/**

* Day 35 - Spring Boot: Architecture Example

*/

// Simulating Spring Boot layers

class Product {

public int id;

public String name;

public double price;

public Product(int id, String name, double price) {

this.id = id;

this.name = name;

this.price = price;

}

}

// Repository layer

class ProductRepository {

public Product findById(int id) {

return new Product(id, "Sample Product", 99.99);

}

}

// Service layer

class ProductService {

private ProductRepository repository = new ProductRepository();

public Product getProduct(int id) {

return repository.findById(id);

}

}

// Controller layer

class ProductController {

private ProductService service = new ProductService();

public void handleRequest(int id) {

Product product = service.getProduct(id);

System.out.println("Product: " + product.name + " - $" + product.price);

}

}

public class ArchitectureExample {

public static void main(String[] args) {

System.out.println("=== Spring Boot Architecture ===\n");

ProductController controller = new ProductController();

controller.handleRequest(1);

}

}