冒泡获取整型列表中最大的数

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class tt : MonoBehaviour {
    public List<string> haitao = new List<string>();

    void Start () {
        haitao.Add(9981+"");
        haitao.Add(9983 + "");
        haitao.Add(9988 + "");
        haitao.Add(9984 + "");
        print(getMax());
    }

    public int getMax()  //从整型列表中获取最大的一个
    {
        int cache;
        if (haitao.Count == 0)
        {
            cache = int.Parse(haitao[0]);
        }
        else
        {
            for (int i = 0; i < haitao.Count; i++)
            {
                for (int j = i + 1; j < haitao.Count; j++)
                {
                    if (int.Parse(haitao[i]) > int.Parse(haitao[j]))
                    {
                        cache = int.Parse(haitao[i]);
                        haitao[i] = haitao[j];
                        haitao[j] = cache + "";
                    }
                }
            }
            cache = int.Parse(haitao[haitao.Count - 1]);
        }
        return cache;
    }


}

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打印结果：9988

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FR：海涛高软（Hunk Xu）