public static void main(String[] args)
{
Scanner input=new Scanner(System.in);//创建一个键盘扫描类对象
System.out.print("请您输入排序个数:");
int num=input.nextInt(); //输入整型
System.out.print("随机生成"+num+"个整数:");
Random r = new Random();
int a[]=new int[num];
for(int i = 0;i < num;i++)
{
int n=r.nextInt(1000);
a[i]=n;
System.out.print(n+" ");
}