo lwendlela ku-C# eyingxenye yekilasi. Umsebenzi oyinhloko wombhidli ukususa izimo zekilasi lapho zingasadingeki ukuze kukhululwe inkumbulo. Ngezinye izikhathi ababhidlizi baziwa ngokuthi abaphothule.
14. Ku-C#, yini inkomba?
Izikhombo zisetshenziswa ku-C # ukuthola izimo zekilasi noma isakhiwo. Ngakho-ke amanani akhonjiwe angafinyelelwa ngendlela efanayo kumalungu afanayo, kodwa ngaphandle kokusho ngokucacile uhlobo noma ilungu lesibonelo.
15. Uyini umehluko phakathi kwekhodi ephethwe nengaphethwe?
Ikhodi ephethwe ikuvumela ukuthi usebenzise ikhodi kuhlaka lwe-.NET endaweni ephethwe ye-CLR yesikhathi sokusebenza.
Ikhodi elawulwayo isetshenziswa endaweni ephethwe yesikhathi sokusebenza esikhundleni sesistimu yokusebenza. Ihlinzeka ngezinsizakalo ezahlukahlukene ezifana nokuqoqwa kukadoti, ukuphatha okuhlukile, nokunye.
Ikhodi engaphethwe ikhodi engasebenzisi ku-CLR futhi esebenza ngaphandle kohlaka lwe-.NET. Abahlinzeki ngezinsiza zolimi ezisezingeni eliphezulu yingakho besebenza ngaphandle kwazo. I-C++ ingesinye sezibonelo ezinjalo.
16. Chaza ukwenziwa kwe-serial.
Kufanele kudalwe ukusakazwa kwamabhayithi entweni ukuze kudluliselwe kunethiwekhi. I-serialization isenzo sokuguqula into ibe uchungechunge lwamabhayithi. I-Serialize Interface kufanele isetshenziswe ukuze into ikwazi ukuphinda ihlukaniseke. Okuphambene nokwakha into kusuka kumabhayithi kubizwa ngokuthi i-de-serialization.
17. Ku-C#, amasimu nezakhiwo zihluka kanjani komunye nomunye?
Inkambu iyilungu lekilasi noma into yanoma yiluphi uhlobo esebenza njengendawo yokugcina idatha, kanti indawo iyilungu lekilasi elinikeza indlela yokufunda, ukubhala, nokubala inani lenkundla yangasese.
18. Ungakuchaza kanjani ukusebenzisa izitatimende ku-C# ngokuningiliziwe?
Isitatimende sokusebenzisa sisetshenziselwa ukukhawulela ukusetshenziswa kwensiza eyodwa noma ngaphezulu ngaphakathi kohlelo lokusebenza. Izinsiza zisetshenziswa futhi zidedelwa njalo.
Umsebenzi oyinhloko walesi sitatimende ukuphatha izinsiza ezingafunwa futhi uzikhulule ngokuzenzakalelayo. Uma into esebenzisa insiza isibunjiwe, qiniseka ukuthi umsebenzi wokulahla wento ubizwa ukuze ukhulule izinsiza ezidingwa yileyo nto; lapha yilapho ukusebenzisa izitatimende kusiza khona.
19. Ungazisebenzisa kanjani izindlela zokusebenzelana eziningi ezinegama lendlela efanayo ekilasini elifanayo?
Ukuze usebenzise ukuxhumana okumbalwa okunegama lendlela efanayo, gwema ukukusebenzisa ngaphakathi komzimba womsebenzi. Esikhundleni salokho, uzonikezela ngegama lesixhumi esibonakalayo ngqo emzimbeni wendlela. Umhlanganisi uzobona ukuthi yiziphi izindlela zokusebenzelana okubhekiselwa kuzo, elungisa inkinga.
20. Ku-C#, uyini umehluko phakathi kwe-Task and Thread?
Uchungechunge luwuchungechunge lweSistimu Esebenzayo lwangempela olunesitaki salo nezinsiza ze-kernel. Uchungechunge lunikeza ukulawula okukhulu. Intambo ikuvumela ukuthi Uchithile (), Misa (), noma Qalisa Kabusha (). Isimo se-A Thread singabonwa noma izici zayo, njengosayizi wesitaki, indawo yokuhlala, namasiko, zingasethwa. I-CLR igcina inqwaba yemicu egoqwe yi-ThreadPool.
I-Task Parallel Library inekilasi elibizwa ngokuthi Umsebenzi. Ngokungafani ne-ThreadPool, i-Task ayinayo intambo yayo ye-Operating System. Imisebenzi yenziwa i-TaskScheduler, nakuba isihleli esimisiwe senziwa yi-ThreadPool. Kungenzeka ukuthi waziswe uma umsebenzi usuqediwe futhi uthole umphumela.
21. Uyini umsebenzi wokuphothula ku-C#?
Isigaba sento esisetshenziselwa ukuhlanza izenzo sichaza umsebenzi wokuqedela (). Uma ireferensi yento ingasetshenziswa isikhathi eside, umqoqi kadoti uzovame ukubiza lo msebenzi.
Umqoqi kadoti ukhulula ngokuzenzakalelayo izinsiza ezilawulwayo, kodwa uma ufisa ukukhulula izinsiza ezingadingeki njengezibambi zefayela, ukuxhumeka kwedatha, nokunye, kufanele usebenzise ngokusobala umsebenzi wokuphothula.
22. Yenza umehluko phakathi kokuphothula amabhlogo bese uphetha.
Ibhulokhi eqediwe ibizwa ngemuva kokuthi amabhlogo wokuzama nokubamba eseqediwe njengoba edingeka ekuphatheni okuhlukile. Ibhulokhi yekhodi isetshenziswa kungakhathaliseki ukuthi okuhlukile kubanjiwe. Ikhodi yebhulokhi ngokuvamile ihlanzekile.
Indlela yokuphothula isetshenziswa ngaphambi nje kokuqoqwa kukadoti. Izibopho ezinkulu zendlela eqediwe ukusula ikhodi engaphethwe, eqalwa ngokuzenzakalelayo noma nini lapho isenzakalo singaphinde sibizwe.
23. Chaza indlela ye-C# yokulahla ngokuningiliziwe.
Umsebenzi we-disposeof() ukhulula izinsiza zento ezingasetshenzisiwe. Izinsiza ezingasetshenzisiwe, njengamafayela, ukuxhumana kwedatha, nokunye. Lo msebenzi ucaciswe kusixhumi esibonakalayo se-ID esisebenzisekayo, esisetshenziswa isigaba ngokumemezela umzimba olahlekayo we-ID.
Umsebenzi wokulahla awubizwa ngokuzenzakalelayo; umhleli kufanele ayisebenzise mathupha ukuze kusetshenziswe insiza ngempumelelo.
24. Iyini i-C# Method Overloading? Cacisa.
Indlela yokulayisha ngokweqile iyindlela evamile ku-C# esetshenziselwa ukwakha inani lezindlela ezinegama elifanayo namasiginesha acacisiwe. Le nqubo iphindaphindiwe ngeklasi elifanayo.
Uma inqubo yokulayisha ngokweqile isiqediwe, umdidiyeli uqala ukusebenza ukuze abize izenzo ezishiwo ngokusekelwe endleleni yokulayisha ngokweqile.
25. Uyini umehluko phakathi kokufunda kuphela nokungaguquki?
Okuguquguqukayo okuqhubekayo kuyamenyezelwa futhi kuqaliswe ngesikhathi sokuhlanganiswa. Ngemva kwalokho, leli nani alikwazi ukuguqulwa. Ngakolunye uhlangothi, ukufunda kuphela kusetshenziswa uma inani selinikiwe ngesikhathi sokusebenza.
26. Kuyini Ukulawulwa Kwabasebenzisi Nokulawula Ngokwezifiso?
Ikhodi ehlanganisiwe isetshenziselwa ukuthuthukisa izilawuli zangokwezifiso. Lezi zingase zifakwe ebhokisini lamathuluzi futhi kulula ukuzisebenzisa. Ngokuhudula nokubeka lezi zilawuli, onjiniyela bangase bazifake kumafomu abo ewebhu.
Izilawuli zabasebenzisi namafayela afakwe ku-ASP afana ncamashi. Futhi kulula ukwenza. Izilawuli zomsebenzisi, ngakolunye uhlangothi, azikwazi ukwengezwa ebhokisini lamathuluzi. Akwazi futhi ukudonswa futhi awiswe kuwo.
27. Ku-C#, yini isihambeli sokusakaza okuningi?
Isithunywa sokusakaza okuningi sigcina izithenjwa noma amakheli emisebenzi embalwa ngesikhathi esisodwa. Uma sinxusa isithunywa sokusakaza okuningi, sizophinda sicele yonke eminye imisebenzi esibhekise kuyo. Ukubiza izindlela ezimbalwa, sebenzisa yonke indlela yesiginesha, njengomthunywa. Njengesibonelo:
28. Kuyini ngempela ukuhlanganisa into ku-C#?
Ukuhlanganisa izinto kuyindlela yokuklama kusofthiwe evuselela izinto esikhundleni sokuzakha kabusha. Ifeza lokhu ngokugcina izinto ezikhethiwe echibini futhi izenze zitholakale ukuze zisetshenziswe uma isicelo sizicela. Le nqubo ithuthukisa ukusebenza ngokunciphisa ukukhiqizwa kwezinto okungadingekile.
29. Ayini ngempela amajenerikhi ku-C#.NET?
Amajenerikhi asetshenziselwa ukudala amakilasi ekhodi asebenziseka kabusha ukuze kwehliswe ukuphindaphindeka kwekhodi, kuthuthukiswe ukuphepha kohlobo, futhi kuthuthukiswe isivinini. Singakha amakilasi eqoqo ngamajenerikhi.
Kusistimu, indawo yamagama ejwayelekile kufanele isetshenziswe esikhundleni samakilasi afana ne-ArrayList. Isikhala segama samaqoqo. Ukusetshenziswa kwezinhlobo zamapharamitha kukhuthazwa amajenerikhi.
30. Ingabe kungenzeka ukweqa indlela eyimfihlo ye-virtual?
Indlela eyimfihlo ye-virtual ayikwazi ukukhishwa njengoba iyimfihlo ekilasini futhi ayikwazi ukufinyelelwa ngaphandle kwayo.
31. Hlukanisa phakathi kwendlela yokulayisha ngokweqile kanye nendlela yokweqa ku-C#?
Ukweqa indlela inqubo yokushintsha incazelo eyisisekelo yekilasi elitholiwe. Izindlela zesigaba esitholiwe ekugcineni ziziphatha ngendlela ehlukile ngenxa yalelisu.
Indlela yokulayisha ngokweqile, ngakolunye uhlangothi, ingachazwa njengesenzo sokukhiqiza izindlela eziningi ezinegama elifanayo kodwa amasiginesha ahlukile ngaphansi kwesigaba esifanayo.
32. Ku-C#, uyini umehluko phakathi kwe-String ne-StringBuilder?
Into yochungechunge ayiguquleki, okusho ukuthi ayikwazi ukuguqulwa uma isidaliwe. Noma yimuphi umzamo wokushintsha into yochungechunge uzoholela ekudalweni kwento entsha yeyunithi yezinhlamvu.
Ngakolunye uhlangothi, into yokwakha iyunithi yezinhlamvu iyathandeka futhi ingashintshwa njengoba unjiniyela ebona kufanele.
33. Ziyini ngempela izihambeli?
Ku-C++, izithunywa ziyafana ngokuyisisekelo nezikhombi zokusebenza. Umehluko kuphela phakathi kwalokhu okubili ukuthi izithunywa ziphephile ngohlobo kanti izikhombisi zokusebenza azikho. Izithunywa ziyadingeka ngoba zinika amandla ukwakhiwa kwemisebenzi ephephile yohlobo olujwayelekile.
34. Kufanele ukusebenzise nini ukufunda okuningi ku-C# futhi kufanele ukugweme nini?
I-Multithreading, ngokuvamile eyaziwa ngokuthi i-threading, iyindlela ephumelelayo yokwandisa isivinini sohlelo lapho imisebenzi eminingi yenza ngesikhathi esisodwa. Ivumela uchungechunge oluhlukahlukene ukuthi lusebenze ngokuzimela, kunokulinda ukuthi isinyathelo esandulele siqedwe. Lokhu kunamandla okukhulisa isivinini sohlelo.
Kodwa-ke, lapho izinqubo ezimbalwa zohlelo zixhumene, ukufunda okuningi akunconyiwe. Isibonelo, uma Isinyathelo B besincike ekutheni Isinyathelo A siqedwe kuqala, ukufunda okuningi bekungabangela ukukhathazeka kokusebenza namaphutha esofthiwe. Ukucutshungulwa kuya ngokuya kuzwela njengoba uhlelo luba yinkimbinkimbi.
35. Ku-C#, yini isihambeli sokusakaza okuningi?
Isithunywa sokusakaza okuningi ku-C#, ngokungafani nesithunywa esiyisisekelo, sibhekisela ezindleleni eziningi eziqondiwe. Uma kusetshenziswa isithunywa sokusakaza okuningi, yonke imisebenzi ekhonjwe yisithunywa iyabizwa. Zenziwa ngosizo lwekilasi lesistimu ye-MulticastDelegate.
36. Ku-C#, uyini umehluko phakathi kokubopha sekwephuzile nokubopha kwangaphambi kwesikhathi?
- Ukubophezela kusenesikhathi kwenzeka ngesikhathi sokuhlanganisa, kanti ukubopha sekwephuzile kwenzeka ngesikhathi sokusebenza.
- Ukubopha sekwephuzile kuvame ukuhamba kancane kunokubophezela kwangaphambi kwesikhathi njengoba kwenzeka ngesikhathi sokusebenza.
- Ngokuphambene nokubopha sekwephuzile, okusebenzisa into ukuze kuxazululwe amakholi ezindlela, ukubopha ngaphambi kwesikhathi kuxazulula amakholi ezindlela kusetshenziswa ulwazi lwekilasi.
37. Uhlukanisa phakathi kwe-Directcast ne-Ctype?
Uhlobo lwento oludinga uhlobo lwesikhathi sokusebenza ukuze lufane nohlobo olucacisiwe ku-DirectCast luguqulwa kusetshenziswa i-DirectCast.
Uma ukuguqulwa kucacisiwe phakathi kwenkulumo nohlobo, i-Ctype iyasetshenziswa.
38. I-HashSet isetshenziswa kanjani ku-C#?
Ku-C#, i-HashSet iqoqo elingahlelekile lamanani ahlukile. Ngokuvamile, isetshenziselwa ukuvimbela izici eziyimpinda ukuthi ingafakwa eqoqweni, futhi isebenza kangcono kunohlu kulo msebenzi.
Isigaba se-HashSet, esehla ku-System, sisetshenziselwa ukusisebenzisa.
39. Sicela uchaze ukuhlanganisa izintambo ku-C#.
Ku-C#, i-thread pool iqoqo lezintambo. Lezi zintambo zisetshenziselwa ukwenza imisebenzi ngaphandle kokuphazamisa ukusebenza kochungechunge oluyinhloko. Intambo echibini lentambo ibuyela echibini lapho isiqedile ukusebenza.
Ikilasi leSistimu liqukethe amakilasi aphatha intambo ku-pool pool nezenzo zayo. Uchungechunge. I-ThreadPool yindawo yamagama.
40. Uyini umehluko phakathi kwamagama angukhiye we-Const ne-ReadOnly ku-C#?
- I-ReadOn kuphela ayikwazi ukumenyezelwa ngaphakathi kwendlela, kuyilapho u-Const engakwazi.
- I-Const iyinhlangano yesikhathi sokuhlanganisa, kanti i-ReadOnly iyisikhathi sokusebenza esingaguquki.
- Amanani e-ReadOnly angashintshwa, kodwa amanani e-Const awakwazi.
41. Imiphi imininingwane mayelana nefayela le-C# XSD ongayinikeza?
I-XSD imele i-XML Schema Definition. Uma lingekho ifayela le-XSD elixhunywe nefayela le-XML, lingaba nanoma yiziphi izibaluli, izakhi, namathegi. Ifayela le-XSD lihlinzeka ngohlaka lwefayela le-XML, elinquma ukuthi yiziphi izingxenye nezibaluli okufanele zibe khona kufayela le-XML kanye nokuhleleka kwazo.
42. Zisho ukuthini izindawo ze-Get and Set Accessor kuwe?
Ku-C#, Thola futhi Setha kubize izisekeli njengoba zenziwa kusetshenziswa izakhiwo. Indawo ivumela ukufunda nokubhala kube inani lenkundla yangasese. Izinkambu eziyimfihlo ezinjalo zifinyelelwa ngezisekeli.
Nakuba indawo ethi Thola isetshenziselwa ukubuyisela inani lesakhiwo, indawo ethi Setha isetshenziselwa ukusetha inani.
43. Uyini ngempela umjovo wokuncika ku-C#?
Umjovo we-Dependency (DI) yindlela yokuklama ku-C# esetshenziselwa ukudala izinhlelo ezixhumeke ngokuxekethile. Le nqubo idlulisela ukudalwa nokubophezela kwezinto ezincikile ngaphandle kwekilasi ezithembele kulo. Umgomo omkhulu uwukwenza izinguquko zekhodi zesikhathi esizayo zilawuleke.
Isiphetho
I-C# iwulimi oluyinhloko lokuhlela olusetshenziswa kuzo zonke izilimi zokuhlela ezisezingeni eliphezulu. Onjiniyela be-C# badingeka kakhulu futhi bangathola amathuba emisebenzi akhangayo ezimbonini ezifana nokuthuthukiswa kokuphela, ukuhlela okusemuva, nokuthuthukiswa kohlelo lokusebenza. Futhi ngenxa yokuthi iMicrosoft iyayisekela, ukuthandwa kwe-C # kuzokhula kuphela.
Lokhu okukhulunywe ngakho ngenhla kuyimibuzo ebaluleke kakhulu ye-C# interview kochwepheshe abanolwazi nabaqalayo. Bheka Uchungechunge lwezingxoxo lukaHashdork ukuze uthole usizo ngokulungiselela inhlolokhono.
shiya impendulo