All possible combinations of an array

Question

I have an string array

{\"ted\", \"williams\", \"golden\", \"voice\", \"radio\"}

and I want all possible combinations of these keywords in

Answer 1

package rnd;

import java.util.ArrayList;

public class Rnd {
    public static void main(String args[]) {
        String a[] = {"ted", "williams", "golden", "voice", "radio"};
        ArrayList result =new ArrayList<>();
        for(int i =0 ;i< a.length; i++){
            String s = "";
            for(int j =i ; j < a.length; j++){
                s += a[j] + " " ;
                result.add(s);
            }
        }
    }
}