Operator Precedence
You have seen how a simple operation such as addition can be performed in Objective-C. The following program further illustrates the operations of subtraction, multiplication, and division. The last two operations performed in the program introduce the notion that one operator can have a higher priority, or precedence, over another operator. In fact, each operator in Objective-C has a precedence associated with it.
This precedence is used to determine how an expression that has more than one operator is evaluated: The operator with the higher precedence is evaluated first. Expressions containing operators of the same precedence are evaluated either from left to right or from right to left, depending on the operator. This is ...
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