import java.util.*;

public class ReverseInt {
    public int reverseInt(int n) {
        String str = Integer.toString(n);
        System.out.println("As str: " + str);

        char[] chr = str.toCharArray();
        Arrays.sort(chr);
        String answer = new String(chr, 0, chr.length);
        System.out.println("After sort(answer): " + answer);

        int integ = Integer.parseInt(answer);
        int reversedInt = Integer.reverse(integ);
        System.out.println("reversedInt: " + reversedInt);

        return reversedInt;
    }

    public static void main(String[] args) {
        new ReverseInt().reverseInt(35412);
    }
}