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ПЗ 1 #1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| import java.util.Scanner; | ||
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| public class Calculator { | ||
| double totalPrice; | ||
| double priceForPerson; | ||
| double price; | ||
| int numberOfPeople = 1; | ||
| String productList = "Добавленные товары:"; | ||
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| void priceForPerson() { | ||
| priceForPerson = totalPrice / numberOfPeople; | ||
| Formatter formatter = new Formatter(); | ||
| formatter.formatRub(priceForPerson); | ||
| System.out.println(String.format("Каждый человек должен заплатить %.2f %s", priceForPerson, formatter.rub)); | ||
| } | ||
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| void addProduct() { | ||
| System.out.println("Введите наименование товара"); | ||
| Scanner scanner = new Scanner(System.in); | ||
| String input=""; | ||
| while (true) { | ||
| if(input.isEmpty()) { | ||
| input = scanner.next(); | ||
| } | ||
| productList = productList + "\n" + input; | ||
| System.out.println("Введите цену товара в формате рубли,копейки"); | ||
| price = scanner.nextFloat(); | ||
| totalPrice = totalPrice + price; | ||
| System.out.println("Товар добавлен"); | ||
| System.out.println("Для продолжения введите наименование следующего товара. Для окончания подсчёта введите \"Завершить\""); | ||
| input = scanner.next(); | ||
| if (input.equalsIgnoreCase("Завершить")) { | ||
| System.out.println(productList); | ||
| break; | ||
| } | ||
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| } | ||
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| } | ||
| void getNumberOfPeople () { | ||
| System.out.println("Введите число человек, на которых необходимо разделить счёт"); | ||
| Scanner scanner = new Scanner(System.in); | ||
| while (true) { | ||
| if (scanner.hasNextInt()) { | ||
| numberOfPeople = scanner.nextInt(); | ||
| if (numberOfPeople > 1) { | ||
| break; | ||
| } else { | ||
| System.out.println("Некорректное число. Порпробуйте снова"); | ||
| } | ||
| } else { | ||
| System.out.println("Неоходимо ввести число"); | ||
| scanner.next(); | ||
| } | ||
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| } | ||
| } | ||
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| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| public class Formatter { | ||
| String rub =""; | ||
| public void formatRub(double price) { | ||
| int form = (int) Math.floor(price); | ||
| if (form % 100 >= 11 && form % 100 <= 14) { | ||
|
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Здесь гораздо лучше подойдет оператор switch/case, так как количество веток if-else больше 2 |
||
| rub = "рублей"; | ||
| } else if (form % 10 == 1 && form >11 || form==1) { | ||
| rub = "рубль"; | ||
| } else if (form % 10 >= 2 && form % 10 <= 4 || form >= 2 && form <= 4) { | ||
| rub = "рубля"; | ||
| } else if (form % 10 >= 5 && form % 10 <= 9 || form >= 5 && form <= 9) { | ||
| rub = "рублей"; | ||
| } else if (form % 10 == 0) { | ||
| rub = "рублей"; | ||
| } | ||
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| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,12 @@ | ||
| import java.util.Scanner; | ||
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| public class Main { | ||
| public static void main(String[] args) { | ||
| System.out.println("Hello world!"); | ||
| Calculator calculator = new Calculator(); | ||
| calculator.getNumberOfPeople(); | ||
| calculator.addProduct(); | ||
| calculator.priceForPerson(); | ||
| } | ||
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| } |
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Имена функций должны содержать в себе действие. Функция делает что-либо. Хорошо помогает практика переводить имена функций дословно, если после перевода понятно чем занимается функция, то название хорошее