2023年ios面试题锦集带答案

2023年ios面试题锦集带答案

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时间:2023-04-26

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iOS☢⚪┶1.Differencebetweenshallowcopyanddeepcopy?ᑴᑴḄᫀᑴᑴᢣᔣḄᢣ┐ᑴᵨ஺ᑴᑴᵨ஺ᡃᨵ#Aᑴ$%&'ᑮA_copy&)ᑴᩭ+,A_copyᢣᔣḄ-$#ᑁ/01ᑴḄ2$#ᢣ┐013ᨵ$%4Ꮇ᝞ᡃ7A_copy᡻9:;ᦋ=>4?@AAᵨḄ-᪵C;ᦋDᐸFGH:ᡃ7ᑴIJḄ$#K஺ᑴLᳮN:,ᑁ/P/ᙠ:R%ST஺ᵨUV$W7XYḄZ[ᑴL\],]Ḅ^_]`a]Ḅ^_b`aᑴL\],]Ḅc◖e]`a]Ḅc◖e3fḼ஺2.Whatisadvantageofcategories?Whatisdifferencebetweenimplementingacategoryandinheritance?Ḅᵨᙠᨵᫀcategoryhiᙠj៉ᦋlmᩭnṹḄpqrst☢uvwḄxyzuvzᑤ◀;ᦋ஺}~Ꮇ᝞,mᩭPḄxyᑣ[⌚mᩭḄxyᵫ)ᐹᨵḄᐜ஺⌕ᨵ3#>ᵨ

11[ḄFAᑖᦣᑮ#-ᦻᡈ#-᪾P஺2ᨵxyḄᔣᵨ஺3ᔣuv¡¢£¤஺¥¦hi§¨;ᦋᡈὅᑤ◀xy}~hi§¨ªឋ஺3.Differencebetweencategoriesandextensions?᡽Ḅ஺ᫀcategory,extensionsḄ-ᙠ)&ὅhiuvªឋ஺¬᜜&ὅuvḄxy®¯⌕FAḄ஺extensionshi°±$#ᨵḄCategory஺4.Differencebetweenprotocolinobjectivecandinterfacesinjava?obcḄjavaḄᭆᨵᫀOBCPḄnᳮᨵ2²³´xµ³±formal,informalprotocol஺ὅ,Java¶·-᪵஺informalprotocolPḄxyª)¸¹º¢ὃ⇋ᶖ®¯FAḄ2Ꮇ᝞ᨵFA¿ᦋlḄªឋ஺ᐸFᐵ)¡¢£¤,¡¢£¤ᡃÁÂÃÄḄÅ᎛ᜧÈÉÊbᑏᙠ:ÃÄᦟÍt“¡¢£¤ᭆÐᐸFḄÑ$Ò⊤Ôx¢“Dtᨵ$Õ]bÖ×ØFAḄxy]hiÙᵨÚ7LḄ`ÛÜ>”஺D#DÕh⌱Ḅ஺\᝞ᡃß⌕$#LḄxyᡃ7¿ᵭá$#D᪵ḄâFA஺ᯠ&]ᙠ&ähiå¶ÙᵨDÕLḄxy஺D?Éæç'Dèéᨵê룤Ḅh⌱£¤஺"Aᙠ

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1852Ꮇ᝞⌕hi[\eclipseḄjklᢝnko᪀஺rh*stuvhi஺wx᝞LySTz(ᜧ|}~)53.main(){inta[5]={1,2,3,4,5};int*ptr=(int*)(&a+1);printf("%d,%d",*(a+1),*(ptr-1));)I+2,5*(a+1)Ja[1],*(ptr-1)Ja[4],᡻LMN2.5,&a+1O✌ᙢᙬ+1,STUVWXaᦪAḄYZYZCᦪAḄᜧ[(]5int,int*ptr=(int*)(&a+1);ᑣptr^▭&(a[5]),`Ja+5ab᝞c:&aᦪAᢣ┐ᐸWint(*)[5];gᢣ┐X1⌕᪷3ᢣ┐XjḄkOlḄᢣ┐+1mnopḄᜧ[Ol஺apqW5ḄintᦪAᢣ┐,ᡠs⌕X5*sizeof(int)ᡠsptr^▭a[5],tprtu(&a+1)Ol᪵Ḅ(Dwxy⌕)ᡠsprt-1{U|}sizeof(int*),a,&aḄᙢᙬl᪵Ḅt~Ol᪵aᦪA✌ᙢᙬ`JaḄᙢᙬ&a(ᦪA)✌ᙢᙬ,a+1ᦪAcᐗbḄᙢᙬᓽa[1],&a+1cḄᙢᙬ,ᓽa[5].

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