Question

JAVA CODE ---

from the book, java programming (7th edition) chapter 7 carly's question

I am getting a illegal expression error and don't know how to fix it, also may be a few other error please help

CODE BELOW

import java.util.Scanner;
public class Event
{
public static double pricePerGuestHigh = 35.00;
public static double pricePerGuestLow = 32.00;
public static final int LARGE_EVENT_MAX = 50;
public String phnum="";
public String eventNumber="";
private int guests;
private double pricePerEvent;

public void setPhoneNumber()
{
Scanner s = new Scanner(System.in);
int count = 0;

System.out.println("Enter Phone Number: ");
String pnumb=s.nextLine();
int len=pnumb.length();
for(int i=0;i
{
char c=pnumb.charAt(i);
if(Character.isDigit(c))
{
count++;
String ss=Character.toString(c);
phnum=phnum.concat(ss);
}
}

if(count!=10)
{
phnum="";
phnum=phnum.concat("0000000000");
}

}
public String getPhoneNumber()
{
String ret="("+this.phnum.charAt(0)
+""+this.phnum.charAt(1)+""+this.phnum.charAt(2)
+")"+this.phnum.charAt(3)+""+this.phnum.charAt(4)
+""+this.phnum.charAt(5)+""+this.phnum.charAt(6)
+""+this.phnum.charAt(7)+""+this.phnum.charAt(8)
+""+this.phnum.charAt(9);

return ret;
}

public void setEventNumber()
{
Scanner scanner = new Scanner(System.in);
int len;
System.out.println("Enter 4 digit event number: ");
String enumb = scanner.nextLine();

len=enumb = scanner.nextLine();
len=enumb.length();

char c1,c2,c3,c4;
String defv="A000";
c1=enumb.charAt(0);
c2=enumb.charAt(1);
c3=enumb.charAt(2);
c4=enumb.charAt(3);

if(Character.isLetter(c1) &&
Character.isDigit(c2) &&
Character.isDigit(c3) &&
Character.isDigit(c4))
{
enumb=enumb.toUpperCase();
eventNumber=eventNumber.concat(enumb);
}

else
{
eventNumber=eventNumber.concat(defv);
}

}

public void setGuests(int guests)
{

this.guests = guests;
if(isLargeEvent())
PricePerEvent=pricePerGuestHigh;
else
PricePerEvent=pricePerGuestLow;
}
public int getGuestCount()
{
return guests;
}
public boolean isLargeEvent()
{
if(guest>= LARGE_EVENT_MAX)
{
return true;
}
else if (guests < LARGE_EVENT_MAX)
{
return false;
}

return isLargeEvent();
}

public String getEventNumber()
{
String ret1="Event Number:"
+this.eventNumber;
return ret1;
}
public int getGuests(boolean largeEvent)
{
return guests;
}

}

Answer 1

import java.util.Scanner;

public class Event
{
   public static double pricePerGuestHigh = 35.00;
   public static double pricePerGuestLow = 32.00;
   public static final int LARGE_EVENT_MAX = 50;
   public String phnum="";
   public String eventNumber="";
   private int guests;
   private double pricePerEvent;
  
   public void setPhoneNumber()
   {
       Scanner s = new Scanner(System.in);
       int count = 0;
      
       System.out.println("Enter Phone Number: ");
       String pnumb=s.nextLine();
       int len=pnumb.length();

       for(int i=0;i<len; i++)
       {
           char c=pnumb.charAt(i);
           if(Character.isDigit(c))
           {
               count++;
               String ss=Character.toString(c);
               phnum=phnum.concat(ss);
           }
       }
      
       if(count!=10)
       {
           phnum="";
           phnum=phnum.concat("0000000000");
       }  
   }

   public String getPhoneNumber()
   {
       String ret="("+this.phnum.charAt(0)
       +""+this.phnum.charAt(1)+""+this.phnum.charAt(2)
       +")"+this.phnum.charAt(3)+""+this.phnum.charAt(4)
       +""+this.phnum.charAt(5)+""+this.phnum.charAt(6)
       +""+this.phnum.charAt(7)+""+this.phnum.charAt(8)
       +""+this.phnum.charAt(9);
  
       return ret;
   }
  
   public void setEventNumber()
   {
       Scanner scanner = new Scanner(System.in);
       int len;
       System.out.println("Enter 4 digit event number: ");
       String enumb = scanner.nextLine();
      
       len=enumb.length();
      
       char c1,c2,c3,c4;
       String defv="A000";
       c1=enumb.charAt(0);
       c2=enumb.charAt(1);
       c3=enumb.charAt(2);
       c4=enumb.charAt(3);
      
       if(Character.isLetter(c1) &&
       Character.isDigit(c2) &&
       Character.isDigit(c3) &&
       Character.isDigit(c4))
       {
           enumb=enumb.toUpperCase();
           eventNumber=eventNumber.concat(enumb);
       }      
       else
       {
           eventNumber=eventNumber.concat(defv);
       }
   }
  
   public void setGuests(int guests)
   {
       this.guests = guests;
       if(isLargeEvent())
           pricePerEvent=pricePerGuestHigh;
       else
           pricePerEvent=pricePerGuestLow;
   }

   public int getGuestCount()
   {
       return guests;
   }
  
   public boolean isLargeEvent()
   {
       if(guests>= LARGE_EVENT_MAX)
       {
           return true;
       }
       else if (guests < LARGE_EVENT_MAX)
       {
           return false;
       }
  
       return isLargeEvent();
   }
  
   public String getEventNumber()
   {
       String ret1="Event Number:"
       +this.eventNumber;
       return ret1;
   }

   public int getGuests(boolean largeEvent)
   {
       return guests;
   }
}

/************************************************************************/

/* You can add the following main method */

class Driver
{
   public static void main (String[] args)
   {
       Event e = new Event();
       e.setPhoneNumber();
       e.setEventNumber();
       e.setGuests(2);
   }
}