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Ethan Jackson——Works at the International Committee of the Red Cross, Lives in Geneva, Switzerland.
Operator precedence determines which
operator is performed first in an expression with more than one
operators with different
precedence. For example 10 + 20 * 30 is calculated as 10 + (20 * 30) and not as (10 + 20) * 30.
Associativity is used when two
operators of same
precedence appear in an expression.
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