Introduction - If you have any usage issues, please Google them yourself
* this is a tool class of a one-dimensional array, which encapsulates 6 methods, which are
* 1. array traversal: print method
* 2. get the maximum value: getMax method
* 3. get the minimum value: getMin method
* 4. reversal array: revArray method
* 5. array ascending order (from small to large): ASC
* 6. array descending order (from large to small): desc
*
* Note: when the display is returned with an array, it is possible to add a reception type.
*
* @author wuxiaolong
* @version v1.1