Java Assignment Help Tutorial

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Description of RoastDinner Class

Methods

virtual int getPrice()=0;

virtual void getOrderDetails()=0;

virtual void printOrder()=0;

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virtual void addExtraMeat() = 0;

virtual void addExtraSide() = 0;

these are pure virtual function that will be overrided by the subclasses, to provide the behaviour according to the meal type

const char * getMeatName(char meatChar)

 It takes a single character as arguement and return the full name of meat.

 const char * getSideName(char sideChar)

 It takes a single character as arguement and return the full name of side.

Description of Medium Class

Methods

Medium()

It is the default constructor

void getOrderDetails()

This method generates the menu for the order, if user wishes to have a medium dinner

void printOrder()

This method is used to print the order details

int getPrice()

This method returns the price of the dinner

void addExtraMeat()

This method is used to add extra meat to the order

void addExtraSide()

This method is used to add extra side to the order

Description of Large Class

Methods

Large()

It is the default constructor

void getOrderDetails()

This method generates the menu for the order, if user wishes to have a large dinner

void printOrder()

This method is used to print the order details

int getPrice()

This method returns the price of the dinner

void addExtraMeat()

This method is used to add extra meat to the order

void addExtraSide()

This method is used to add extra side to the order

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Description of XtraLarge Class

Methods

XtraLarge()

It is the default constructor

void getOrderDetails()

This method generates the menu for the order, if user wishes to have an extra large dinner

void printOrder()

This method is used to print the order details

int getPrice()

This method returns the price of the dinner

void addExtraMeat()

This method is used to add extra meat to the order

void addExtraSide()

This method is used to add extra side to the order

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Main Method

In main function I have used polymorphism to store order details. I have created a vector, in which I have stored an object of the Medium, Large or Extra large classes according to user choice.

First of all I asked user to input his name and mobile number after that I have an infinite loop that will break when the user completes the order

 In loop first I read the choice dinner M, L, X then I created an object of the appropriate class and called the class method to read order details. This process continues till user order was not completed.

After completion of order, I called the printOrder() method in a loop that will print all order details.

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Created on Sep 4th 2017 07:07. Viewed 467 times.

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