package ru.sql.java.whizzzkey;

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

import static ru.sql.java.whizzzkey.Shuffler.GameObject.c;

public class Shuffler {
    static class GameObject {
        int order;

        @Override
        public String toString() {
            return "GameObject[" + order + "]";
        }

        static GameObject c(int order) {
            GameObject g = new GameObject();
            g.order = order;
            return g;
        }
    }

    public static void main(String[] args) {
        ArrayList<GameObject> gameObjects = new ArrayList<GameObject>();
        gameObjects.addAll(Arrays.asList(c(0), c(1), c(2), c(3), c(4), c(5)));

        for (GameObject g : gameObjects) {
            System.out.print(g + "; ");
        }
        System.out.println();

        Collections.shuffle(gameObjects);

        for (GameObject g : gameObjects) {
            System.out.print(g + "; ");
        }
        System.out.println();
    }
}

GameObject[0]; GameObject[1]; GameObject[2]; GameObject[3]; GameObject[4]; GameObject[5]; 
GameObject[2]; GameObject[4]; GameObject[3]; GameObject[5]; GameObject[1]; GameObject[0];