Write the main class of this Java program vending machine DESIGN A VENDING MACHINE IN JAVA10 CLASSESVendingMachineIt defines the public API of a vending machine, usually, all high-level functionality should go in this classVendingMachineImplA sample implementation of Vending MachineVendingMachineFactoryA Factory class to create different kinds of Vending MachineItemJava Enum to represent Item served by Vending MachineInventoryJava class to represent an Inventory, used for creating the caseand item inventory inside Vending MachineCoinAnother Java Enum to represent Coins supported by VendingMachineBucketA parameterized class to hold two objects. It's kind of Pair class.NotFullPaidExceptionAn Exception is thrown by Vending Machine when a user tries tocollect an item, without paying the full amount.NotsufficientChangeExceptionVending Machine throws this exception to indicate that it doesn't have sufficient change to complete this request.SoldoutExcepitonVending Machine throws this exception if the user requests aproduct that is sold out.Problem StatementYou need to design a Vending Machine which1. Accepts coins of 1,5,10,25 Cents i.e. penny, nickel, dime,and quarter.2. Allow user to select products Coke(25), Pepsi(35), Soda(45)3. Allow user to take refund by canceling the request.4. Return the selected product and remaining change if any5. Allow reset operation for vending machine supplier.VendingMachine ClassFieldecount: Int- capacity: Int- moneyCollected: int- manufacturer: string+ Dieplay(): void• DiaponsoProducts): void+ Refili(): voldMethods

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Write the main class of this Java program vending machine

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Write the main class of this Java program vending machine

DESIGN A VENDING MACHINE IN JAVA
10 CLASSES
VendingMachine
It defines the public API of a vending machine, usually, all high-
level functionality should go in this class
VendingMachineImpl
A sample implementation of Vending Machine
VendingMachineFactory
A Factory class to create different kinds of Vending Machine
Item
Java Enum to represent Item served by Vending Machine
Inventory
Java class to represent an Inventory, used for creating the case
and item inventory inside Vending Machine
Coin
Another Java Enum to represent Coins supported by Vending
Machine
Bucket
A parameterized class to hold two objects. It's kind of Pair class.
NotFullPaidException
An Exception is thrown by Vending Machine when a user tries to
collect an item, without paying the full amount.
NotsufficientChangeException
Vending Machine throws this exception to indicate that it doesn't

have sufficient change to complete this request.
SoldoutExcepiton
Vending Machine throws this exception if the user requests a
product that is sold out.
Problem Statement
You need to design a Vending Machine which
1. Accepts coins of 1,5,10,25 Cents i.e. penny, nickel, dime,
and quarter.
2. Allow user to select products Coke(25), Pepsi(35), Soda(45)
3. Allow user to take refund by canceling the request.
4. Return the selected product and remaining change if any
5. Allow reset operation for vending machine supplier.
VendingMachine Class
Fielde
count: Int
- capacity: Int
- moneyCollected: int
- manufacturer: string
+ Dieplay(): void
• DiaponsoProducts): void
+ Refili(): vold
Methods

Process by which instructions are given to a computer, software program, or application using code.

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