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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Did you Know that Guitars have up to 150 individual notes on one Fretboard & no geographical clues on how to locate them like a piano does?

 

FretMaps  is the world's only removable vinyl sticker system for your guitar's fretboard and will enable you to be able to read music, find notes, and apply it straight to the guitar. Best of all, it's completely analog with no apps, batteries, cords, or screens. At a glance, you can locate 78 fretboard notes in flats, sharps, and naturals, learn and master a solo in faster time, memorize the fretboard years ahead of everyone else, and understand that the guitar is simply six pianos running horizontally. An amazing gift for any guitar player from beginner to pro!

 

With FretMaps there is no longer a reason guitar should be so much more difficult than piano to learn, to play, to read notes, to find notes, and to use sheet music.

 

FretMaps is the brainchild, 20 years in the making, of a musician and music teacher.

Are you ready to understand Guitar in 2 minutes as if you've been playing for 20 years?

Easy to use and understand at first sight, FretMaps is a game changer for every level of player.

 

FretMaps  is repositionable and displays an entire one octave map of the guitar's fretboard, that's 78 music notes! Features easy to see black and white key names for easy location of sharps #, flats b, open string names, and side fretboard guides.

Everything the guitar is missing, the greatest stringed instrument invention since the actual guitar.

 

Right & Left Handed... So the "Leftys" aren't Left Out!

 

"I am so excited to share my invention with you, for 20 years I have been teaching music and perfecting this concept. The results work like a dream and the joy on each new users face is what motivated me to make this available for all musicians, not just  my students."

Musically,

Aja Lee Faasse

Teacher, Inventor & Musician

 

FretMaps is designed to last for up to one year of regular-heavy playing

See Youtube for more!

 

*Fits all Industry Standard Full-size and Half-size Guitar Fretboards.

If you are not sure what size your guitar is, simply google search the name, make and model, located on the headstock, and inside of the soundhole you will see a sticker with all the info you need. Once you are sure what type and size you have then order the correct FretMaps System and Enjoy your new Music Journey! If your not sure what to do with it at first, check out the FretMaps 365 Day Learning Book, comes in both PDF and Coloring Book Formats!

 

*Some toy and off-brand models may not be made to exacting standards fretboard sizes and will still fit FretMaps but not as perfectly as Industry standard rated and measured models.

Some examples of these standard sized Brands are

Fender, Gibson, Epiphone, Yamaha, Orangewood, Martin & Taylor

FretMaps System for Acoustic & Electric Guitar

$30.00Price
Quantity

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