package sample;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;

/**
 * Created by RXJ on 2018年3月10日.
 */
public class Solution {
 public static String PrintMinNumber(int [] numbers) {
 String result = "";
 int length=numbers.length;
 if(length<1){
 return result;
 }
 ArrayList<Integer> list=new ArrayList<Integer>();
 for(int i=0;i<length;i++){
 list.add(numbers[i]);
 }
 Collections.sort(list,new Comparator<Integer>() {
 @Override
 public int compare(Integer o1, Integer o2) {
 System.out.print(""+o1+" "+o2+" ");
 String result1=o1+""+o2;
 String result2=o2+""+o1;
 System.out.println(result1.compareTo(result2));
 return result1.compareTo(result2);
 }
 });
 Iterator<Integer> iterator=list.iterator();
 while(iterator.hasNext()){
 result+=(iterator.next()+"");
 System.out.println(result);
 }
 return result;
 }

 public static void main(String[] args){
 int[] nums = {32,321,3};
 System.out.println( Solution.PrintMinNumber(nums));
 }
}