Question

I'm getting an error with my code on my EvenDemo class. I am supposed to have two classes, Event and Event Demo. Below is my code.  What is a better way for me to write this?

//********************************************************
// Event Class code
//********************************************************

package java1;

import java.util.Scanner;

public class Event {
   public final static double lowerPricePerGuest = 32.00;
   public final static double higherPricePerGuest = 35.00;
   public final static int cutOffValue = 50;
   public boolean largeEvent;
   private String eventNum;
   private int numGuests;
   private double price;
   private double pricePerGuest;
   public Event(String event, int guests) {
   eventNum = event;
   numGuests = guests;
   }
   public Event() {
   this("A000", 0);
   }
   private Scanner input = new Scanner(System.in);
   public void setEventNumber() {
   System.out.print("Please enter your event number (i.e. A001): ");
   eventNum = input.nextLine();
   }
   public void setNumOfGuests() {
   System.out.print("Please enter the number of guests that will be attending? ");
   numGuests = input.nextInt();
   if (isLargeEvent()) {
   pricePerGuest = lowerPricePerGuest;
   }
   else {
   pricePerGuest = higherPricePerGuest;
   }
   price = numGuests * pricePerGuest;
   largeEvent = (numGuests >= cutOffValue);
   System.out.println("");
   }
   public boolean isLargeEvent() {
   if (this.getNumOfGuests() > 50) {
       return true;
   }
   else {
   return false;
   }
   }
   public String getEventNumber() {
   return eventNum;
   }
   public int getNumOfGuests() {
   return numGuests;
   }
   public double getPrice() {
   return price;
   }
   }
//********************************************************
// Event Demo Class code
//********************************************************
package java1;
import java.util.Scanner;
public class EventDemo {
   public static void main(String[] args) {
       Event eventOne = new Event();
       Event eventTwo = new Event();
       Event eventThree = new Event();
       System.out.println("Enter Details of event # 1:");
       eventOne.setEventNumber();
       eventOne.setNumOfGuests();
       System.out.println("Enter Details of event # 2:");
       eventTwo.setEventNumber();
       eventTwo.setNumOfGuests();
       System.out.println("Enter Details of event # 3:");
       eventThree.setEventNumber();
       eventThree.setNumOfGuests();
       displayMotto();
       System.out.println();
       display(eventOne);
       display(eventTwo);
       display(eventThree);
       System.out.println("Get largest event between event # 1 and event # 2 is :");
       display(getLargestEvent(eventOne, eventTwo));
       System.out.println("Get largest event between event # 2 and event # 3 is :");
       display(getLargestEvent(eventTwo, eventThree));
       System.out.println("Get largest event from event # 1 and event # 3 is :");
       display(getLargestEvent(eventOne, eventThree));
   runLoop();
   }
       public static void runLoop() {
           final int SIZE=4;
           Event[] eventObjects = new Event[SIZE];
           int numGuests;
           Scanner scanner = new Scanner(System.in);
           for (int i = 0; i < eventObjects.length; i++)
           {
           eventObjects[i]=new Event();
           eventObjects[i].setEventNumber();
           do
           {
           System.out.println("Enter number of guests : ");
           numGuests=scanner.nextInt();
           if(numGuests<5 ||numGuests>100)
           System.out.println("Number of guests must be between 5 to 100");
           }while(numGuests<5 ||numGuests>100);
           eventObjects[i].setGuests(numGuests);
           }
           Event oneEvent=eventObjects[0];
           System.out.println("For first event , printing message ");
           System.out.println(oneEvent.getGuestsCount()+" times");
           for (int i = 0; i < oneEvent.getGuestsCount(); i++)
           {
           System.out.println("Please come to my event!");
           }
      
   }
       public static void display(Event e) {
       System.out.println("Event number: " + e.getEventNumber());
       System.out.println("Total guests: " + e.getNumOfGuests());
       System.out.println("Total price: $" + String.format("%.2f", e.getPrice()));
       System.out.println("Is Large event: " + e.isLargeEvent());
       System.out.println("");
       }
       public static Event getLargestEvent(Event e1, Event e2) {
       if (e1.getNumOfGuests() > e2.getNumOfGuests()) {
       return e1;
       }
       else {
       return e2;
       }
       }
      
public static void displayMotto() {
        System.out.println();
    System.out.println("MOTTO");
}
}

Answer 1

import java.util.Scanner;

class Event {
        public final static double lowerPricePerGuest = 32.00;
        public final static double higherPricePerGuest = 35.00;
        public final static int cutOffValue = 50;
        public boolean largeEvent;
        private String eventNum;
        private int numGuests;
        private double price;
        private double pricePerGuest;

        public Event(String event, int guests) {
                eventNum = event;
                numGuests = guests;
        }

        public Event() {
                this("A000", 0);
        }

        private Scanner input = new Scanner(System.in);

        public void setEventNumber() {
                System.out.print("Please enter your event number (i.e. A001): ");
                eventNum = input.nextLine();
        }

        public void setNumOfGuests() {
                System.out.print("Please enter the number of guests that will be attending? ");
                numGuests = input.nextInt();
                if (isLargeEvent()) {
                        pricePerGuest = lowerPricePerGuest;
                } else {
                        pricePerGuest = higherPricePerGuest;
                }
                price = numGuests * pricePerGuest;
                largeEvent = (numGuests >= cutOffValue);
                System.out.println("");
        }

        public boolean isLargeEvent() {
                if (this.getNumOfGuests() > 50) {
                        return true;
                } else {
                        return false;
                }
        }

        public String getEventNumber() {
                return eventNum;
        }

        public int getNumOfGuests() {
                return numGuests;
        }

        public double getPrice() {
                return price;
        }

        public int getGuestsCount() {
                return numGuests;
        }

        public void setGuests(int aNumGuests) {
                numGuests=aNumGuests;
        }
}

//********************************************************
// Event Demo Class code
//********************************************************
public class EventDemo {
        public static void main(String[] args) {
                Event eventOne = new Event();
                Event eventTwo = new Event();
                Event eventThree = new Event();
                System.out.println("Enter Details of event # 1:");
                eventOne.setEventNumber();
                eventOne.setNumOfGuests();
                System.out.println("Enter Details of event # 2:");
                eventTwo.setEventNumber();
                eventTwo.setNumOfGuests();
                System.out.println("Enter Details of event # 3:");
                eventThree.setEventNumber();
                eventThree.setNumOfGuests();
                displayMotto();
                System.out.println();
                display(eventOne);
                display(eventTwo);
                display(eventThree);
                System.out.println("Get largest event between event # 1 and event # 2 is :");
                display(getLargestEvent(eventOne, eventTwo));
                System.out.println("Get largest event between event # 2 and event # 3 is :");
                display(getLargestEvent(eventTwo, eventThree));
                System.out.println("Get largest event from event # 1 and event # 3 is :");
                display(getLargestEvent(eventOne, eventThree));
                runLoop();
        }

        public static void runLoop() {
                final int SIZE = 4;
                Event[] eventObjects = new Event[SIZE];
                int numGuests;
                Scanner scanner = new Scanner(System.in);
                for (int i = 0; i < eventObjects.length; i++) {
                        eventObjects[i] = new Event();
                        eventObjects[i].setEventNumber();
                        do {
                                System.out.println("Enter number of guests : ");
                                numGuests = scanner.nextInt();
                                if (numGuests < 5 || numGuests > 100)
                                        System.out.println("Number of guests must be between 5 to 100");
                        } while (numGuests < 5 || numGuests > 100);
                        eventObjects[i].setGuests(numGuests);
                }
                Event oneEvent = eventObjects[0];
                System.out.println("For first event , printing message ");
                System.out.println(oneEvent.getGuestsCount() + " times");
                for (int i = 0; i < oneEvent.getGuestsCount(); i++) {
                        System.out.println("Please come to my event!");
                }

        }

        public static void display(Event e) {
                System.out.println("Event number: " + e.getEventNumber());
                System.out.println("Total guests: " + e.getNumOfGuests());
                System.out.println("Total price: $" + String.format("%.2f", e.getPrice()));
                System.out.println("Is Large event: " + e.isLargeEvent());
                System.out.println("");
        }

        public static Event getLargestEvent(Event e1, Event e2) {
                if (e1.getNumOfGuests() > e2.getNumOfGuests()) {
                        return e1;
                } else {
                        return e2;
                }
        }

        public static void displayMotto() {
                System.out.println();
                System.out.println("MOTTO");
        }
}

Note : Please comment below if you have concerns. I am here to help you

If you like my answer please rate and help me it is very Imp for me