Knowledge Factory

Creating an iOS application that interacts with a Spring Boot backend for CRUD operations involves several steps. Below is a high-level outline of the process, including sample implementations: Backend: Spring Boot Set Up the Spring Boot Project Use Spring Initializr to generate a Spring Boot project with dependencies like: Spring Web Spring Data JPA H2 Database (or any other DB like MySQL/PostgreSQL) Spring Boot DevTools Define the Entity Class @Entity public class Item { @Id @GeneratedValue (strategy = GenerationType.IDENTITY) private Long id; private String name; private String description; // Getters and setters } Create the Repository public interface ItemRepository extends JpaRepository < Item , Long > {} Build the Controller @RestController @RequestMapping( "/api/items" ) public class ItemController { @Autowired private ItemRepository repository; @GetMapping public List<Item> getAllItems() { ...

In this section,  we will learn how to build REST CRUD APIs with Spring Boot , and Astra DB . Astra DB DataStax Astra DB is a cloud-native, scalable Database-as-a-Service built on Apache Cassandra . Create a Database First, Sign into the datastax at https://astra.datastax.com . Then click on the "Databases" button. You will be taken to a page like the below image, then click on the " Create Database " button. Then enter Database name , Provider , and, Region , then click on the " Create Database " button. Now, You can see "Your database is initializing..." like the below image. You will be taken to a page like the below image. Copy " Database ID " and " region name " and keep them for future purposes. Generate Application Token Mocking Then click on " Tokens " button. You will be taken to a page like the below image, Then select role, for demo purpose here we selected role " Administrator User ". Then clic...