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  Tutorial: Operator Precedence

Precedence determines order of evaluation

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Mathematical tradition, which programming languages generally try to match, dictates that some operations are done before others (for example, multiplication and division are done before addition and subtraction).

a+b*c is the same as a+(b*c), not (a+b)*c.

Ever operator has a precedence (a number) associated with it. The precedence determines which operations will be performed first. Multiplication has higher precedence than addition, as illustrated in the previous example..


 

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