照着书打的为什么图片上传不了
public class Test1
{
public static void main(String[] args)
{
Test1 rs = new Test1();
System.out.println("<1>运用排除法生成不重复的随机序列");
printArray(rs.exclusionSort(6));
}
public Integer[] exclusionSort(int len)
{
Random random = new Random();
ArrayList result = new ArrayList();
while (result.size() < len)
{
Integer randnum = new Integer(random.nextInt(15));
if (!result.contains(randnum))// 判断此List有没有包含此元素有返回true
result.add(random);
}
;
return (Integer[]) result.toArray(new Integer[0]);// 将列表转换为数组返回
}
public static void printArray(Integer[] data)
{
if (data != null)
{
for (int i = 0; i < data.length; i++)
System.out.println(data[i] + "\t");
}
System.out.println();
}
}