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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Social Studies Lessons

Hands planting a sapling in soil, surrounded by greenery. Text: Earth Day Projects to build critical thinking. www.annemarkey.com.

Hands planting a sapling in soil, surrounded by greenery. Text: Earth Day Projects to build critical thinking. www.annemarkey.com.

Earth Day Projects: Using Sustainability Scenarios to Build Critical Thinking

Empower your students to solve real-world environmental challenges with these Earth Day sustainability scenarios. Explore three hands-on Earth Day projects designed to build critical thinking by analyzing human impact, ethics, and global problem-solving in the K-12 classroom.

Anne Markey

Mar 245 min read

Smiling girl with curly hair and backpack stands in front of a brick wall. Text: Black History Month writing projects.

Smiling girl with curly hair and backpack stands in front of a brick wall. Text: Black History Month writing projects.

Black History Month Writing Projects That Celebrate Canadian Voices

Explore Black History Month writing projects that celebrate Canadian voices. Engage students in meaningful learning and reflection with these projects.

Anne Markey

Jan 274 min read

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