Self keyword OC

1. Self is a pointer to the object that calls the current method;
2. If it is not understood, it can be understood as the current object;
3. Self can access the member variables of the current object;
4. The second use case of self;

5. -(void) Bark{nslog (@ "Wang Woo");} -(void) run{[self bark]; NSLog (@ "Run and Run");}

   1. The third use of self: the self represents a class;
   2. Self appears in the object method, and self represents the object
   3. Self appears in the class method, and self represents the class;

Self keyword OC