{"id":36417,"date":"2025-12-16T03:40:44","date_gmt":"2025-12-16T00:40:44","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/?p=36417"},"modified":"2025-12-16T03:40:44","modified_gmt":"2025-12-16T00:40:44","slug":"javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis\/","title":{"rendered":"Java’da Aray\u00fczler: Tasar\u0131mdan Uygulamaya Kapsaml\u0131 Bir Bak\u0131\u015f"},"content":{"rendered":"

<\/p>\n

Java’da Aray\u00fczler: Tasar\u0131mdan Uygulamaya Kapsaml\u0131 Bir Bak\u0131\u015f<\/h2>\n

Java programlama dilinin temel ta\u015flar\u0131ndan biri olan aray\u00fczler (interfaces), nesne y\u00f6nelimli tasar\u0131m\u0131n soyutlama ve polimorfizm prensiplerini uygulamak i\u00e7in vazge\u00e7ilmez bir mekanizma sunar. Bir aray\u00fcz, s\u0131n\u0131flar i\u00e7in bir “s\u00f6zle\u015fme” veya “taslak” g\u00f6revi g\u00f6rerek, belirli bir davran\u0131\u015f k\u00fcmesini uygulayacak s\u0131n\u0131flar\u0131n uymas\u0131 gereken bir dizi metot imzas\u0131 tan\u0131mlar. Bu makale, Java’daki aray\u00fczlerin ne oldu\u011funu, nas\u0131l kullan\u0131ld\u0131\u011f\u0131n\u0131, zaman i\u00e7indeki evrimini (\u00f6zellikle Java 8 ve sonras\u0131), soyut s\u0131n\u0131flarla farklar\u0131n\u0131, tasar\u0131m desenlerindeki rollerini ve iyi uygulama prensiplerini detayl\u0131 bir \u015fekilde inceleyecektir. Amac\u0131m\u0131z, Java geli\u015ftiricilerine aray\u00fczlerin g\u00fcc\u00fcn\u00fc ve esnekli\u011fini tam olarak anlamalar\u0131 i\u00e7in kapsaml\u0131 bir rehber sunmakt\u0131r.<\/p>\n

Giri\u015f: Neden Aray\u00fczlere \u0130htiya\u00e7 Duyar\u0131z?<\/h3>\n

Yaz\u0131l\u0131m geli\u015ftirmede kar\u015f\u0131la\u015f\u0131lan en b\u00fcy\u00fck zorluklardan biri, de\u011fi\u015fime dayan\u0131kl\u0131, esnek ve bak\u0131m\u0131 kolay sistemler in\u015fa etmektir. Bir sistemin par\u00e7alar\u0131 birbirine s\u0131k\u0131ca ba\u011fl\u0131 oldu\u011funda (tightly coupled), bir bile\u015fendeki de\u011fi\u015fiklik di\u011ferlerini de etkileyebilir, bu da hata oran\u0131n\u0131 art\u0131r\u0131r ve geli\u015ftirmeyi yava\u015flat\u0131r. Aray\u00fczler, bu sorunu \u00e7\u00f6zmek i\u00e7in soyutlama katman\u0131 sa\u011flar. Somut uygulamalar\u0131 soyut tan\u0131mlardan ay\u0131rarak, sistem bile\u015fenleri aras\u0131ndaki ba\u011f\u0131ml\u0131l\u0131\u011f\u0131 azalt\u0131r (loose coupling).<\/p>\n

Java’da bir s\u0131n\u0131f yaln\u0131zca tek bir \u00fcst s\u0131n\u0131ftan kal\u0131t\u0131m alabilirken (tekli kal\u0131t\u0131m), birden fazla aray\u00fcz\u00fc uygulayabilir. Bu \u00f6zellik, Java’ya “t\u00fcr\u00fcn \u00e7oklu kal\u0131t\u0131m\u0131” yetene\u011fi kazand\u0131r\u0131r, bu da bir nesnenin birden fazla farkl\u0131 “davran\u0131\u015f” k\u00fcmesine sahip olabilece\u011fi anlam\u0131na gelir. Aray\u00fczler, yaz\u0131l\u0131m mimarilerinde API’ler tan\u0131mlamak, davran\u0131\u015flar\u0131 standartla\u015ft\u0131rmak ve test edilebilirli\u011fi art\u0131rmak i\u00e7in kritik \u00f6neme sahiptir.<\/p>\n

Aray\u00fczlerin Temelleri<\/h3>\n

Java’da bir aray\u00fcz, interface<\/code> anahtar kelimesi kullan\u0131larak tan\u0131mlan\u0131r. Temel olarak, bir aray\u00fcz metot imzalar\u0131n\u0131 ve sabit alanlar\u0131 (varsay\u0131lan olarak public static final<\/code>) i\u00e7erir. Aray\u00fczler, Java 8’den \u00f6nce yaln\u0131zca soyut metotlar i\u00e7erebilirken, Java 8 ile birlikte varsay\u0131lan (default) ve statik (static) metotlar, Java 9 ile ise \u00f6zel (private) metotlar eklenmi\u015ftir.<\/p>\n

Aray\u00fcz Tan\u0131mlama<\/h4>\n

Bir aray\u00fcz tan\u0131mlarken, metotlar\u0131n g\u00f6vdesi olmaz (Java 8 \u00f6ncesi ve soyut metotlar i\u00e7in). Sadece metot imzalar\u0131 belirtilir. T\u00fcm metotlar varsay\u0131lan olarak public abstract<\/code>‘t\u0131r ve t\u00fcm alanlar varsay\u0131lan olarak public static final<\/code>‘d\u0131r. Bu anahtar kelimeleri a\u00e7\u0131k\u00e7a belirtmek iste\u011fe ba\u011fl\u0131d\u0131r ancak okunabilirlik a\u00e7\u0131s\u0131ndan bazen tercih edilebilir.<\/p>\n

public interface Sekil {\n    \/\/ Sabit alan (otomatik olarak public static final)\n    String TIP = \"Geometrik Sekil\";\n\n    \/\/ Soyut metot (otomatik olarak public abstract)\n    double alanHesapla();\n    void ciz();\n}<\/code><\/pre>\n
Yukar\u0131daki \u00f6rnekte Sekil<\/code> ad\u0131nda bir aray\u00fcz tan\u0131mlanm\u0131\u015ft\u0131r. Bu aray\u00fcz, alanHesapla()<\/code> ve ciz()<\/code> ad\u0131nda iki soyut metot ile TIP<\/code> ad\u0131nda bir sabit i\u00e7erir. Bu metotlar\u0131n nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131na dair bir uygulama (g\u00f6vde) yoktur; bu, aray\u00fcz\u00fc uygulayacak s\u0131n\u0131flar\u0131n sorumlulu\u011fundad\u0131r.<\/p>\n
Aray\u00fcz Uygulama<\/h4>\n
Bir s\u0131n\u0131f\u0131n bir aray\u00fcz\u00fc uygulamas\u0131 i\u00e7in implements<\/code> anahtar kelimesi kullan\u0131l\u0131r. Bir s\u0131n\u0131f bir aray\u00fcz\u00fc uygulad\u0131\u011f\u0131nda, o aray\u00fczdeki t\u00fcm soyut metotlara somut bir uygulama (g\u00f6vde) sa\u011flamak zorundad\u0131r. Aksi takdirde, uygulayan s\u0131n\u0131f\u0131n da soyut olarak tan\u0131mlanmas\u0131 gerekir.<\/p>\n
public class Daire implements Sekil {\n    private double yaricap;\n\n    public Daire(double yaricap) {\n        this.yaricap = yaricap;\n    }\n\n    @Override\n    public double alanHesapla() {\n        return Math.PI  yaricap <\/em> yaricap;\n    }\n\n    @Override\n    public void ciz() {\n        System.out.println(\"Daire \u00e7iziliyor, yar\u0131\u00e7ap: \" + yaricap);\n    }\n}\n\npublic class Kare implements Sekil {\n    private double kenarUzunlugu;\n\n    public Kare(double kenarUzunlugu) {\n        this.kenarUzunlugu = kenarUzunlugu;\n    }\n\n    @Override\n    public double alanHesapla() {\n        return kenarUzunlugu * kenarUzunlugu;\n    }\n\n    @Override\n    public void ciz() {\n        System.out.println(\"Kare \u00e7iziliyor, kenar uzunlu\u011fu: \" + kenarUzunlugu);\n    }\n}<\/code><\/pre>\n
Bu \u00f6rnekte, Daire<\/code> ve Kare<\/code> s\u0131n\u0131flar\u0131 Sekil<\/code> aray\u00fcz\u00fcn\u00fc uygulamaktad\u0131r. Her iki s\u0131n\u0131f da alanHesapla()<\/code> ve ciz()<\/code> metotlar\u0131na kendi \u00f6zel uygulamalar\u0131n\u0131 sa\u011flam\u0131\u015ft\u0131r.<\/p>\n
Aray\u00fcz Referanslar\u0131 ve Polimorfizm<\/h4>\n
Aray\u00fczlerin en g\u00fc\u00e7l\u00fc y\u00f6nlerinden biri polimorfizm ile birlikte kullan\u0131lmas\u0131d\u0131r. Bir aray\u00fcz t\u00fcr\u00fcnden bir referans de\u011fi\u015fkeni, o aray\u00fcz\u00fc uygulayan herhangi bir s\u0131n\u0131f\u0131n nesnesini tutabilir. Bu, kodun daha genel ve esnek olmas\u0131n\u0131 sa\u011flar.<\/p>\n
public class Uygulama {\n    public static void main(String[] args) {\n        Sekil daire = new Daire(5);\n        Sekil kare = new Kare(4);\n\n        sekilBilgisiGoster(daire);\n        sekilBilgisiGoster(kare);\n    }\n\n    public static void sekilBilgisiGoster(Sekil s) {\n        System.out.println(\"\u015eekil Tipi: \" + Sekil.TIP); \/\/ Sabit alana eri\u015fim\n        System.out.println(\"Alan: \" + s.alanHesapla());\n        s.ciz();\n        System.out.println(\"--------------------\");\n    }\n}<\/code><\/pre>\n
sekilBilgisiGoster<\/code> metodu, Sekil<\/code> aray\u00fcz t\u00fcr\u00fcnden bir parametre al\u0131r. Bu sayede, Daire<\/code> veya Kare<\/code> gibi Sekil<\/code> aray\u00fcz\u00fcn\u00fc uygulayan herhangi bir nesneyi bu metoda ge\u00e7irebiliriz. Metodun i\u00e7inde, s.alanHesapla()<\/code> ve s.ciz()<\/code> \u00e7a\u011fr\u0131lar\u0131, \u00e7al\u0131\u015fma zaman\u0131nda nesnenin ger\u00e7ek t\u00fcr\u00fcne (Daire veya Kare) g\u00f6re uygun uygulaman\u0131n \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flar. Bu, polimorfizmin temel prensibidir ve aray\u00fczler bunu etkin bir \u015fekilde kullanmam\u0131z\u0131 sa\u011flar.<\/p>\n
Aray\u00fczlerin \u00d6zellikleri ve Avantajlar\u0131<\/h3>\n
Aray\u00fczler, modern yaz\u0131l\u0131m tasar\u0131m\u0131nda bir dizi \u00f6nemli avantaj sunar:<\/p>\n
Soyutlama ve Gizleme<\/h4>\n
Aray\u00fczler, “ne yap\u0131lmas\u0131 gerekti\u011fini” tan\u0131mlar ancak “nas\u0131l yap\u0131laca\u011f\u0131n\u0131” belirtmez. Bu, uygulama detaylar\u0131n\u0131 soyutlar ve gizler. Bir geli\u015ftirici, bir aray\u00fcz\u00fcn ne yapt\u0131\u011f\u0131n\u0131 bilerek onu kullanabilir, ancak temeldeki karma\u015f\u0131k uygulamay\u0131 bilmesine gerek kalmaz. Bu, sistemin mod\u00fclerli\u011fini art\u0131r\u0131r ve farkl\u0131 bile\u015fenlerin birbirinden ba\u011f\u0131ms\u0131z olarak geli\u015ftirilmesine olanak tan\u0131r.<\/p>\n
\u00c7oklu Kal\u0131t\u0131m (T\u00fcr\u00fcn)<\/h4>\n
Java’da s\u0131n\u0131flar yaln\u0131zca tek bir \u00fcst s\u0131n\u0131ftan kal\u0131t\u0131m alabilirken, birden fazla aray\u00fcz\u00fc uygulayabilir. Bu, bir s\u0131n\u0131f\u0131n birden fazla “t\u00fcr” veya “davran\u0131\u015f” k\u00fcmesine ait olmas\u0131n\u0131 sa\u011flar. \u00d6rne\u011fin, bir U\u00e7ak<\/code> s\u0131n\u0131f\u0131 hem U\u00e7abilir<\/code> hem de Ta\u015f\u0131yabilir<\/code> aray\u00fczlerini uygulayabilir. Bu, esnek bir s\u0131n\u0131f hiyerar\u015fisi olu\u015fturmaya yard\u0131mc\u0131 olur ve kodun yeniden kullan\u0131labilirli\u011fini art\u0131r\u0131r.<\/p>\n
public interface Ucebilir {\n    void ucusYap();\n}\n\npublic interface Tasiyabilir {\n    void yukTasi();\n}\n\npublic class KargoUcagi implements Ucebilir, Tasiyabilir {\n    @Override\n    public void ucusYap() {\n        System.out.println(\"Kargo u\u00e7a\u011f\u0131 u\u00e7uyor.\");\n    }\n\n    @Override\n    public void yukTasi() {\n        System.out.println(\"Kargo u\u00e7a\u011f\u0131 y\u00fck ta\u015f\u0131yor.\");\n    }\n}<\/code><\/pre>\n
Gev\u015fek Ba\u011fl\u0131l\u0131k (Loose Coupling)<\/h4>\n
Aray\u00fczler, bile\u015fenler aras\u0131ndaki ba\u011f\u0131ml\u0131l\u0131klar\u0131 azaltarak gev\u015fek ba\u011fl\u0131l\u0131\u011f\u0131 te\u015fvik eder. Bir s\u0131n\u0131f, somut bir uygulamaya do\u011frudan ba\u011f\u0131ml\u0131 olmak yerine, bir aray\u00fcze ba\u011f\u0131ml\u0131 olabilir. Bu, altta yatan uygulaman\u0131n de\u011fi\u015ftirilmesi gerekti\u011finde, aray\u00fcz\u00fc kullanan kodun etkilenmeden kalmas\u0131n\u0131 sa\u011flar. \u00d6rne\u011fin, bir veritaban\u0131 eri\u015fim katman\u0131, do\u011frudan belirli bir veritaban\u0131 s\u00fcr\u00fcc\u00fcs\u00fcne ba\u011f\u0131ml\u0131 olmak yerine, bir VeriDeposu<\/code> aray\u00fcz\u00fcne ba\u011f\u0131ml\u0131 olabilir. Bu sayede, farkl\u0131 bir veritaban\u0131 kullan\u0131lmas\u0131 gerekti\u011finde, sadece VeriDeposu<\/code> aray\u00fcz\u00fcn\u00fc uygulayan yeni bir s\u0131n\u0131f yazmak yeterli olur, mevcut kodun \u00e7o\u011fu de\u011fi\u015fmeden kal\u0131r. Bu prensip, Ba\u011f\u0131ml\u0131l\u0131k Tersine \u00c7evirme Prensibi (Dependency Inversion Principle – DIP) olarak bilinir ve SOLID prensiplerinin \u00f6nemli bir par\u00e7as\u0131d\u0131r.<\/p>\n
API Tan\u0131mlama<\/h4>\n
Aray\u00fczler, k\u00fct\u00fcphaneler ve framework’ler i\u00e7in resmi API’ler tan\u0131mlamak i\u00e7in idealdir. Bir k\u00fct\u00fcphane geli\u015ftiricisi, kullan\u0131c\u0131lar\u0131n k\u00fct\u00fcphanesiyle nas\u0131l etkile\u015fim kuraca\u011f\u0131n\u0131 belirleyen bir dizi aray\u00fcz sa\u011flayabilir. Bu aray\u00fczler, bir “s\u00f6zle\u015fme” g\u00f6revi g\u00f6rerek, k\u00fct\u00fcphanenin gelecekteki s\u00fcr\u00fcmlerinde bile bu davran\u0131\u015flar\u0131n garanti alt\u0131na al\u0131nmas\u0131n\u0131 sa\u011flar. Bu, k\u00fct\u00fcphane kullan\u0131c\u0131lar\u0131n\u0131n kodlar\u0131n\u0131n uyumlulu\u011funu korumas\u0131na yard\u0131mc\u0131 olur.<\/p>\n
Test Edilebilirlik<\/h4>\n
Gev\u015fek ba\u011fl\u0131l\u0131k sayesinde aray\u00fczler, birim testlerini (unit tests) kolayla\u015ft\u0131r\u0131r. Bir bile\u015feni test ederken, ba\u011f\u0131ml\u0131 oldu\u011fu di\u011fer bile\u015fenlerin ger\u00e7ek uygulamalar\u0131n\u0131 kullanmak yerine, aray\u00fczlerinin “sahte” (mock) uygulamalar\u0131n\u0131 olu\u015fturabiliriz. Bu sahte nesneler, test senaryosuna uygun belirli davran\u0131\u015flar\u0131 taklit edebilir ve b\u00f6ylece testin daha h\u0131zl\u0131, izole ve g\u00fcvenilir olmas\u0131n\u0131 sa\u011flar.<\/p>\n
Aray\u00fczlerin Evrimi: Java 8 ve Sonras\u0131<\/h3>\n
Java’n\u0131n ilk s\u00fcr\u00fcmlerinden itibaren aray\u00fczler sadece soyut metotlar ve sabit alanlar i\u00e7erebiliyordu. Ancak Java 8 ile birlikte, bu k\u0131s\u0131tlamalar esnetilerek aray\u00fczlere yeni yetenekler eklendi: varsay\u0131lan metotlar (default methods) ve statik metotlar (static methods). Java 9 ile ise \u00f6zel metotlar (private methods) eklenmi\u015ftir. Bu yenilikler, aray\u00fczlerin kullan\u0131m alanlar\u0131n\u0131 geni\u015fletmi\u015f ve geriye d\u00f6n\u00fck uyumlulu\u011fu sa\u011flarken yeni \u00f6zelliklerin eklenmesini kolayla\u015ft\u0131rm\u0131\u015ft\u0131r.<\/p>\n
Varsay\u0131lan Metotlar (Default Methods)<\/h4>\n
Java 8’den \u00f6nce, bir aray\u00fcze yeni bir metot eklemek, o aray\u00fcz\u00fc uygulayan t\u00fcm s\u0131n\u0131flar\u0131n bu yeni metodu uygulamas\u0131 gerekti\u011fi anlam\u0131na geliyordu. Bu durum, \u00f6zellikle geni\u015f bir kod taban\u0131nda veya yayg\u0131n olarak kullan\u0131lan bir k\u00fct\u00fcphanede ciddi bir geriye d\u00f6n\u00fck uyumluluk sorunuydu. Varsay\u0131lan metotlar bu sorunu \u00e7\u00f6zmek i\u00e7in tan\u0131t\u0131ld\u0131.<\/p>\n
Bir varsay\u0131lan metot, aray\u00fcz i\u00e7inde bir uygulama g\u00f6vdesi olan bir metottur. default<\/code> anahtar kelimesiyle tan\u0131mlan\u0131r. Bir s\u0131n\u0131f bir aray\u00fcz\u00fc uygulad\u0131\u011f\u0131nda, varsay\u0131lan metotlar\u0131 uygulamak zorunda de\u011fildir; aray\u00fczdeki varsay\u0131lan uygulama otomatik olarak miras al\u0131n\u0131r. \u0130stenirse, uygulayan s\u0131n\u0131f bu varsay\u0131lan metodu ge\u00e7ersiz k\u0131labilir (override).<\/p>\n
public interface Yazdirilabilir {\n    void yazdir(); \/\/ Soyut metot\n\n    default void varsayilanBilgiGoster() {\n        System.out.println(\"Bu varsay\u0131lan bir bilgi g\u00f6sterim metodudur.\");\n    }\n}\n\npublic class Rapor implements Yazdirilabilir {\n    @Override\n    public void yazdir() {\n        System.out.println(\"Rapor yazd\u0131r\u0131l\u0131yor.\");\n    }\n    \/\/ varsayilanBilgiGoster() metodunu uygulamak zorunda de\u011filiz,\n    \/\/ aray\u00fczdeki varsay\u0131lan uygulama kullan\u0131l\u0131r.\n}\n\npublic class Fatura implements Yazdirilabilir {\n    @Override\n    public void yazdir() {\n        System.out.println(\"Fatura yazd\u0131r\u0131l\u0131yor.\");\n    }\n\n    @Override\n    public void varsayilanBilgiGoster() {\n        System.out.println(\"Fatura i\u00e7in \u00f6zel bilgi g\u00f6sterimi.\");\n    }\n}<\/code><\/pre>\n
Varsay\u0131lan metotlar, mevcut aray\u00fczlere yeni i\u015flevsellik eklerken geriye d\u00f6n\u00fck uyumlulu\u011fu korumak i\u00e7in \u00e7ok g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r. Ancak, birden fazla aray\u00fcz ayn\u0131 imzaya sahip varsay\u0131lan metotlar i\u00e7eriyorsa, uygulayan s\u0131n\u0131f\u0131n bu metodu ge\u00e7ersiz k\u0131larak bir \u00e7at\u0131\u015fmay\u0131 \u00e7\u00f6zmesi gerekebilir (Diamond Problem).<\/p>\n
Statik Metotlar (Static Methods)<\/h4>\n
Java 8 ile birlikte aray\u00fczlere statik metotlar da eklendi. Statik metotlar, aray\u00fcz\u00fcn kendisiyle ili\u015fkili yard\u0131mc\u0131 i\u015flevselli\u011fi sa\u011flamak i\u00e7in kullan\u0131l\u0131r. Bu metotlar, uygulayan s\u0131n\u0131flar taraf\u0131ndan ge\u00e7ersiz k\u0131l\u0131namaz ve yaln\u0131zca aray\u00fcz ad\u0131 arac\u0131l\u0131\u011f\u0131yla \u00e7a\u011fr\u0131labilir.<\/p>\n
public interface Hesaplayici {\n    double topla(double a, double b);\n\n    static double cikar(double a, double b) {\n        return a - b;\n    }\n}\n\npublic class BasitHesaplayici implements Hesaplayici {\n    @Override\n    public double topla(double a, double b) {\n        return a + b;\n    }\n}\n\npublic class Uygulama2 {\n    public static void main(String[] args) {\n        BasitHesaplayici bh = new BasitHesaplayici();\n        System.out.println(\"Toplam: \" + bh.topla(10, 5));\n        System.out.println(\"Fark: \" + Hesaplayici.cikar(10, 5)); \/\/ Statik metot \u00e7a\u011fr\u0131s\u0131\n    }\n}<\/code><\/pre>\n
Statik metotlar, aray\u00fczle ilgili ortak yard\u0131mc\u0131 programlar\u0131 veya fabrika metotlar\u0131n\u0131 (factory methods) aray\u00fcz\u00fcn kendisine yerle\u015ftirmek i\u00e7in kullan\u0131\u015fl\u0131d\u0131r.<\/p>\n
Java 9: \u00d6zel Metotlar (Private Methods)<\/h4>\n
Java 9, aray\u00fczlere \u00f6zel (private) ve \u00f6zel statik (private static) metotlar ekleyerek aray\u00fczlerin yeteneklerini daha da geni\u015fletti. Bu metotlar, aray\u00fcz i\u00e7indeki varsay\u0131lan ve statik metotlar\u0131n ortak yard\u0131mc\u0131 mant\u0131\u011f\u0131n\u0131 kaps\u00fcllemek i\u00e7in kullan\u0131l\u0131r. D\u0131\u015far\u0131dan eri\u015filemezler, sadece aray\u00fcz\u00fcn kendi i\u00e7indeki di\u011fer metotlar taraf\u0131ndan \u00e7a\u011fr\u0131labilirler.<\/p>\n
public interface Logger {\n    void log(String message);\n\n    default void logDebug(String message) {\n        logInternal(\"DEBUG: \" + message);\n    }\n\n    default void logError(String message) {\n        logInternal(\"ERROR: \" + message);\n    }\n\n    private void logInternal(String message) { \/\/ Java 9 ile gelen \u00f6zel metot\n        System.out.println(java.time.LocalDateTime.now() + \" - \" + message);\n    }\n\n    private static String getLoggerName() { \/\/ Java 9 ile gelen \u00f6zel statik metot\n        return \"InterfaceLogger\";\n    }\n\n    static void printLoggerInfo() {\n        System.out.println(\"Logger Ad\u0131: \" + getLoggerName());\n    }\n}\n\npublic class KonsolLogger implements Logger {\n    @Override\n    public void log(String message) {\n        System.out.println(\"Konsol Log: \" + message);\n    }\n}\n\npublic class Uygulama3 {\n    public static void main(String[] args) {\n        KonsolLogger kl = new KonsolLogger();\n        kl.logDebug(\"Hata ay\u0131klama mesaj\u0131.\");\n        kl.logError(\"Bir hata olu\u015ftu!\");\n        Logger.printLoggerInfo();\n    }\n}<\/code><\/pre>\n
\u00d6zel metotlar, aray\u00fcz i\u00e7indeki kod tekrar\u0131n\u0131 azalt\u0131r ve aray\u00fcz\u00fcn dahili mant\u0131\u011f\u0131n\u0131 daha d\u00fczenli hale getirir.<\/p>\n
Soyut S\u0131n\u0131flar ve Aray\u00fczler Aras\u0131ndaki Farklar<\/h3>\n
Aray\u00fczler ve soyut s\u0131n\u0131flar (abstract classes) her ikisi de soyutlama sa\u011flamak i\u00e7in kullan\u0131l\u0131r ve baz\u0131 benzerliklere sahiptir. Ancak, kullan\u0131mlar\u0131 ve yetenekleri a\u00e7\u0131s\u0131ndan \u00f6nemli farklar vard\u0131r:<\/p>\n
| \u00d6zellik                 | Aray\u00fcz (Interface)                                  | Soyut S\u0131n\u0131f (Abstract Class)                                |
\n| :———————- | :————————————————– | :———————————————————- |
\n| Anahtar Kelime<\/strong>      | interface<\/code>                                         | abstract class<\/code>                                            |
\n| Kal\u0131t\u0131m\/Uygulama<\/strong>    | implements<\/code> anahtar kelimesi ile uygulan\u0131r.        | extends<\/code> anahtar kelimesi ile kal\u0131t\u0131m al\u0131n\u0131r.              |
\n| \u00c7oklu Kal\u0131t\u0131m<\/strong>       | Bir s\u0131n\u0131f birden fazla aray\u00fcz\u00fc uygulayabilir.       | Bir s\u0131n\u0131f yaln\u0131zca tek bir soyut s\u0131n\u0131ftan kal\u0131t\u0131m alabilir. |
\n| Metotlar<\/strong>            | Java 8 \u00f6ncesi: Sadece public abstract<\/code> metotlar.   | public<\/code>, private<\/code>, protected<\/code> veya default<\/code> eri\u015fim belirleyicili soyut ve somut metotlar i\u00e7erebilir. |
\n|                         | Java 8 sonras\u0131: default<\/code>, static<\/code> ve private<\/code> metotlar da i\u00e7erebilir. |                                                             |
\n| Alanlar (De\u011fi\u015fkenler)<\/strong> | Sadece public static final<\/code> sabitler i\u00e7erebilir. | Herhangi bir eri\u015fim belirleyicili (static, final olmayan) de\u011fi\u015fkenler i\u00e7erebilir. |
\n| Yap\u0131c\u0131 Metotlar<\/strong>     | Yap\u0131c\u0131 metotlar\u0131 olamaz.                            | Yap\u0131c\u0131 metotlar\u0131 olabilir (ancak do\u011frudan \u00f6rne\u011fi olu\u015fturulamaz). |
\n| Eri\u015fim Belirleyiciler<\/strong> | T\u00fcm metotlar ve alanlar varsay\u0131lan olarak public<\/code>‘t\u0131r (Java 9’daki \u00f6zel metotlar hari\u00e7). | Farkl\u0131 eri\u015fim belirleyicilerine sahip metotlar ve alanlar i\u00e7erebilir. |
\n| Kullan\u0131m Amac\u0131<\/strong>      | Bir davran\u0131\u015f s\u00f6zle\u015fmesi tan\u0131mlamak (“can-do”). Bir t\u00fcr\u00fcn yeteneklerini belirtmek. | Ortak bir temel davran\u0131\u015f ve durum payla\u015fan s\u0131n\u0131flar i\u00e7in k\u0131smi bir uygulama sa\u011flamak (“is-a”). |<\/p>\n
Ne Zaman Hangisi Kullan\u0131lmal\u0131?<\/strong><\/p>\n
*   Aray\u00fcz Kullan\u0131n:<\/strong>
\n    *   Bir davran\u0131\u015f s\u00f6zle\u015fmesi tan\u0131mlamak istedi\u011finizde ve bu davran\u0131\u015f\u0131 uygulayacak s\u0131n\u0131flar\u0131n birbirleriyle do\u011frudan bir “is-a” ili\u015fkisi olmamas\u0131 gerekti\u011finde.
\n    *   Bir s\u0131n\u0131f\u0131n birden fazla davran\u0131\u015f k\u00fcmesini uygulamas\u0131n\u0131 sa\u011flamak istedi\u011finizde (\u00e7oklu kal\u0131t\u0131m).
\n    *   Uygulama detaylar\u0131n\u0131 tamamen gizleyerek gev\u015fek ba\u011fl\u0131l\u0131\u011f\u0131 en \u00fcst d\u00fczeye \u00e7\u0131karmak istedi\u011finizde.
\n    *   Bir API tan\u0131mlarken veya bir bile\u015fenin d\u0131\u015f d\u00fcnyaya sundu\u011fu yetenekleri belirtirken.<\/p>\n
*   Soyut S\u0131n\u0131f Kullan\u0131n:<\/strong>
\n    *   \u0130lgili s\u0131n\u0131flar aras\u0131nda g\u00fc\u00e7l\u00fc bir “is-a” ili\u015fkisi oldu\u011funda ve ortak bir temel uygulama veya durum payla\u015fmalar\u0131 gerekti\u011finde.
\n    *   Kal\u0131t\u0131m hiyerar\u015fisinde ortak metotlar ve alanlar i\u00e7in varsay\u0131lan uygulamalar sa\u011flamak istedi\u011finizde.
\n    *   Soyut metotlar\u0131n yan\u0131 s\u0131ra somut metotlar ve de\u011fi\u015fkenler de tan\u0131mlaman\u0131z gerekti\u011finde.
\n    *   Yap\u0131c\u0131 metotlar arac\u0131l\u0131\u011f\u0131yla alt s\u0131n\u0131flar\u0131n durumunu ba\u015flatman\u0131z gerekti\u011finde.<\/p>\n
Tasar\u0131m Desenlerinde Aray\u00fczlerin Rol\u00fc<\/h3>\n
Aray\u00fczler, bir\u00e7ok yayg\u0131n tasar\u0131m deseninin temelini olu\u015fturur. Nesne y\u00f6nelimli tasar\u0131m\u0131n esnekli\u011fini ve geni\u015fletilebilirli\u011fini art\u0131rmak i\u00e7in kritik \u00f6neme sahiptirler.<\/p>\n
*   Strateji Deseni (Strategy Pattern):<\/strong> Bir algoritma ailesini tan\u0131mlar, her algoritmay\u0131 ayr\u0131 bir s\u0131n\u0131fa kaps\u00fcller ve bunlar\u0131 birbirinin yerine ge\u00e7ebilir hale getirir. Aray\u00fczler, farkl\u0131 stratejilerin ortak bir s\u00f6zle\u015fmeye uymas\u0131n\u0131 sa\u011flayarak bu desenin uygulanmas\u0131nda merkezi bir rol oynar. \u00d6rne\u011fin, farkl\u0131 \u00f6deme y\u00f6ntemlerini (kredi kart\u0131, PayPal) bir OdemeStratejisi<\/code> aray\u00fcz\u00fc ile modelleyebiliriz.<\/p>\n
*   G\u00f6zlemci Deseni (Observer Pattern):<\/strong> Nesneler aras\u0131nda bire \u00e7ok ba\u011f\u0131ml\u0131l\u0131k tan\u0131mlar, b\u00f6ylece bir nesnenin durumu de\u011fi\u015fti\u011finde, ona ba\u011f\u0131ml\u0131 t\u00fcm nesneler otomatik olarak bilgilendirilir ve g\u00fcncellenir. Observer<\/code> ve Subject<\/code> aray\u00fczleri, bu ileti\u015fimin soyutlanmas\u0131n\u0131 sa\u011flar.<\/p>\n
*   Fabrika Deseni (Factory Pattern):<\/strong> Bir nesne olu\u015fturmak i\u00e7in bir aray\u00fcz sa\u011flar, ancak hangi s\u0131n\u0131f\u0131n \u00f6rne\u011finin olu\u015fturulaca\u011f\u0131n\u0131 alt s\u0131n\u0131flar\u0131n belirlemesine izin verir. Factory<\/code> aray\u00fcz\u00fc, farkl\u0131 \u00fcr\u00fcn t\u00fcrleri i\u00e7in ortak bir olu\u015fturma metodu tan\u0131mlar.<\/p>\n
*   Adapt\u00f6r Deseni (Adapter Pattern):<\/strong> Bir s\u0131n\u0131f\u0131n aray\u00fcz\u00fcn\u00fc, ba\u015fka bir aray\u00fcz bekleyen ba\u015fka bir aray\u00fcze d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. Bu desen, uyumsuz aray\u00fczlere sahip s\u0131n\u0131flar\u0131n birlikte \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flar.<\/p>\n
*   Ba\u011f\u0131ml\u0131l\u0131k Enjeksiyonu (Dependency Injection – DI):<\/strong> Bir bile\u015fenin ba\u011f\u0131ml\u0131l\u0131klar\u0131n\u0131 do\u011frudan olu\u015fturmak yerine, d\u0131\u015far\u0131dan sa\u011flanmas\u0131n\u0131 sa\u011flayan bir tekniktir. Aray\u00fczler, ba\u011f\u0131ml\u0131l\u0131klar\u0131n soyutlanmas\u0131n\u0131 sa\u011flayarak DI \u00e7er\u00e7evelerinin (Spring, Guice) daha esnek ve test edilebilir uygulamalar olu\u015fturmas\u0131na olanak tan\u0131r.<\/p>\n
\u0130yi Uygulamalar ve Yayg\u0131n Hatalar<\/h3>\n
Aray\u00fczlerin g\u00fcc\u00fcn\u00fc tam olarak kullanmak ve potansiyel tuzaklardan ka\u00e7\u0131nmak i\u00e7in baz\u0131 iyi uygulama prensiplerini ve yayg\u0131n hatalar\u0131 anlamak \u00f6nemlidir.<\/p>\n
\u0130yi Uygulamalar (Best Practices)<\/h4>\n
*   K\u00fc\u00e7\u00fck ve Odaklanm\u0131\u015f Aray\u00fczler (Single Responsibility Principle):<\/strong> Her aray\u00fcz\u00fcn tek bir sorumlulu\u011fu olmal\u0131 veya tek bir davran\u0131\u015f k\u00fcmesini tan\u0131mlamal\u0131d\u0131r. \u00c7ok fazla metot i\u00e7eren “God Interface”lerden ka\u00e7\u0131n\u0131n. Bu, kodun anla\u015f\u0131labilirli\u011fini, test edilebilirli\u011fini ve yeniden kullan\u0131labilirli\u011fini art\u0131r\u0131r.
\n*   A\u00e7\u0131k ve Anla\u015f\u0131l\u0131r \u0130simlendirme:<\/strong> Aray\u00fcz isimleri genellikle bir s\u0131fat (Runnable<\/code>, Serializable<\/code>) veya bir eylem (Comparable<\/code>, List<\/code>) ile biten bir isim (Shape<\/code>, Logger<\/code>) olmal\u0131d\u0131r. \u0130sim, aray\u00fcz\u00fcn neyi temsil etti\u011fini a\u00e7\u0131k\u00e7a belirtmelidir.
\n*   Javadoc Kullan\u0131m\u0131:<\/strong> Her aray\u00fcz ve metot i\u00e7in net Javadoc a\u00e7\u0131klamalar\u0131 sa\u011flay\u0131n. Bu, aray\u00fcz\u00fc kullanacak di\u011fer geli\u015ftiricilerin ne bekleyeceklerini ve nas\u0131l davranacaklar\u0131n\u0131 anlamalar\u0131na yard\u0131mc\u0131 olur. \u00d6zellikle varsay\u0131lan metotlar i\u00e7in, ge\u00e7ersiz k\u0131lma davran\u0131\u015f\u0131n\u0131 ve potansiyel yan etkileri belirtmek \u00f6nemlidir.
\n*   Varsay\u0131lan Metotlar\u0131 Dikkatli Kullanma:<\/strong> Varsay\u0131lan metotlar geriye d\u00f6n\u00fck uyumluluk i\u00e7in harika olsa da, dikkatli kullan\u0131lmal\u0131d\u0131r. A\u015f\u0131r\u0131 kullan\u0131mlar\u0131, aray\u00fczlerin soyut s\u0131n\u0131f gibi davranmas\u0131na neden olabilir ve “Diamond Problem” gibi kal\u0131t\u0131m \u00e7at\u0131\u015fmalar\u0131na yol a\u00e7abilir. Varsay\u0131lan metotlar\u0131n yaln\u0131zca k\u00fc\u00e7\u00fck, geriye d\u00f6n\u00fck uyumlu geli\u015ftirmeler i\u00e7in veya aray\u00fcz\u00fcn temel amac\u0131 i\u00e7in yard\u0131mc\u0131 i\u015flevsellik sa\u011flamak i\u00e7in kullan\u0131ld\u0131\u011f\u0131ndan emin olun.
\n*   Aray\u00fczleri Sabitler \u0130\u00e7in Kullanmama:<\/strong> Java’n\u0131n ilk zamanlar\u0131nda, sabitleri gruplamak i\u00e7in “constant interface” (sabit aray\u00fcz) ad\u0131 verilen bir anti-desen yayg\u0131nd\u0131. Bir s\u0131n\u0131f\u0131n sadece sabitlere eri\u015fmek i\u00e7in bir aray\u00fcz\u00fc uygulamas\u0131, o s\u0131n\u0131f\u0131n bu aray\u00fcz\u00fcn “t\u00fcr\u00fc” oldu\u011funu yanl\u0131\u015f bir \u015fekilde belirtir. Bunun yerine, sabitler i\u00e7in public static final<\/code> alanlar\u0131 olan bir s\u0131n\u0131f veya enum kullanmak daha do\u011frudur.<\/p>\n
Yayg\u0131n Hatalar (Common Pitfalls)<\/h4>\n
*   Aray\u00fczleri Soyut S\u0131n\u0131flar Yerine Yanl\u0131\u015f Kullanma:<\/strong> Yukar\u0131da belirtilen farklar\u0131 g\u00f6z ard\u0131 ederek, ortak bir temel uygulama sa\u011flamak veya ortak bir durum payla\u015fmak gerekti\u011finde aray\u00fcz kullanmak, kodu gereksiz yere karma\u015f\u0131kla\u015ft\u0131rabilir veya k\u0131s\u0131tlayabilir.
\n*   \u00c7ok Fazla Metot \u0130\u00e7eren Aray\u00fczler (God Interface):<\/strong> Bir aray\u00fcz\u00fcn \u00e7ok fazla ve birbiriyle ilgisiz metotlar i\u00e7ermesi, onu uygulayan s\u0131n\u0131flar\u0131n gereksiz yere b\u00fcy\u00fck olmas\u0131na ve tek sorumluluk prensibini ihlal etmesine neden olur. Bu, kodu daha az esnek ve daha zor test edilebilir hale getirir.
\n*   Varsay\u0131lan Metot \u00c7at\u0131\u015fmalar\u0131n\u0131 G\u00f6z Ard\u0131 Etme:<\/strong> Bir s\u0131n\u0131f birden fazla aray\u00fcz\u00fc uygulad\u0131\u011f\u0131nda ve bu aray\u00fczler ayn\u0131 imzaya sahip varsay\u0131lan metotlar i\u00e7erdi\u011finde, bir derleme hatas\u0131 olu\u015fur. Geli\u015ftiricinin bu metodu a\u00e7\u0131k\u00e7a ge\u00e7ersiz k\u0131larak hangi uygulaman\u0131n kullan\u0131laca\u011f\u0131n\u0131 belirtmesi gerekir. Bu t\u00fcr \u00e7at\u0131\u015fmalar\u0131 \u00f6nceden tahmin etmek ve y\u00f6netmek \u00f6nemlidir.
\n*   Aray\u00fczleri K\u0131s\u0131tlay\u0131c\u0131 Bir \u015eekilde Kullanma:<\/strong> Bazen geli\u015ftiriciler, gelecekteki geni\u015flemeleri d\u00fc\u015f\u00fcnmeden \u00e7ok spesifik aray\u00fczler tan\u0131mlayabilir. Bu, daha sonra yeni gereksinimler ortaya \u00e7\u0131kt\u0131\u011f\u0131nda kodu yeniden d\u00fczenlemeyi zorla\u015ft\u0131rabilir. Geni\u015fletilebilirli\u011fi d\u00fc\u015f\u00fcnerek tasarlamak \u00f6nemlidir.<\/p>\n
Sonu\u00e7<\/h3>\n
Java’daki aray\u00fczler, soyutlama, polimorfizm ve gev\u015fek ba\u011fl\u0131l\u0131k prensiplerini uygulayarak g\u00fc\u00e7l\u00fc, esnek ve bak\u0131m\u0131 kolay yaz\u0131l\u0131m sistemleri olu\u015fturmak i\u00e7in vazge\u00e7ilmez ara\u00e7lard\u0131r. Java 8 ve 9 ile gelen varsay\u0131lan, statik ve \u00f6zel metotlar, aray\u00fczlerin yeteneklerini daha da geni\u015fletmi\u015f ve geli\u015ftiricilere daha fazla esneklik sa\u011flam\u0131\u015ft\u0131r.<\/p>\n
Bir aray\u00fcz, bir s\u0131n\u0131f\u0131n ne yapabilece\u011fini tan\u0131mlayan bir “s\u00f6zle\u015fme” g\u00f6revi g\u00f6r\u00fcrken, soyut s\u0131n\u0131flar bir “is-a” ili\u015fkisi i\u00e7inde ortak bir temel uygulama veya durum sa\u011flamak i\u00e7in kullan\u0131l\u0131r. Bu iki yap\u0131n\u0131n ne zaman ve nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 anlamak, etkili nesne y\u00f6nelimli tasar\u0131m i\u00e7in kritik \u00f6neme sahiptir.<\/p>\n
Aray\u00fczlerin tasar\u0131m desenlerindeki merkezi rol\u00fc, onlar\u0131n modern yaz\u0131l\u0131m m\u00fchendisli\u011findeki yerini peki\u015ftirmektedir. \u0130yi uygulama prensiplerine ba\u011fl\u0131 kalarak ve yayg\u0131n hatalardan ka\u00e7\u0131narak, Java geli\u015ftiricileri aray\u00fczlerin sundu\u011fu t\u00fcm avantajlardan faydalanabilir ve daha sa\u011flam, geni\u015fletilebilir ve s\u00fcrd\u00fcr\u00fclebilir uygulamalar in\u015fa edebilirler. Java ekosisteminin s\u00fcrekli evrimiyle birlikte, aray\u00fczler \u015f\u00fcphesiz gelecekte de dilin ve platformun temel bir bile\u015feni olmaya devam edecektir.<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"Java’da Aray\u00fczler: Tasar\u0131mdan Uygulamaya Kapsaml\u0131 Bir Bak\u0131\u015f\nJava programlama dilinin temel ta\u015flar\u0131ndan biri olan aray\u00fczler (interfaces), nesn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1408],"tags":[],"class_list":{"0":"post-36417","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-java","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"\nJava'da Aray\u00fczler: Tasar\u0131mdan Uygulamaya Kapsaml\u0131 Bir Bak\u0131\u015f - Kodlar\u0131n Gizemli D\u00fcnyas\u0131<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java'da Aray\u00fczler: Tasar\u0131mdan Uygulamaya Kapsaml\u0131 Bir Bak\u0131\u015f\" \/>\n<meta property=\"og:description\" content=\"Java'da Aray\u00fczler: Tasar\u0131mdan Uygulamaya Kapsaml\u0131 Bir Bak\u0131\u015f Java programlama dilinin temel ta\u015flar\u0131ndan biri olan aray\u00fczler (interfaces), nesn\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-16T00:40:44+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"18 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"Java’da Aray\u00fczler: Tasar\u0131mdan Uygulamaya Kapsaml\u0131 Bir Bak\u0131\u015f\",\"datePublished\":\"2025-12-16T00:40:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis\/\"},\"wordCount\":3125,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"articleSection\":[\"Java\"],\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/javada-arayuzler-tasarimdan-uygulamaya-kapsamli-bir-bakis\/\",\"name\":\"Java'da Aray\u00fczler: Tasar\u0131mdan Uygulamaya Kapsaml\u0131 Bir Bak\u0131\u015f - 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