求一段简单java程序的含义private static int[] a(double ad[]){int i = ad.length - 1;ArrayList arraylist = new ArrayList();for (int k = 1; k = ad[k + 1] || ad[k - 1] > ad[k] && ad[k]

求一段简单java程序的含义private static int[] a(double ad[]){int i = ad.length - 1;ArrayList arraylist = new ArrayList();for (int k = 1; k = ad[k + 1] || ad[k - 1] > ad[k] && ad[k]
求一段简单java程序的含义
private static int[] a(double ad[])
{
int i = ad.length - 1;
ArrayList arraylist = new ArrayList();
for (int k = 1; k = ad[k + 1] || ad[k - 1] > ad[k] && ad[k]

求一段简单java程序的含义private static int[] a(double ad[]){int i = ad.length - 1;ArrayList arraylist = new ArrayList();for (int k = 1; k = ad[k + 1] || ad[k - 1] > ad[k] && ad[k]
后面的程序是把极点取整后写到一个数组里,数组的首位置空着,有可能后面是要进行堆排序,只看这个程序段看不出来是要干什么.