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 (120)

Aug 12, 2026 ∙ 6 min

How to Stop Hangers From Sliding Together in Your Closet

A cluttered, cramped closet is a frustrating start to any morning. You slide one item over to view an outfit, and half a dozen hangers immediately cascade with it, bunching up on one side of the rod. Clothes end up crushed, wrinkled, and difficult to see. If you are wondering how to stop hangers from sliding together in your closet, you are dealing with a universal problem: clothes sliding across your closet rods and uneven weight distribution of your clothes. When hangers slide freely along...

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. Check our Product on Amazon: Roomedys® Spacing Tape for Hangers...

Jul 17, 2026 ∙ 7 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...

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