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Bill Mauro
1,621 PointsDynamic Typing Challenge
Just defined a variable 'thing' as an id allocated to nil. Not sure how to assign an object of a different type (NSNumber) to the same variable name.
1 Answer
Matias Hermida
1,956 PointsAmit Bijlani said:
"You cannot declare a variable with the same name twice. With id thing = nil; you are declaring that there is a new variable named thing that is initialized to nil. On the second line, once again you are declaring a new variable thing that is of type NSNumber initialized to an object containing number 4.
You can do this:
id thing = nil; thing = @4; "end of quote