(Core Tip: In OOP, the only contact is what the interface of the target is, just like the seller of the computer, no matter what the internal structure of the power supply is, he only needs to contact whether it can provide you with electricity, that is, you only need to know the canornot instead of howandwhy.
30 concepts that Java beginners should master.txt)
发表于 2022-9-29 15:03:51
粤ICP备14042591号-1
粤ICP14042591号