Ana sayfa Genel Swift 4, Faydalı String Metodları Bölüm 1

Swift 4, Faydalı String Metodları Bölüm 1



Bu dersimizde swift dilinde kullanabileceğimiz faydalı methodlardan bahsedeceğiz.

  1. Bir String’in ilk harfini büyütme
  2. Bir Stringde ki kelimeleri büyük harfe çevirme
  3. Stringleri bağlayarak(concatenate) tek bir String oluşturma yöntemleri

Stringlerin ilk harfini büyütmeyle başlayalım:

Verilen bir stringde yalnızca ilk harfi büyütmek istiyorsak, aşağıdaki Extension ı projemize ekleyerek string değerlerimizde kullanabiliriz.

Yukarıdaki kod bloğunda ilk olarak Stringimizin birinci harfini belirliyor ve .capitalized metoduyla bunu büyük harfe çeviriyoruz. Ardından bu fonksiyon asıl değerimizi değiştireceği için mutating func olarak fonksiyonumuzu tekrar yazıp üstteki metodumuzu tekrar çağırıp self’e eşitliyoruz.

2 – Bir stringdeki tüm kelimelerin baş harfini büyütme:

capitalized metodunu kullanarak bir stringdeki tüm kelimeleri büyütebiliriz:

capitalized metodunu kullandıktan sonra çıktı olarak stringimizdeki tüm kelimelerin baş harfini büyük olarak görebiliyoruz.

3 – Stringleri bağlayarak tek bir String oluşturma yöntemleri:

Swift dilinde stringleri bağlamayı 3 ayrı şekilde gerçekleştirebiliriz.

İlk olarak ekleme yaparak(interpolation) bunu sağlayalım:

Şimdide + operatörünü kullanarak iki stringi birbirine ekleyelim:

Bu şekilde stringleri birbirine ekleyip tek bir string oluşturabiliyoruz, iki string arasına boşluk eklemek istersekte şu şekilde yapabiliriz.

Son olarakta += operatörünü kullanarak bir stringin sonuna diğerini eklemeyi görelim:

Gördüğünüz gibi birlesik3 değişkeni de çıktı olarak “Merhaba Dünya!” vermektedir.

Bu üç yöntemden dilediğinizi kullanarak Stringlerinizi birleştirebilirsiniz 🙂


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