ArrangeToGreater.java

ArrangeToGreater.java

import java.util.Arrays;
import java.util.Comparator;

class ArrangeToGreater{
    private static Integer[] numbers = {5, 2, 1, 9, 50, 56};
    public static void main(String[] args){
        Arrays.sort(numbers, new Comparator<Integer>() {

            @Override
            public int compare(Integer l, Integer r) {
                String v1 = l.toString();
                String v2 = r.toString();
                return (v1 + v2).compareTo(v2 + v1) * -1;
            }
        
        } );

        String result = "";

        for(Integer integer: numbers){
            result += integer.toString();
        }

        System.out.println(result);
    }
}