RAILWAY RESERVATION

/* PROJECT ON          :  railway reservation
  COMPILED BY         :  shashank
  CLASS AND DIVISION      :  X
  ROLL NO.              :   ddd
  PROJECT STARTED ON      :  9/12/2006   Time: 7:00 p.m.
  PROJECT ENDED ON       :  
  DESCRIPTION         : To Book / Cancel ticket, Display reservation chart, 
                  Search passenger number, And exit.
 */
import java.io.*;
public class reservation
{
  InputStreamReader isr=new InputStreamReader (System.in);
  BufferedReader br=new BufferedReader (isr);
  //System.out.print("Please enter a word");
  int pno[]=new int[275];
  String name[]=new String[275];
  String phno[]=new String[275];
  int age[]=new int[275];
  int cl[]=new int[275];
  int pcount=0;
  int pnum=1;
  int max1=75;
  int max2=125;
  int max3=175;
   public void doMenu() throws Exception
  {
    int cho=0;
    do
    {
      
      System.out.println("\f");
      doHeading();
      System.out.println("1.Book ticket");
      System.out.println("2.Cancel ticket");
      System.out.println("3.Search passenger");
      System.out.println("4.Reservation chart");
      System.out.println("5.Display unbooked tickets");
      System.out.println("6.Exit");
      
      System.out.println("Please enter your choice");
      cho=Integer.parseInt(br.readLine());
      
      switch(cho)
      {
        case 1:doBook();
          break;
        case 2:doCancel();
          break;
        case 3:doSearch();
          break;
        case 4:doDispList();
          break;
        case 5:doDispUnbooked();
          break;
        case 6:doExit();
          break;
        default :System.out.println("Invalid choice");
      }
      char e=(char)br.read();
    }while(cho!=6);
  }
  private void doHeading()throws Exception
  {
    System.out.println("#########################################################");
    System.out.println("*********Railway Reservation For Kabul Express***********");
    System.out.println("#########################################################");
  }
  private void doBook()throws Exception
  {
    System.out.println("Please enter the class of ticket");
    System.out.println("1. AC\t 2. First\t 3. Sleeper\t");
    int c=Integer.parseInt(br.readLine());
    System.out.println("Please enter no. of tickets");
    int t=Integer.parseInt(br.readLine());
    int ticketAvailable=0;
    if(c==1 && max1>=t)
    {
      ticketAvailable=1;
    }
    if(c==2 && max2>=t)
    {
      ticketAvailable=1;
    }
    if(c==3 && max3>=t)
    {
      ticketAvailable=1;
    }
    if(ticketAvailable==1)
    {
      for(int i=0;i<t;i++)
      {
        pno[pcount]=pnum;
        System.out.println("Please enter your name");
        name[pcount]=br.readLine();
        System.out.println("Please enter your age");
        age[pcount]=Integer.parseInt(br.readLine());
        
        cl[pcount]=c;
        System.out.println("Please enter your phno");
        phno[pcount]=br.readLine();
        pcount++;
        pnum++;
        System.out.println("Ticket successfully booked");
      }//for
      if(c==1)
      {
        max1-=t;
        System.out.println("Please pay Rs."+t*1500);
      }
      if(c==2)
      {
        max2-=t;
        System.out.println("Please pay Rs."+t*1200);
      }
      if(c==3)
      {
        max3-=t;
        System.out.println("Please pay Rs."+t*1000);
      }
    }
  }
  private void doCancel()throws Exception
  {
    int t_pno[]=new int[275];
    String t_name[]=new String[275];
    String t_phno[]=new String[275];
    int t_age[]=new int[275];
    int t_cl[]=new int[275];
    int t_pcount=0;
    int passengerFound=0;
    
    System.out.println("Please enter your passenger no.");
    int p=Integer.parseInt(br.readLine());
    
    for(int i=0;i<pcount;i++)
    {
      if(pno[i]!=p)
      {//transfer
        
        t_pno[t_pcount]=pno[i];
        t_name[t_pcount]=name[i];
        t_phno[t_pcount]=phno[i];
        t_age[t_pcount]=age[i];
        t_cl[t_pcount]=cl[i];
        t_pcount++;
      }
      else
      {
        passengerFound=1;
        if(cl[i]==1)
        {
          max1++;
          System.out.println("Please collect refund of Rs."+1800);
        }
        if(cl[i]==2)
        {
         max2++;
        System.out.println("Please collect refund of Rs."+1500);
        }
         if(cl[i]==3)
         {
         max3++;
        System.out.println("Please collect refund of Rs."+1000);
        }//else
          
      }//if
    }
    if(passengerFound==1)
    {
      pno=t_pno;
      name=t_name;
      age=t_age;
      cl=t_cl;
      phno=t_phno;
      pcount=t_pcount;
      System.out.println("ticket successfully cancelled");
     }
  }//method
  private void doDispList()throws Exception
  {
    System.out.println("Passenger list in AC class");
        System.out.println("pno \t name \t\t age \t phno");
    
    
    for(int i=0;i<pcount;i++)
    {
      if(cl[i]==1)
      {
        
        
        System.out.println(pno[i]+"\t"+name[i]+"\t\t"+age[i]+"\t"+phno[i]);
      }
    }
    
    System.out.println("Passenger list in First class");
        System.out.println("pno \t name \t\t age \t phno");
        
           for(int i=0;i<pcount;i++)
           {
      if(cl[i]==2)
      {
        
        System.out.println(pno[i]+"\t"+name[i]+"\t\t"+age[i]+"\t"+phno[i]);
      }
    }
    
    System.out.println("Passenger list in Sleeper class");
        System.out.println("pno \t name \t\t age \t phno");
        
           for(int i=0;i<pcount;i++)
           {
      if(cl[i]==3)
      {
        
        System.out.println(pno[i]+"\t"+name[i]+"\t\t"+age[i]+"\t"+phno[i]);
      }
  }
}

  private void doSearch()throws Exception
  {
    int passengerFound=0;
    System.out.println("Please enter passenger no. to search");
    int p=Integer.parseInt(br.readLine());
    
    for(int i=0;i<pcount;i++)
    {
      if(pno[i]==p)
      {
        System.out.println("Detail found");
        passengerFound=1;
         System.out.println("passenger no.="+pno[i]); 
         System.out.println("name="+name[i]);
         System.out.println("class="+cl[i]); 
         System.out.println("phno="+phno[i]);
          System.out.println("age="+age[i]);
      }
    }//for
    if(passengerFound==0)
    System.out.println("No such passenger");
      
  }//method
  private void doDispUnbooked()throws Exception
  {
    System.out.println("No. of booked tickets status");
    System.out.println("AC class"+max1);
    System.out.println("First class"+max2);
    System.out.println("Sleeper class"+max3);
  }
  private void doExit()
  {
    System.out.println("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&");
    System.out.println("Name : Yash , Class : X, Roll No. : 13");
    System.out.println("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&");
  }
}