student integral0
After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：Object cloning technology: Create new objects like variable value transfer
=號(hào)賦值對(duì)象，指向的是同一內(nèi)存地址的對(duì)象;clone則是創(chuàng)建一個(gè)新的內(nèi)存地址的對(duì)象
2020-09-130個(gè)贊
