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2. В разработке класс - калк.
src/main/java/Calc.java
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public class Calc {
String listOfGoods ="";
Double totalCoast = 0.00;
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можно использовать примитивный тип double вместо Double. Не критично.
public void askItem() {
Double itemCoast;
do {
Scanner sc = new Scanner(System.in);
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здесь у тебя кажется лишний сканер, можно его убрать
System.out.println("Извините, но вы ввели не число, перезапустите программу");
break;
}
if (persons == 1) {
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эту проверку удобно будет реализовать через оператор switch
Корректный вывод падажей
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