Part of the article has spoken a [] and * is * a difference is a constant on the data storage area, so can not change, can refer https://www.cnblogs.com/souhaite/p /10941824.html
Part of the article has spoken a [] and * is * a difference is a constant on the data storage area, so can not change, can refer https://www.cnblogs.com/souhaite/p /10941824.html