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Write a program for restaurant

Posted By: Jackson Bouchard     Category: Java     Views: 16807

Write a program for restaurant. When customer place an order then and only then Manager can take the Order or generate a bill of an Order. Use Inter Thread Communication. And customerOrder the customer order After it place the Order. You have to customerOrder minimum three order of the customer.

Code for Write a program for restaurant in Java

import java.io.*;

class customerOrder
{
    boolean valueset=false;
    String str[]=new String[3];

    synchronized void d_takeOrder(Thread t)
    {
        if(valueset)
        {
            try
            {
                wait();        
            }catch(InterruptedException e)
            {
                System.out.println(e);
            }
        }
        System.out.println("\n"+t);
        try
        {
            BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
            for(int i=0;i<3;i++)
            {
                System.out.print("\n Take an Order "+(i+1)+" :: ");
                str[i]=br.readLine();
            }
        }catch(IOException e)
        {
            System.out.println(e);
        }

        valueset=true;
        notify();
    }
    synchronized void d_dispOrder(Thread t)
    {
        if(!valueset)
        {
            try
            {
                wait();        
            }catch(InterruptedException e)
            {
                System.out.println(e);
            }
        }
        System.out.println("\n"+t);
        for(int i=0;i<3;i++)
        {
            System.out.print("\n Place an Order "+(i+1)+" :: "+str[i]);
        }
        valueset=false;
        notify();
    }
    
}
class takeOrder implements Runnable
{
    customerOrder d;
    Thread t;
    takeOrder(customerOrder d)
    {
        this.d=d;
        t=new Thread(this,"Manager take an order");
        t.start();
    }
    publicvoid run()
    {
        for(int i=0;i<2;i++)
        {
            d.d_takeOrder(t);
        }
    }
}
class dispOrder implements Runnable
{
    customerOrder d;
    Thread t;
    dispOrder(customerOrder d)
    {
        this.d=d;
        t=new Thread(this,"Manager place an order");
        t.start();
    }
    publicvoid run()
    {
        for(int i=0;i<2;i++)
        {
            d.d_dispOrder(t);
        }
    }
}
class Restaurant
{
    publicstaticvoid main(String args[])
    {
        customerOrder d=new customerOrder();
        new takeOrder(d);
        new dispOrder(d);
    }
}
/*
Output

Thread[Manager take an order,5,main]

Take an Order 1 :: 2 Roti

Take an Order 2 :: 1 plat Veg.Jaipuri Sabji

Take an Order 3 :: 1 plat Pulav

Thread[Manager place an order,5,main]

Place an Order 1 :: 2 Roti
Place an Order 2 :: 1 plat Veg.Jaipuri Sabji
Place an Order 3 :: 1 plat Pulav

Thread[Manager take an order,5,main]

Take an Order 1 :: 3 Roti

Take an Order 2 :: 1 plat Paneerkadai Sabji

Take an Order 3 :: 1 plat Biriyani

Thread[Manager place an order,5,main]

Place an Order 1 :: 3 Roti
Place an Order 2 :: 1 plat Paneerkadai Sabji
Place an Order 3 :: 1 plat Biriyani

*/
  
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Jackson Bouchard
Jackson Bouchard author of Write a program for restaurant is from Montreal, Canada.
 
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