Project1.java~

package Project;

import java.util.*;
public class Project1
{
    //master file
    int f_id[]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,0,0,0,0};
    String f_categ[]={"Veg   ","Veg   ","Veg   ","Veg   ","Veg   ","Veg   ","Veg   ","Veg   ","Veg   ",
            "Veg   ","NonVeg","NonVeg","NonVeg","NonVeg","NonVeg","NonVeg","NonVeg","NonVeg",
            "NonVeg","NonVeg","","","",""};
    String f_name[]={"Paneer Tikka     ","Crispy Corn      ","Veg Seekh Kebab  ","Veg Manchurian   ",
            "Golden Coin      ","Hara Bhara Kebab ","Pav Bhaji        ","Palak Paneer     ",
            "Spicy Mushroom   ","Mix Vegetable    ","Chicken Tikka    ","Murgh Malai Tikka",
            "Tandoori Chicken ","Prawn Fry        ","Tandoori Prawns  ","Fish Ajwain Tikka",
            "Pomphret         ","Chilly Chicken   ","Chicken 65       ","Murgh Spicy Tikka",
            "","","",""};
    int f_qty[]={20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,0,0,0,0};
    int f_cost[]={110,120,170,100,90,100,90,150,175,160,250,210,290,310,220,350,270,230,230,
            240,0,0,0,0};
    char f_remove[]={'n','n','n','n','n','n','n','n','n','n','n','n','n','n','n','n','n','n',
            'n','n','n','n','n','n'};

    //transaction file
    int cno=101;
    int c_id[]={101,102,103,0,0,0,0};
    int c_m_id[]={13,3,14,0,0,0,0};
    String c_name[]={"Aditya","Nainil","Kunind","","","",""};
    String c_mob[]={"9892180188","9820553197","9867651974","","","",""};
    String c_m_type[]={"NonVeg","Veg   ","NonVeg","","","",""};
    String c_m_name[]={"Tandoori Chicken","Veg Seekh Kebab ","Prawn Fry       ","","","",""};
    int c_m_qty[]={2,3,2,0,0,0,0};
    int c_m_amt[]={580,510,620,0,0,0,0};

    Scanner sc=new Scanner(System.in);
    int k=19;int k1=2;
    void main()
    {
        int ch,conti=1,out=0;

        do
        {
            System.out.println("\f");
            System.out.println("\t\t\t\t********** The Urban Tadka **********");
            System.out.println();
            System.out.println("\t\t\t\t\t\tWelcome!!");
            System.out.println("1.MENU");
            System.out.println("2.REGISTER");
            System.out.println("3.ORDER");
            System.out.println("4.ADD");
            System.out.println("5.DELETE");
            System.out.println("6.MODIFY");
            System.out.println("7.REPORT");
            System.out.println("8.BILL");

            while(true)
            {
                try
                {
                    System.out.println("Enter your choice");
                    ch=sc.nextInt();
                    break;
                }
                catch(InputMismatchException ob)
                {
                    System.out.println("ENTER A NUMBER ONLY!");
                    String db=sc.nextLine();
                }
            }
            switch(ch)
            {
                case 1:
                menu();
                break;
                case 2:
                register();
                break;
                case 3:
                //order();
                break;
                case 4:
                add();
                break;
                case 5:
                delete();
                break;
                case 6:
                //modify();
                break;
                case 7:
                //report();
                break;
                case 8:
                //bill();
                break;
                default:
                System.out.println("**INVALID CHOICE**");

            }
            if(out==0)
            {
                while(true)
                {
                    try
                    {
                        System.out.println("Press 1 to re-enter choice and enter any other number to exit");
                        conti=sc.nextInt();
                        break;
                    }
                    catch(InputMismatchException ob)
                    {
                        System.out.println("ENTER A NUMBER ONLY!");
                        String db=sc.nextLine();
                    }
                }
            }
        } while(conti==1);
        System.out.println("\t\t\t\tTHANK YOU!!"); 
        System.out.println("\t\t\t\tVISIT AGAIN!!");

    }

    void menu()
    {
        int i;
        System.out.println("\f");
        System.out.println("ID:\t\t"+"Category:\t"+"Name:\t\t\t\t"+"Quantity:\t"+"Cost:"); 

        for(i=0;i<=k;i++)
        {
            if(f_remove[i]!='y')
            {
                System.out.println(f_id[i]+"\t\t"+f_categ[i]+"\t\t"+f_name[i]+"\t\t"+f_qty[i]+"\t\t"+f_cost[i]);
            }
        }
    }

    void register()
    {  
        int l;
        k1++;
        c_id[k1]=++c_id[k1-1];
        System.out.println("Your customer ID is :"+c_id[k1]);

        System.out.println("Enter your name:");
        c_name[k1]=sc.nextLine();

        while(true)
        {

            System.out.println("Enter your mobile number:");
            c_mob[k1]=sc.next();

            l=c_mob[k1].length();
            
            if(l==10)
            {
                break;
            }
            else
            {
                System.out.println("A MOBILE NUMBER IS OF 10 DIGITS!");
                System.out.println("YOU HAVE TO ENTER YOUR NUMBER AGAIN");
            }
        }
    }
    
    void order()
    {

    }

    void add()
    {
        char categ;
        k++;
        System.out.println("\f");
        System.out.println("Enter the specifications of the dish you want to add");
        System.out.println();
        while(true)
        {
            System.out.println("Enter \'V\' for Veg and \'N\' for NonVeg");
            categ=sc.next().charAt(0);
            if(categ=='V'||categ=='v')
            {
                f_categ[k]="Veg   ";
                break;
            }
            else if(categ=='N'||categ=='n')
            {
                f_categ[k]="NonVeg";
                break;
            }
            else
            {
                System.out.println("WRONG INPUT!");
            }
        }

        while(true)
        {
            try
            {
                System.out.println("Enter the quantity of the dish available");
                f_qty[k]=sc.nextInt();
                break;
            }
            catch(InputMismatchException ob)
            {
                System.out.println("ENTER A NUMBER ONLY!");
                String db=sc.nextLine();
            }
        }

        while(true)
        {
            try
            {
                System.out.println("Enter the cost of the dish:");
                f_cost[k]=sc.nextInt();
                break;
            }
            catch(InputMismatchException ob)
            {
                System.out.println("ENTER A NUMBER ONLY");
                String db=sc.nextLine();
            }
        }

        String db=sc.nextLine();
        System.out.println("Enter the name of the dish");
        f_name[k]=sc.nextLine();

        System.out.println("The ID of the new dish is:"+(k+1));
        f_id[k]=k+1;
    }

    void delete()
    {
        int id;
        menu();
        System.out.println();
        while(true)
        {
            while(true)
            {
                try
                {
                    System.out.println("Enter the ID of the dish you want to remove:");
                    id=sc.nextInt();
                    break;
                }
                catch(InputMismatchException ob)
                {
                    System.out.println("ENTER A NUMBER ONLY!!");
                    String db=sc.nextLine();
                }
            }
            if(id>k+1)
            {
                System.out.println("INVALID DISH ID!");
            }
            else
            {
                f_remove[id-1]='y';
                break;
            }
        }

    }

    void modify()
    {
        int ch,id,ncost,nqty;char selec;

        while(true)
        {
            System.out.println("\f");
            System.out.println("What do you want to modify?");
            System.out.println("1.COST");
            System.out.println("2.QUANTITY");

            while(true)
            {
                try
                {
                    System.out.println("Enter your choice");
                    ch=sc.nextInt();
                    break;
                }
                catch(InputMismatchException ob)
                {
                    System.out.println("ENTER A NUMBER ONLY!");
                    String db=sc.nextLine();
                }
            }

            if(ch==1)
            {
                while(true)
                {
                    while(true)
                    {
                        try
                        {
                            System.out.println("Enter the ID of the dish whose cost you want to change:");
                            id=sc.nextInt();
                            break;
                        }
                        catch(InputMismatchException ob)
                        {
                            System.out.println("ENTER A NUMBER ONLY!!");
                            String db=sc.nextLine();
                        }
                    }
                    if(id>k+1)
                    {
                        System.out.println("INVALID ID!");
                    }
                    else
                    {
                        System.out.println("Enter the new cost of the dish:");
                        nqty=sc.nextInt();
                        System.out.println("Are you sure you want to change the cost?");
                        System.out.println("Enter \'Y\' for YES and \'N\' for NO");
                        selec=sc.next().charAt(0);
                        if(selec=='Y'||selec=='y')
                        {
                            f_cost[id]=nqty;
                            System.out.println("Your quantity has been changed");
                            break;
                        }
                        else if(selec=='N'||selec=='n')
                        {
                            System.out.println("Your quantity has not beem changed");
                            break;
                        }
                        else
                        {
                            System.out.println("Wrong Input");
                        }
                    }
                }
                break;
            }
            else if(ch==2)
            {
                while(true)
                {
                    while(true)
                    {
                        try
                        {
                            System.out.println("Enter the ID of the dish whose quantity you want to change:");
                            id=sc.nextInt();
                            break;
                        }
                        catch(InputMismatchException ob)
                        {
                            System.out.println("ENTER A NUMBER ONLY!!");
                            String db=sc.nextLine();
                        }
                    }
                    if(id>k+1)
                    {
                        System.out.println("INVALID ID!");
                    }
                    else
                    {
                        System.out.println("Enter the new quantity of the dish:");
                        nqty=sc.nextInt();
                        System.out.println("Are you sure you want to change the quantity?");
                        System.out.println("Enter \'Y\' for YES and \'N\' for NO");
                        selec=sc.next().charAt(0);
                        if(selec=='Y'||selec=='y')
                        {
                            f_cost[id]=nqty;
                            System.out.println("Your quantity has been changed");
                            break;
                        }
                        else if(selec=='N'||selec=='n')
                        {
                            System.out.println("Your quantity has not beem changed");
                            break;
                        }
                        else
                        {
                            System.out.println("Wrong Input");
                        }
                    }
                }
                break;
            }
            else
            {
                System.out.println("WRONG CHOICE!");
                System.out.println("Please enter again");
            }
        }
    }

    void report()
    {
    }

    void bill()
    {   
    }
}