package com.math;

import java.util.Arrays;

public class SortIDString {

	public static void main(String[] args) {
		String user_ids = "1,3,2,299,33,2";
		String[] _ids = user_ids.split(",");
		System.out.println("排序前:"
				+ Arrays.toString(_ids).replaceAll("\\[|\\]", ""));
		for (int i = 0; i < _ids.length; i++) {
			int largest = i;
			for (int j = i; j < _ids.length; j++) {
				if (Integer.parseInt(_ids[j]) > Integer.parseInt(_ids[largest]))
					largest = j;
			}
			int temp;
			temp = Integer.parseInt(_ids[i]);
			_ids[i] = _ids[largest];
			_ids[largest] = temp + "";
		}
		System.out.println("排序后:"
				+ Arrays.toString(_ids).replaceAll("\\[|\\]", ""));
	}
}