package ai;

import *;


public class wo {
    public static void main(String[] args) {
        String[]intArray;

       intArray = new String[3];

        int i;

        for (i = 0; i < intArray.length; i++)

        {

            System.out.println("Please input data for stringArray " + i);

            try

            {

                BufferedReader in = new BufferedReader(new InputStreamReader(
                        System.in));

               intArray[i] = in.readLine();

            }

            catch (IOException e)

            {

                e.printStackTrace();

            }

        }

        int j,m;
        int l=intArray.length;

   for (j = 0; j < l-1; j++) 
          for (m = j + 1; m < l; m++) 
            if (intArray[j] > intArray[m])
            {
              int t =intArray[j];
              intArray[j] = intArray[m];
             intArray[m] = t;
          } 
      
     

         
        for (j = 0; j <intArray.length; j++) {
            System.out.println(intArray[j] + " ");
        }

    }
}

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错误的原因是不是intArray[j]还没有赋值，请问接下来该怎么改动？
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帮我看下，非常感谢！

没看错的话，你的数组是个String，后来却是int在用

但我把所有的int都改成string还是报错了！  为什么呢？  请帮下我好吗？

if (Integer.parseInt(stringArray[j]) >
                    Integer.parseInt(stringArray[m]))   
------------------------------------------------------------
要转换~~