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ValentinPside wants to merge 2 commits into main
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53 changes: 53 additions & 0 deletions src/main/java/Calculator.java
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,53 @@
import java.util.ArrayList;

public class Calculator {
public Calculator(int personCount, ArrayList<Dish> dishesList) {
calculate(personCount, dishesList);
}

private void calculate(int personCount, ArrayList<Dish> dishesList){
showDishList(dishesList);
totalPriceForPerson(personCount, dishesList);
}

private String getRightEnding(double price){
String ending = "";
String x = "рубль";
String y = "рубля";
String z = "рублей";
if(price%100 >= 11 && price%100 <= 14){
ending = z;
return ending;
}
if(price%10 == 1){
ending = x;
return ending;
}
if(price%10 == 2 || price%10 == 3 || price%10 == 4){
ending = y;
return ending;
}
return z;
}

private void showDishList(ArrayList<Dish> dishesList){
System.out.println("Добавленные товары:");
double price;
for(int i = 0; i < dishesList.size(); i++){
price = dishesList.get(i).getPrice();
String ending = getRightEnding(price);
System.out.println("Позиция: " + dishesList.get(i).getName() + " Цена: " + String.format("%.2f", dishesList.get(i).getPrice()) + " " + ending);
}
}

private void totalPriceForPerson(int personCount, ArrayList<Dish> dishesList){
Double totalPrice = 0.0;
for(int i = 0; i < dishesList.size(); i++){
totalPrice = totalPrice + dishesList.get(i).getPrice();
}
totalPrice = totalPrice / personCount;
double price = totalPrice;
String ending = getRightEnding(price);
System.out.println("Итоговая цена для каждой персоны: " + String.format("%.2f", totalPrice) + " " + ending);
}
}
57 changes: 57 additions & 0 deletions src/main/java/Dish.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,57 @@
import java.util.Scanner;

public class Dish {

private Double price;
private String name;

public Dish() {
setName();
setPrice();
System.out.println("Позиция успешно добавлена!");
}

public Double getPrice() {
return price;
}

public String getName() {
return name;
}

public void setName() {
Scanner scanner = new Scanner(System.in);
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@gusar-off gusar-off Dec 29, 2022

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Лучшее переиспользовать инстанс Scanner, а не создавать каждый раз новый.

while(true){
System.out.println("Введите название блюда.");
String line = scanner.nextLine();
if(line.trim().isEmpty()){
System.out.println("Ничего не введено. Попробуйте снова");
continue;
}
else{
name = line;
break;
}
}
}

public void setPrice() {
Scanner scanner;
while(true){
System.out.println("Укажите стоимость " + name);
scanner = new Scanner(System.in);;
if(!scanner.hasNextDouble()){
System.out.println("Нужно число без букв. Попробуйте снова");
continue;
}
price = scanner.nextDouble();
if(price <= 0.0){
System.out.println("Цена должна быть положительной. Попробуйте снова");
continue;
}
else{
break;
}
}
}
}
49 changes: 45 additions & 4 deletions src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,8 +1,49 @@
import java.util.ArrayList;
import java.util.Scanner;

// dev branch for Y.Practicum
public class Main {

public static void main(String[] args) {
// ваш код начнется здесь
// вы не должны ограничиваться только классом Main и можете создавать свои классы по необходимости
System.out.println("Привет Мир");
Double price;
String name;

ArrayList<Dish> dishesList = new ArrayList<>();

int personCount = getPersonCount();

Scanner scanner = new Scanner(System.in);
String line = "";
while(true){
dishesList.add(new Dish());
System.out.println("Для добавления нового товара введите что угодно. Для завершения введите 'завершить'");
line = scanner.nextLine();
if(line.equalsIgnoreCase("завершить")){
System.out.println("Составление списка успешно завершино");
break;
}
}
Calculator calculator = new Calculator(personCount, dishesList);

}
private static int getPersonCount(){
Scanner scanner;
while(true){
System.out.println("На скольких человек необходимо разделить счёт?");
scanner = new Scanner(System.in);
if(!scanner.hasNextInt()){
System.out.println("Нужно целое число без букв. Попробуйте снова");
continue;
}
int personCount = scanner.nextInt();
if(personCount < 2){
System.out.println("Число персон должно быть не меньше двух. Попробуйте снова");
continue;
}
else{
System.out.println("Счёт будет разделён на " + personCount + " персоны");
return personCount;
}
}
}
}
}

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