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Спринт 2, консольное приложение 1 #1

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Спринт 2, консольное приложение 1 #1

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8a1a57f
1. Создан класс - счётчик.
FantasmasDev May 26, 2023
65685cc
1. В разработке класс - калк.
FantasmasDev May 28, 2023
52b6a11
Проект завершён
FantasmasDev May 29, 2023
3c4b973
Исправлен, ввод отрицательных значений
FantasmasDev May 30, 2023
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67 changes: 67 additions & 0 deletions src/main/java/Calc.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,67 @@
import java.util.Scanner;

public class Calc {
String listOfGoods ="";
double totalCoast = 0.00;

public void askItem() {
double itemCoast;
do {
Scanner sc = new Scanner(System.in);

@vlad-zotov vlad-zotov May 30, 2023

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здесь у тебя кажется лишний сканер, можно его убрать

Scanner secSc = new Scanner(System.in);
System.out.println("Введите название товара");
String item = sc.nextLine();

System.out.println("Введите стоимость товара руб.коп, например 10,45");
if (sc.hasNextDouble()) {
double checkPositive = sc.nextDouble();

if (checkPositive >= 0) {
itemCoast = checkPositive;
} else {
System.out.println("Извините, но вы ввели отрицательное число, перезапустите программу");
break;
}
} else {
System.out.println("Извините, но вы ввели не число, перезапустите программу");
break;
}
System.out.println("Товар " + item + " успешно добавлен");

totalCoast += itemCoast;
String coastString = String.format("%.2f", itemCoast);
listOfGoods += item + " " + coastString + " руб.коп" + "\n";
System.out.println("Продолжить добавление товаров? Или введите команду \"Завершить\", чтобы прекратить ввод товаров");
String answer = secSc.nextLine();
if (answer.equalsIgnoreCase("Завершить")) {
break;
}
} while (true);
}

public void showTotalList() {
System.out.println(listOfGoods);
}

public void showTotal (int numOfPerson) {
double numPersons = (double) numOfPerson;
double total = totalCoast / numPersons;
double floorTotal = Math.floor(total);
String rub = "";
if (floorTotal % 100 >= 11.00 && floorTotal % 100 <= 14.00) {
rub = " рублей";
} else {
if (floorTotal % 10 == 1.00) {
rub = " рубль";
} else if (floorTotal % 10 >= 2.00 && floorTotal % 10 <= 4.00) {
rub = " рубля";
} else if (floorTotal == 0.00) {
rub = " рубль";
} else {
rub = " рублей";
}
}

System.out.println("Итого: " + String.format("%.2f", total) + rub);
}
}
32 changes: 32 additions & 0 deletions src/main/java/Counter.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
import java.util.Scanner;

public class Counter {
int persons;
boolean state = false;

public void askNumOfPersons() {
Scanner sc = new Scanner(System.in);

while(true) {
System.out.println("На сколько персон поделить счёт?");
if (sc.hasNextInt()) {
persons = sc.nextInt();
} else {
System.out.println("Извините, но вы ввели не число, перезапустите программу");
break;
}
if (persons == 1) {

@vlad-zotov vlad-zotov May 30, 2023

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эту проверку удобно будет реализовать через оператор switch

System.out.println("Нет смысла делить счёт.");
} else if (persons < 1) {
System.out.println("Количество персон меньше 1, это не корректное значение.");
} else if (persons > 1) {
state = true;
break;
}
}
}

public int getPersons() {
return persons;
}
}
10 changes: 9 additions & 1 deletion src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,14 @@

public class Main {
public static void main(String[] args) {
System.out.println("Hello world!");
Counter counter = new Counter();

counter.askNumOfPersons();
if(counter.state) {
Calc calc = new Calc();
calc.askItem();
calc.showTotalList();
calc.showTotal(counter.getPersons());
}
}
}