Answer / shafi . shaik

//The Concepts of interface classes in Java (Function
Overriding
#include<iostream.h>
#include<conio.h>
class A
{
public:
virtual void cal()
{
}
};
class B:public A
{
public:
void cal()
{
cout<<"Addition"<<10+20;
}
};
class C:public A
{
public:
void cal()
{
cout<<"Multiplication"<<10*20;
}
};
void main()
{
clrscr();
A *p;
B ob;
C ob1;
p=&ob;
p->cal();
p=&ob1;
p->cal();
getch();
}

int x=5; printf("%d%d%d",x,x<<2,x>>2);

2 Answers   TANCET,

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CAN ANYONE PLEASE HELP ON THIS PROGRAM FOR MY EXAM..TQ Write a C program to help a H’s Restaurant automate its breakfast billing system. Your assignment should implement the following items: a. Show the customer the different breakfast items offered by the H’s Restaurant. b. Allow the customer to select more than one item from the menu. c. Calculate and print the bill to the customer. d. Produce a report to present your complete program and show more sample output. Assume that the H’s Restaurant offers the following breakfast menu: Plain Egg $2.50 Bacon and Egg $3.45 Muffin $2.20 French Toast $2.95 Fruit Basket $3.45 Cereal $0.70 Coffee $1.50 Tea $1.80 Your program must do the following task below: a. Define the data structs, menu item types with two components: menu item of type string and menu price of type double. Use an array to declare the data structs. b. Function get data to loads the data into the array menu list. c. Function show menu to show the different breakfast items offered by the restaurant and tell the user how to select the items. d. Function print receipt to calculates and prints the customer receipt. The billing amount should include a 5% tax. e. Format your output with two decimal places. The name of each item in the output must be left-justify. You may assume that the user selects only one item of a particular type. f. The two sample output as shown: Welcome to HiFi’s Restaurant 1 Bacon and Egg $3.45 1 Muffin $2.20 1 Coffee $1.50 Tax 5% $0.35 Amount Due $7.50

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