Hi, today i'll be taking you into day 3 of the objective C. I'm sure you see "NS" in many codes. NS stands for next step. For example, you sometimes use the code nsstring. This means it is a text that is unchangeable. These are all classes. There other classes such as, NSMutableString, NSArray, NSMutableArray, and NSNumber. Array is an arrangement of memories. For the pointers, this is meant to make a static string of text, this means to make it a stationary condition. You will be using this a lot when you are creating classes. I also put a picture on this were it shows the inheritance of each class. By this inheritance class, we can inherit the class and add more to the class, writting your own method, and code.
That is all for this week.
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