diff --git a/README.md b/README.md
index 63be1bfe0..b07701a8f 100644
--- a/README.md
+++ b/README.md
@@ -1 +1 @@
-# Пустой репозиторий для работы с Java кодом в Android Studio
+# Уже не пустой репозиторий для работы с Java кодом в Android Studio
diff --git a/src/main/java/Calculator.java b/src/main/java/Calculator.java
new file mode 100644
index 000000000..013b6ded1
--- /dev/null
+++ b/src/main/java/Calculator.java
@@ -0,0 +1,11 @@
+import java.util.ArrayList;
+
+public class Calculator {
+ static float calculate(ArrayList<good> receipt, int numberOfGuests) {
+ float totalPrice = 0;
+ for (Good good : receipt) {
+ totalPrice += good.price;
+ }
+ return totalPrice / numberOfGuests;
+ }
+}
diff --git a/src/main/java/Formatter.java b/src/main/java/Formatter.java
new file mode 100644
index 000000000..8e5ea2f14
--- /dev/null
+++ b/src/main/java/Formatter.java
@@ -0,0 +1,29 @@
+import java.util.ArrayList;
+
+public class Formatter {
+
+ static String getFormattedOutput(float price) {
+ int resultInt = (int) price;
+
+ String rubles;
+ if (resultInt % 100 <= 19 && resultInt % 100>= 11) {
+ rubles = "рублей";
+ } else if (resultInt % 10>= 2 && resultInt % 10 <= 4) { + rubles = "рубля"; + } else if (resultInt % 10 == 1) { + rubles = "рубль"; + } else { + rubles = "рублей"; + } + return String.format("С каждого по %.2f %s", price, rubles); + } + + static String getFormattedGoods(ArrayList<good> goods) {
+ StringBuilder result = new StringBuilder();
+ result.append("Добавленные товары:\n");
+ for (Good good : goods) {
+ result.append(good.name).append('\n');
+ }
+ return result.toString().trim();
+ }
+}
diff --git a/src/main/java/Good.java b/src/main/java/Good.java
new file mode 100644
index 000000000..7cc8718ff
--- /dev/null
+++ b/src/main/java/Good.java
@@ -0,0 +1,9 @@
+public class Good {
+ float price;
+ String name;
+
+ public Good(float price, String name) {
+ this.price = price;
+ this.name = name;
+ }
+}
diff --git a/src/main/java/Main.java b/src/main/java/Main.java
index db9356a08..04d151654 100644
--- a/src/main/java/Main.java
+++ b/src/main/java/Main.java
@@ -1,6 +1,108 @@
+import java.util.ArrayList;
+import java.util.Scanner;
 
 public class Main {
+ private final static String GREET = "На сколько человек требуется разделить счёт?";
+ private final static String ERROR_INCORRECT_NUMBER = "Введено некорректное число. \nВведите корректное число.";
+ private final static String ADD_NEW_GOOD = "Добавление товара. Ведите наименование товара или 'Завершить' для перехода к расчёту чека";
+
 public static void main(String[] args) {
- System.out.println("Hello world!");
+ ArrayList<good> receipt = new ArrayList<strong>();
+
+
+ System.out.println(GREET);
+ int number = 1;
+ Scanner scanner = new Scanner(System.in);
+ //int number = inputNumber(scanner);
+
+ while (number <= 1) {
+ try {
+ number = inputNumber(scanner);
+ if (number <= 1) {
+ System.out.println(ERROR_INCORRECT_NUMBER);
+ }
+ } catch (Exception e) {
+ System.out.println(ERROR_INCORRECT_NUMBER);
+ }
+ }
+
+
+ System.out.println(ADD_NEW_GOOD);
+ String name = scanner.nextLine();
+ while (!name.equalsIgnoreCase("завершить")) {
+ System.out.println("Введите цену товара:");
+ float price = -1;
+
+ while (price < 0) {
+
+ try {
+ price = inputFloat(scanner);
+ } catch (Exception exception) {
+ System.out.println(ERROR_INCORRECT_NUMBER);
+ }
+ }
+
+ Good good = new Good(price, name);
+ receipt.add(good);
+ System.out.println(ADD_NEW_GOOD);
+ name = scanner.nextLine();
+
+ }
+ float result = Calculator.calculate(receipt, number);
+ System.out.println(Formatter.getFormattedGoods(receipt));
+ System.out.println(Formatter.getFormattedOutput(result));
+ }
+
+ static boolean checkForInt(String string) {
+ boolean isWasMinus = false;
+ for (int i = 0; i < string.length(); ++i) {
+ if (!Character.isDigit(string.charAt(i))) {
+ if (!Character.isDigit(string.charAt(i))) {
+ if (string.charAt(i) == '-' && !isWasMinus) {
+ isWasMinus = true;
+ } else {
+ return false;
+ }
+ }
+ }
+ }
+ return true;
+ }
+
+ static int inputNumber(Scanner scanner) {
+ String numberOfGuests = scanner.nextLine();
+ while (!checkForInt(numberOfGuests)) {
+ System.out.println(ERROR_INCORRECT_NUMBER);
+ numberOfGuests = scanner.nextLine();
+
+ }
+ return Integer.parseInt(numberOfGuests);
+ }
+
+ static boolean checkForFloat(String string) {
+ boolean isWasDot = false;
+ boolean isWasMinus = false;
+ for (int i = 0; i < string.length(); ++i) {
+ if (!Character.isDigit(string.charAt(i))) {
+ if (string.charAt(i) == '-' && !isWasMinus) {
+ isWasMinus = true;
+ } else if (string.charAt(i) == '.' && !isWasDot) {
+ isWasDot = true;
+ } else {
+ return false;
+ }
+ }
+ }
+ return true;
+ }
+
+ static float inputFloat(Scanner scanner) {
+ String numberOfGuests = scanner.nextLine();
+ while (!checkForFloat(numberOfGuests)) {
+ System.out.println(ERROR_INCORRECT_NUMBER);
+ numberOfGuests = scanner.nextLine();
+
+ }
+ return Float.parseFloat(numberOfGuests);
 }
-}
\ No newline at end of file
+}
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/Venser724/Java-Module-Project-YP/pull/1.diff">(-&gt;オリジナル)</a>
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<option value="mobile">モバイル</option>
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<input type="submit" value="表示" />
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