#514 – Examples of Operator Precedence

Each operator has an associated precedence, which indicates the order in which the operators are evaluated when evaluating the  expression.

For example, because multiplicative (*, /, %) operators have a higher precedence than additive (+, -) operators, the multiplication in the expression below happens before the addition, so the answer is 34.

int result = 4 + 5 * 6;

If we want the addition to happen first, we can change the precedence by using parentheses.

// Result = 54
int result = (4 + 5) * 6;

Here are some other examples of operator precedence.

            // Negation operator has higher precedence than conditional operators
            bool res = !false || true;    // true  (negation operator evaluated first)
            res = !(false || true);       // false (conditional OR evaluated first)

            // && has higher precedence than ||
            bool res = true || false && false;    // true
            res = (true || false) && false;       // false

About Sean
Software developer in the Twin Cities area, passionate about .NET technologies. Equally passionate about my own personal projects related to family history and preservation of family stories and photos.

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