Question – 4
import java.util.*;
class RailwayTicket
{
    String name,coach;
    long mobno;
    int amt,totalamt;
    void accept()
    {
        Scanner inp = new Scanner(System.in);
        System.out.print("Enter Name of the Customer : ");
        name=inp.nextLine();
        System.out.print("Enter Coach : ");
        coach=inp.nextLine();
        System.out.print("Enter Mobile Number : ");
        mobno=inp.nextLong();
        System.out.print("Enter amount : ");
        amt=inp.nextInt();
    }
    void update()
    {
        if(coach.equals("First_AC"))
        totalamt=(amt+700);
        else if(coach.equals("Second_AC"))
        totalamt=amt+500;
        else if(coach.equals("Third_AC"))
        totalamt=amt+250;
        else if(coach.equals("Sleeper"))
        totalamt=amt+0;
    }
    void display()
    {
        System.out.println("\tCst.Name \tCoach \ttot. amt.\tMob. No.");
        System.out.println("\t"+name+"\t"+coach+"\t"+totalamt+"\t"+mobno);
    }
    public static void main()
    {
        RailwayTicket obj = new RailwayTicket();
        obj.accept();
        obj.update();
        obj.display();
    }
}