Pearls

import java.util.Scanner;

public class Pearls {
   // use the following Scanner variable and object to collect any necessary user input
   public static Scanner scnr = new Scanner(System.in);
   
   public static void main(String[] args) {
      // make no changes to the code in this main method
      double totalRegisterAmount =getAllTableOrders();
	   System.out.printf("ticket totals + tax for the entire day: $%.2f\n", totalRegisterAmount);
   }
   
   public static double getAllTableOrders() {
      double registerTotal = 0.0;
      
      while (moreTablesToServe()) {
         double tableTotal = getTableOrder();
         registerTotal += tableTotal;
      }
      
      return registerTotal;
   }
   
   public static boolean moreTablesToServe() {
      System.out.print("Another table (\'yes\' or \'no\')? ");
      String choice = scnr.next();
      boolean table = choice.equals("yes");
      return table;
   }
   
   public static double getTableOrder() {
      double tableTotal = 0.0;
      int numDiners = getNumberOfDinersAtTable();
      
      while (numDiners > 0) {
         double dinerTotal = getDinersOrder();
         tableTotal += dinerTotal;
         numDiners --;
      }
      double taxAmount = tableTotal * 0.08;
      System.out.printf("Table total: %.2f\n", tableTotal);
      System.out.printf("Tax amount: %.2f\n", taxAmount);
      displaySuggestedTipAmounts(tableTotal);
      return tableTotal + taxAmount;
   }
   
   public static double getDinersOrder() {
      double orderTotal = 0.0;
      displayMenu();
      
      while (dinerWantsAnotherItem()) {
         int choice = getMenuChoice();
         double price = getPriceOfMenuChoice(choice);
         orderTotal += price;
      }
      return orderTotal;
   }
   
   public static int getNumberOfDinersAtTable() {
      System.out.print("Enter number of diners at this table : ");
      int num = scnr.nextInt();
      return num;
   }
   
   public static void displaySuggestedTipAmounts(double cost) {
      System.out.printf("10%% tip: %.2f\n", (cost * 0.1)  );
      System.out.printf("15%% tip: %.2f\n", (cost * 0.15) );
      System.out.printf("20%% tip: %.2f\n", (cost * 0.2)  );
      System.out.printf("25%% tip: %.2f\n", (cost * 0.25) );
   }
   
   public static void displayMenu() {
      System.out.println("1) eggs          $3.25");
      System.out.println("2) bacon         $4.00");
      System.out.println("3) pancakes      $2.50");
      System.out.println("4) orange juice  $1.25");
      System.out.println("5) oatmeal       $3.99");
      System.out.println("6) milk          $1.25");
      System.out.println("7) donut         $2.00");
   }
   
   public static boolean dinerWantsAnotherItem() {
      System.out.print("Another item (\'yes\' or \'no\')?");
      String answer = scnr.next();
      boolean result = answer.equals("yes");
      
      return result;
   }
   
   public static int getMenuChoice() {
      System.out.print("Enter a menu choice : ");
      int choice = scnr.nextInt();
      return choice;
   }
   
   public static double getPriceOfMenuChoice(int choice) {
      double price = 0.0;
      
      if (choice == 1) {
         price = 3.25;
      }
      if (choice == 2) {
         price = 4.00;
      }
      if (choice == 3) {
         price = 2.50;
      }
      if (choice == 4) {
         price = 1.25;
      }
      if (choice == 5) {
         price = 3.99;
      }
      if (choice == 6) {
         price = 1.25;
      }
      if (choice == 7) {
         price = 2.00;
      }
      
      return price;
   }
   
}