[Java] 명품 자바 프로그래밍(Java Programming) 4장 Open Challenge

OpenChallenge03.java

 

 
package ch03;
 
import java.util.Scanner;
 
public class OpenChallenge03 {
    @SuppressWarnings("resource")
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int count = 0;
 
        String word = "아버지";
        String nextWord = "";
 
        System.out.print("게임에 참가하는 인원은 몇명입니까 >>");
        count = scan.nextInt();
 
        Player[] playerList = new Player[count];
 
        for (int i = 0; i < count; i++) {
            System.out.print("참가자의 이름을 입력하세요 >> ");
            String name = scan.next();
            playerList[i] = new Player(name);
        }
 
        System.out.println("시작단어는 " + word + "입니다.");
 
        while (true) {
            for (int i = 0; i < count; i++) {
                nextWord = playerList[i].sayWord();
                if (succeed(word, nextWord)) {
                    word = nextWord;
                } else {
                    System.out.print(playerList[i].getPlayerName() + "님이 졌습니다");
                    System.exit(0);
                }
            }
        }
    }
 
    public static boolean succeed(String postWord, String saidWord) {
        int lastIndex = postWord.length() - 1;
        char lastChar = postWord.charAt(lastIndex);
        char firstChar = saidWord.charAt(0);
 
        if (lastChar == firstChar) {
            return true;
        }
 
        return false;
    }
 
}
 

Player.java

 

 
package ch03;
 
import java.util.Scanner;
 
public class Player {
    private String playerName;
 
    public Player(String playerName) {
        this.playerName = playerName;
    }
 
    @SuppressWarnings("resource")
    public String sayWord() {
        System.out.print(playerName + ">>");
        Scanner scan = new Scanner(System.in);
        String saidWord = scan.next();
 
        return saidWord;
    }
 
    public String getPlayerName() {
        return playerName;
    }
 
    public void setPlayerName(String playerName) {
        this.playerName = playerName;
    }
 
}
 

실행 결과: