Zundoko.java

package zundoko;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Random;

public class Zundoko {
	private String z = "ズン";
	private String d = "ドコ";
	private List<String> list = Arrays.asList(z, d);
	private List<String> expectedZundoko = Arrays.asList(z, z, z, z, d);
	private Random rnd = new Random();
	
	public void run(){
		List<String> currentZundoko = new ArrayList<String>(); 
		while(true) {
			String word = list.get(rnd.nextInt(2));
			System.out.println(word);
			
			currentZundoko.add(word);
			if(!checkCorrectSequence(currentZundoko)) {
				currentZundoko.clear();
				if(word.equals(z)) currentZundoko.add(word);
				continue;
			}
			if(currentZundoko.size() == expectedZundoko.size()) {
				break;
			}
		}
		System.out.println("きよし!");
	}
	
	private Boolean checkCorrectSequence(List<String> currentZundoko){
		for(int i = 0; i < currentZundoko.size(); i++){ 
			if(!currentZundoko.get(i).equals(expectedZundoko.get(i))) {
				return false;
			}
		}
		return true;
	}
}