Step2

src/main/java/ladder/Application.java

@@ -0,0 +1,16 @@
+package ladder;
+
+import ladder.ui.InputView;
+import ladder.ui.PrintView;
+
+public class Application {
+    public static void main(String[] args) {
+        InputView inputView = new InputView();
+        inputView.saveInput();
+        System.out.println(inputView.names);
+        Ladder ladder= new Ladder(inputView.ladderHeight, inputView.names.size());
+        PrintView.printResult(inputView.names, ladder);
+
+    }
+
+}

src/main/java/ladder/Ladder.java

@@ -0,0 +1,21 @@
+package ladder;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+public class Ladder {
+    private List<Line> lines;
+
+    public Ladder(int height, int nameSize) {
+        lines = IntStream.range(0, height)
+                .mapToObj(i -> new Line(nameSize))
+                .collect(Collectors.toList());
+    }
+
+    public List<Line> getLines(){
+        return lines;
+    }
+
+}

src/main/java/ladder/Line.java

@@ -0,0 +1,30 @@
+package ladder;
+
+import ladder.util.RandomValueGenerator;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.IntStream;
+
+public class Line {
+    private final List<Boolean> points = new ArrayList<>();
+
+    public Line(int countOfPerson) {
+        IntStream.range(0, countOfPerson - 1)
+                .mapToObj(i -> isInValidPosition(i) ? false : RandomValueGenerator.generate())
+                .forEach(points::add);
+    }
+
+    private boolean isInValidPosition(int position) {
+        return isLeftTrue(position);
+    }
+
+    private boolean isLeftTrue(int position) {
+        return (position - 1 >= 0 && points.get(position - 1));
+    }
+
+
+    public List<Boolean> getPoints() {
+        return points;
+    }
+}

src/main/java/ladder/ui/InputView.java

@@ -0,0 +1,25 @@
+package ladder.ui;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Scanner;
+
+public class InputView {
+    private final Scanner scanner = new Scanner(System.in);
+    public List<String> names;
+    public int ladderHeight = 0;
+
+    public void saveInput() {
+        System.out.println("참여할 사람 이름을 입력하세요. (이름은 쉼표(,)로 구분하세요)");
+        String nameStr = scanner.nextLine();
+        names= Arrays.asList(split(nameStr));
+        System.out.println("최대 사다리 높이는 몇개 인가요?");
+        ladderHeight = scanner.nextInt();
+    }
+
+    private String[] split(String str) {
+        return str.split(",");
+    }
+
+
+}

src/main/java/ladder/ui/PrintView.java

@@ -0,0 +1,49 @@
+package ladder.ui;
+
+import ladder.Ladder;
+import ladder.Line;
+
+import java.util.List;
+
+public class PrintView {
+    public static void printResult(List<String> names, Ladder ladder) {
+        System.out.println("실행결과");
+        printName(names);
+        printLadder(ladder);
+    }
+
+    private static void printName(List<String> names) {
+        names.stream()
+                .map(name -> {
+                    int padding = 5 - name.length();
+                    String paddedName = name + " ".repeat(padding);
+                    return paddedName;
+                })
+                .forEach(System.out::print);
+        System.out.println();
+    }
+
+    private static void printLadder(Ladder ladder) {
+        List<Line> lines = ladder.getLines();
+        lines.forEach(line -> {
+            printColumn();
+            line.getPoints().forEach(point -> {
+                printRow(point);
+                printColumn();
+            });
+            System.out.println();
+        });
+    }
+
+    private static void printColumn(){
+        System.out.print("|");
+    }
+
+    private static void printRow(boolean point){
+        if(point){
+            System.out.print("-----");
+        } else{
+            System.out.print("     ");
+        }
+    }
+}

src/main/java/ladder/util/RandomValueGenerator.java

@@ -0,0 +1,11 @@
+package ladder.util;
+
+import java.util.Random;
+
+public class RandomValueGenerator {
+    private static Random random = new Random();
+
+    public static boolean generate() {
+        return random.nextBoolean();
+    }
+}