插入排序整数数组

/*来自 
 时 代 J a v a*/


//package com.nowjava;


public class Main {

    public static void insertionSort(int[] a) {

        insertionSort(a, 0, a.length);

    }


    public static void insertionSort(int[] a, int start, int end) {

        int n = a.length;

        for (int i = start + 1; i < end; i++) {

            int iv = a[i];

            int j = i - 1;

            for (; j >= start && a