Sekigae.java

import java.util.ArrayList;
import java.util.Collections;

public class Sekigae{
    public static void main(String[] args){

  ArrayList<String> list = new ArrayList<String>();

	list.add("okkun");
	list.add("kitak");
	list.add("keoken");
	list.add("gussun");

	Collections.shuffle(list);

	System.out.println(list.get(0) +" | "+ list.get(1) +" | "+ 
			   list.get(2) +" | "+ list.get(3)); 
    }
}