Ana sayfa Genel Swift 4 ile Değişken ve Sabit Tanımlamaları

Swift 4 ile Değişken ve Sabit Tanımlamaları


Herkese merhaba,

Bu yazımızda Swift dilinde değişken ve sabit tanımlamalarını göreceğiz. Swiftte sabitler(constants) “let” kullanılarak, değişkenler(variables) ise “var” kullanılarak tanımlanır.  Adındanda anlaşılacağı gibi, “let” ile tanımladığımız sabitleri daha sonradan değiştiremezken, var ile tanımladığımız değişkenleri daha sonra güncelleyebiliyoruz.

String türünden değişken ve sabit tanımlayarak örneklendirelim;

Yukarıda da belirtildiği gibi, “name” adlı değişkenimizi başında “var” ile tanımladığımız için daha sonra güncelleyebilirken, “surname” adlı değişkenimizi başında “let” ile tanımladığımız için güncelleyemiyoruz.

Değişken ve sabit oluşturma işlemi, veri tipinden bağımsız olarak (String, Int, Double.. vb) her zaman geçerlidir.

Swift programlama dili ile değişken ve sabit tanımlama işlemleri bu şekilde yapılmaktadır. Bir sonraki konumuzda görüşmek üzere 🙂

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Kadir Has Universitesi Elektrik&Elektronik Bölümünden 2016 yılında mezun oldum, mezuniyet sonrası alan değiştirerek bilgisayar bilimi ve programlama üzerine çalışmalarıma başladım. Amacım kendimi geliştirirken bir yandanda, programlama alanındaki türkçe kaynak azlığını giderebilmek için bloglar yazmak.


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