<\/div>\n

Bu yaz\u0131m\u0131zda var ve object de\u011fi\u015fkenlerinin kullan\u0131m ve yap\u0131s\u0131ndan bahsedece\u011fiz.Di\u011fer de\u011fi\u015fkenlerle aras\u0131ndaki farktan ziyade bu iki de\u011fi\u015fken aras\u0131ndaki fark\u0131 anlamak daha \u00f6nemli.
\n
\nvar tipi de\u011fi\u015fken;
\n<\/strong>var tipi de\u011fi\u015fken tan\u0131mlarsan\u0131z e\u011fer de\u011fi\u015fkenin tipini siz de\u011fil derleyici tan\u0131mlayacakt\u0131r.Derleyicinin tan\u0131mlad\u0131\u011f\u0131 tipe g\u00f6re o veri RAM \u00fczerin de o tiple saklanacakt\u0131r.
\nNot:var de\u011fi\u015fken tipi,diller aras\u0131,databaseler aras\u0131 entegrasyonu sa\u011flarken veri tipleri uyu\u015fmazl\u0131\u011f\u0131n\u0131 gidermek i\u00e7in olu\u015fturulmu\u015f bir tiptir.Yani C#’ta int ile tan\u0131mlanan bir de\u011fi\u015fken Delphi ‘de ba\u015fka t\u00fcrl\u00fc tan\u0131mlanabilir.var de\u011fi\u015fken tipide b\u00fct\u00fcn dillerde evrensellik \u00f6zelli\u011fi ta\u015f\u0131maktad\u0131r.Sizlere tavsiyem normal kodlamada verinizin tipine g\u00f6re normal de\u011fi\u015fken tan\u0131mlay\u0131n\u0131z.<\/p>\n

\r\nvar a = 10.6; \/\/a de\u011fi\u015fkeninin tipi double d\u0131r.\r\nvar b = 20; \/\/b de\u011fi\u015fkeninin tipi int dir.\r\nvar c = "asd"; \/\/c de\u011fi\u015fkeninin tipi string dir.\r\nvar d = true; \/\/d de\u011fi\u015fkeninin tipi booldur.\r\n<\/pre>\nobject tipi de\u011fi\u015fkenler
\n<\/strong>object olarak tan\u0131mlanan de\u011fi\u015fken her tipteki veriyi i\u00e7inde saklayablir.Fakat object tipteki de\u011fi\u015fkene atanan de\u011fer Boxing(Kutulama) i\u015flemine u\u011frar.Yani,object tipiyle olu\u015fturdu\u011fumuz bir string de\u011fi\u015fken,RAM’e string olarak de\u011filde object olarak kaydedilir.Tan\u0131mlanan object de\u011fi\u015fkeni kullanmak istedi\u011fimiz de,i\u00e7inde saklanan verinin tipini elde ederek kullanmal\u0131y\u0131z.Bunun i\u00e7inde Unboxing(Kutudan \u00c7\u0131karma) i\u015flemi yap\u0131l\u0131r.Bu i\u015flem sonucunda object i\u00e7indeki as\u0131l tipini alm\u0131\u015f oluruz.<\/p>\n
\r\nobject o1 = "ali";\r\nobject o2 = 12.5f;\r\nobject o3 = 'c';\r\nobject o4 = true;\r\n<\/pre>\nYukar\u0131da object tipiyle olu\u015fturulan de\u011fi\u015fkenler bulunmaktad\u0131r.Bu de\u011fi\u015fkenlere verilen de\u011ferlerin hi\u00e7 biri RAM’e tipine g\u00f6re isimlendirilerek kaydedilmemi\u015ftir.object olarak kaydedilmi\u015ftir.\u0130\u015fte bu i\u015fleme Boxing(Kutulama) denir.<\/p>\n
\r\nobject b=10; \/\/Boxing\r\n<\/pre>\n\u00dcstte b ad\u0131nda object tipli bir de\u011fi\u015fken olu\u015fturduk.Bu olu\u015fturdu\u011fumuz de\u011fi\u015fkeni Unboxing yapmak i\u00e7in a\u015fa\u011f\u0131daki i\u015flemi yapmam\u0131z gerekiyor.<\/p>\n
\r\n\r\nint a = (int)b; \/\/Unboxing\r\n<\/pre>\nBa\u015fka bir \u00f6rnek;<\/p>\n
\r\nobject ahmet1 = "ahmet";\/\/Boxing\r\nstring ahmet2 = (string)ahmet1;\/\/Unboxing\r\n\r\n<\/pre>\nSon olarak object tipli de\u011fi\u015fkenler de,de\u011fi\u015fkenin i\u00e7inde ki verinin tipini dinamik olarak \u00f6\u011frenmek istiyorsak a\u015fa\u011f\u0131daki metod i\u015fimizi g\u00f6recektir.<\/p>\n
\r\nobject dd=T\u0130P\u0130B\u0130L\u0130NMEYENB\u0130RDE\u011eER;\r\ndd.GetType();\/*Bu metod sayesinde\r\n dd isimli object de\u011fi\u015fkeninin\r\n i\u00e7inde saklad\u0131\u011f\u0131 de\u011fi\u015fkenin tipini\r\n \u00f6\u011frenebiliriz.*\/\r\n <\/pre>\n\u0130yi \u00e7al\u0131\u015fmalar…<\/p>\n","protected":false},"excerpt":{"rendered":"
Bu yaz\u0131m\u0131zda var ve object de\u011fi\u015fkenlerinin kullan\u0131m ve yap\u0131s\u0131ndan bahsedece\u011fiz.Di\u011fer de\u011fi\u015fkenlerle aras\u0131ndaki farktan ziyade bu iki de\u011fi\u015fken aras\u0131ndaki fark\u0131 anlamak daha \u00f6nemli.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[27,33,32],"class_list":["post-42","post","type-post","status-publish","format-standard","hentry","category-c-sharp-c","tag-c","tag-object","tag-var"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts\/42","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/comments?post=42"}],"version-history":[{"count":0,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts\/42\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/media?parent=42"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/categories?post=42"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/tags?post=42"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}