Question

How to randomize a list in Java

Answer 1

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

public class RandomizeAList_Java {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        for (int i = 0; i <= 11; i++) {
            list.add(i);
        }

        Collections.shuffle(list, new Random());

        System.out.println(list.toString().replaceAll("[\\[\\],]", ""));
    }
}


    
/*
run:
        
11 9 4 1 0 10 8 7 5 3 6 2
 
*/

 

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