I\'m trying to create an vocabulary study application using Obj-C and the Cocoa frameworks. I have about two week\'s experience in both areas and have reached an edge of my current knowledge.
Can a Objective c interface have more than one implementation? Example I could have a interface but 2 implementations one where i use a开发者_运维技巧n arrays or another where I use a stack..etc to im
品牌型号：lenovo ThinkPa开发者_JAVA百科d X250 系统：Windows 11干电池的负极是金属锌制成的。干电池是一种伏打电池，利用某种吸收剂（如木屑或明胶）使内含物成为不会外溢的
加载中,请稍侯......