[로또 미션] 신예린 미션 제출합니다.

src/main/java/Application.java

@@ -0,0 +1,10 @@
+import controller.LottoController;
+
+import java.io.IOException;
+
+public class Application {
+
+    public static void main(String [] args) throws IOException {
+        LottoController lottoController  = new LottoController();
+    }
+}

src/main/java/controller/LottoController.java

@@ -0,0 +1,86 @@
+package controller;
+
+import model.AutoLotto;
+import model.Lotto;
+import model.LottoList;
+import view.InputView;
+import view.OutputView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LottoController {
+    private InputView inputView = new InputView();
+    private OutputView outputView = new OutputView();
+    private LottoList lottoList;
+
+    public LottoController(){
+        lottoStart();
+    }
+    public void lottoStart() {
+        int price = inputMoney();
+        viewLotto(price);
+        Lotto winningLotto = winnerNumberToInteger();
+        int[] match = match(lottoList, winningLotto);
+        double rate = calculateRate(match, price);
+        outputView.resultPrint(match, rate);
+    }
+
+    public int inputMoney(){
+        return toIntegerPrice(inputView.inputPrice());
+    }
+    public int toIntegerPrice(String price){
+        return Integer.parseInt(price);
+    }
+    public void viewLotto(int price){
+        int count = price/1000;
+        outputView.countPrint(count);
+        lottoList = makeLottolist(count);
+    }
+    public LottoList makeLottolist(int count){
+        for(int i=0; i<count; i++){
+            lottoList = new LottoList(makeLotto());
+        }
+        return lottoList;
+    }
+    public Lotto makeLotto(){
+        List<Integer> lotto = new ArrayList<>();
+        AutoLotto autoLotto = new AutoLotto();
+        lotto = autoLotto.getAutoLotto();
+        outputView.lottoPrint(lotto);
+        return new Lotto(lotto);
+    }
+
+    public Lotto winnerNumberToInteger(){
+        String winnerNumsStr = inputView.inputWinnerNumber();
+        Lotto winningLotto = new Lotto();
+        return winningLotto.toIntegerWinner(winnerNumsStr);
+    }
+
+
+    public int [] match(LottoList lottoList, Lotto winningLotto){
+        int [] arr = new int[4];
+        for(Lotto lotto : lottoList.getLottoList()) {
+            int cnt = lotto.winningCalculate(winningLotto);
+            if(cnt == 3){
+                arr[0] ++;
+            }
+            else if (cnt == 4){
+                arr[1] ++;
+            }
+            else if(cnt == 5){
+                arr[2] ++;
+            }
+            else if(cnt == 6){
+                arr[3] ++;
+            }
+        }
+        return arr;
+    }
+    public double calculateRate(int arr[], int price){
+        int total = arr[0] * 5000 + arr[1] * 50000 + arr[2] * 1500000 + arr[3] * 2000000000;
+        double rate = (double) total / (double) price;
+        return rate;
+    }
+
+}

src/main/java/model/AutoLotto.java

@@ -0,0 +1,38 @@
+package model;
+
+import java.util.*;
+import java.util.stream.IntStream;
+
+public class AutoLotto {
+    private static final int MIN_LOTTO_NUMBER = 1;
+    private static final int MAX_LOTTO_NUMBER = 45;
+    private static final int CNT_LOTTO_NUMBER = 6;
+
+    private static List<Integer> lottoNums = new ArrayList<>();
+    public AutoLotto(){
+        createAutoLotto();
+    }
+    public void createAutoLotto(){
+
+        List<Integer> numbers = new ArrayList<>();
+        for (int i = MIN_LOTTO_NUMBER; i <= MAX_LOTTO_NUMBER; i++) {
+            numbers.add(i);
+        }
+        Collections.shuffle(numbers);
+        lottoNums = new ArrayList<>();
+        for (int i = 0; i < CNT_LOTTO_NUMBER; i++) {
+            int uniqueNumber = numbers.get(i);
+            while (lottoNums.contains(uniqueNumber)) {
+                // 중복된 번호라면 다시 랜덤하게 선택
+                Collections.shuffle(numbers);
+                uniqueNumber = numbers.get(i);
+            }
+            lottoNums.add(uniqueNumber);
+        }
+        Collections.sort(lottoNums);
+    }
+    public List<Integer> getAutoLotto(){
+        return lottoNums;
+    }
+
+}

src/main/java/model/Lotto.java

@@ -0,0 +1,39 @@
+package model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Lotto {
+    private static final int BONUS_NUMBER_INDEX = 6;
+    private List<Integer> numbers;
+
+    public Lotto(List<Integer> numbers) {
+        this.numbers = numbers;
+    }
+    public Lotto(){
+
+    }
+    public Lotto toIntegerWinner(String winningNumbersStr) {
+        String[] str = winningNumbersStr.split(",\\s*");
+        List<Integer> winningLottoList = new ArrayList<>();
+        for (String s : str) {
+            winningLottoList.add(Integer.parseInt(s));
+        }
+        Lotto winningLotto = new Lotto(winningLottoList);
+        return winningLotto;
+    }
+    public List<Integer>getNumbers(){
+        return numbers;
+    }
+
+    public int winningCalculate(Lotto winningLotto) {
+        int cnt = 0;
+        List<Integer> winningLottoList = winningLotto.getNumbers();
+        for (Integer integer : numbers) {
+            if(numbers.contains(integer)){
+                cnt ++;
+            }
+        }
+        return cnt;
+    }
+}

src/main/java/model/LottoList.java

@@ -0,0 +1,22 @@
+package model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LottoList {
+    List<Lotto> lottoList = new ArrayList<>();
+    private int totalPrice;
+
+    public LottoList(Lotto lotto){
+        lottoList.add(lotto);
+    }
+    public List<Lotto> getLottoList(){
+        return lottoList;
+    }
+    public void setTotalPrice(int reward){
+        this.totalPrice+=reward;
+    }
+    public int getTotalPrice(){
+        return totalPrice;
+    }
+}

src/main/java/view/InputView.java

@@ -0,0 +1,23 @@
+package view;
+
+import java.util.Scanner;
+
+public class InputView {
+
+    private final static String INPUT_PRICE = "구입금액을 입력해 주세요.";
+    private final static String INPUT_WINNER_NUMBER = "지난 주 당첨 번호를 입력해 주세요.";
+
+    private static final Scanner scanner = new Scanner(System.in);
+
+
+    public String inputPrice(){
+        System.out.println(INPUT_PRICE);
+        return scanner.nextLine();
+    }
+
+    public String inputWinnerNumber(){
+        System.out.println();
+        System.out.println(INPUT_WINNER_NUMBER);
+        return scanner.nextLine();
+    }
+}

src/main/java/view/OutputView.java

@@ -0,0 +1,33 @@
+package view;
+
+import java.util.List;
+
+public class OutputView {
+
+    private final static String BUY_MESSAGE = "개를 구매했습니다.";
+    private final static String THREE_MATCHES = "3개 일치 (5000원)- ";
+    private final static String FOUR_MATCHES = "4개 일치 (50000원)- ";
+    private final static String FIVE_MATCHES = "5개 일치 (1500000원)- ";
+    private final static String SIX_MATCHES = "6개 일치 (2000000000원)- ";
+    private final static String COUNT = "개";
+
+    public void countPrint (int count){
+        System.out.println("\n" + count + BUY_MESSAGE);
+
+    }
+    public void lottoPrint(List<Integer> numbers) {
+        System.out.println(numbers);
+    }
+
+    public void resultPrint(int [] arr, double rate){
+        System.out.println();
+        System.out.println("당첨 통계");
+        System.out.println("---------");
+        System.out.println(THREE_MATCHES + arr[0] + COUNT);
+        System.out.println(FOUR_MATCHES + arr[1] + COUNT);
+        System.out.println(FIVE_MATCHES + arr[2] + COUNT);
+        System.out.println(SIX_MATCHES + arr[3] + COUNT);
+
+        System.out.println("총 수익률은 " + rate + " 입니다.(기준이 1이기 때문에 결과적으로 손해라는 의미임)");
+    }
+}