RandomTeamChooser

import java.util.ArrayList;

// 2v2
public class RandomTeamChooser {
    public static void main(String[] args) {
        String[] a = new String[]{"Achille", "Chaos", "Fear", "Saiga", "sexy1", "Potato", "Cr4sh", "fallen", "notas", "echo"};
        ArrayList<String> b = new ArrayList<String>();
        for(String s : a) b.add(s);
        while (! b.isEmpty()) {
            int n1 = (int)(Math.random() * b.size());
            int n2 = (int)(Math.random() * b.size());
            if (n1 == n2) continue;
            String p1 = b.get(n1);
            String p2 = b.get(n2);
            System.out.println(p1 + "\t" + p2);
            b.remove(p2);
            b.remove(p1);
        }
    }
}