import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.RestController; import java.util.*; @RestController public class CheckoutController { @GetMapping("/checkout") public Map checkout( @RequestParam String products, @RequestParam(required = false) String coupon) { // Parse products Map productQuantities = new HashMap<>(); for (String productEntry : products.split(",")) { String[] parts = productEntry.split(":"); productQuantities.put( parts[0], // Product ID Integer.parseInt(parts[1]) // Quantity ); } // Build result Map result = new HashMap<>(); result.put("products", productQuantities); result.put("coupon", coupon != null ? coupon : "No coupon applied"); return result; } }

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Stephen Patrick

Stephen Patrick

Writer

Functional Organization Expert

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Join date: Feb 2, 2024

Posts (119)

Jul 26, 2026 ∙ 7 min

Single, Double, or Triple Spacing: How to Choose the Right Layout for Your Closet

Have you ever opened your closet doors only to face a messy wall of tangled hangers, jammed fabric, and hidden clothes? You are definitely not alone. Most of us lose precious time every morning just digging through a chaotic wardrobe. While many people think the solution is buying more storage bins or color-coding their shirts, the real issue is much simpler: your hangers are constantly sliding, bunching up, and overlapping. When clothes are crammed together, they get wrinkled, don't get...

Jul 17, 2026 ∙ 6 min

Closet Dividers vs. Spacing Tape: Which Actually Keeps Hangers in Place?

Have you ever spent an entire Sunday afternoon organizing your closet, only to watch it devolve into a chaotic, tangled mess of clothes by Wednesday morning? You pull out one jacket, and three other hangers slide with it, crushing your freshly ironed shirts. A flawless wardrobe cannot be created by just throwing away old clothes. A functionally organized wardrobe is all about how you manage physical space. Two primary tools dominate the market to solve this frustration: traditional closet...

Jun 16, 2026 ∙ 7 min

The Top 5 Custom Closet Myths Debunked

Have you ever stared at a jammed, chaotic wardrobe and thought, "I’ll never get this under control unless I spend thousands on a complete remodel"? If so, you are not alone. When it comes to home organization, wardrobe design is a topic surrounded by many misconceptions. People often believe that maintaining a pristine, functional closet requires a massive budget, a massive architectural footprint, or an innate "neat freak" gene. But what if the obstacles keeping you from your dream wardrobe...

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