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Java is expected to compose the projects, the Android SDK is expected to make those projects keep running on Android and Android Studio has the activity of assembling it for you. It is an architectural style that defines a set of rules in order to create Web Services. By the end of this … In this tutorial, you'll learn how to create simple PHP REST API with MySQL without any framework at the beginner's stage. DOCKER | Step by Step for Beginners | with Sample Project. Java Programs for Beginners Java Tutorial for Beginners Java Tutorial for Professionals Java Collections Tutorial Java String Tutorial Java Exceptions Tutorial Java Regex Tutorial Java Multithreading Tutorial Java Generics Tutorial Java IO Tutorial JDBC Tutorial JavaFX Tutorial Swing Tutorial. Retrofit is a REST Client for Android and Java. What is Java API … 3.2. 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