利用HashSet不能放置相同元素，不断压入随机数，然后检查Hashset长度，直到长度满足要求，获取不重复数列，然后冒泡排序输出，更改红、蓝色球的数量和取值范围可以生成不同的彩票类型-To use HashSet can not be placed on the same element, constantly pressed into the random number then check Hashset length, until the length to meet the requirements to obtain the number of repetitions column, and then bubble sort output, change the red, the quantity and the range of blue ball can generate the type oftype of lottery