一个二维数组的小例子

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**功能要求：讲控制台输入的横排文章（字符串）转成竖排文章（古书式）***
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package day07;import java.util.Arrays;import java.util.Random;public class SortTest {   public static void main(String[] args) {    //int[] ary = {2,3,4,1,5,1,7};    int[] ary = createArray(10000);    long start = System.currentTimeMillis();    Arrays.sort(ary);    long end = System.currentTimeMillis();    System.out.println("sort:"+(end-start));    //插入排除    ary = createArray(10000);    start = System.currentTimeMillis();    SortDemo.insertSort(ary);    end = System.currentTimeMillis();    System.out.println("insert:"+(end-start));  }  public static int[] createArray(int n){    int[] ary = new int[n];    Random r = new Random();    for(int i=0; i<ary.length; i++){      ary[i] = r.nextInt();    }    return ary;  }}

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