The Is operator is an object reference comparison operator. The string concatenation operator (&) is not an arithmetic operator, but in precedence, it does fall after all arithmetic operators and before all comparison operators. ![]() If addition and subtraction, multiplication and division, occur together respectively in an expression, each operation is evaluated as it occurs from left to right. Arithmetic and logical operators are evaluated in the following order of precedence: Supported Operators and Order of Precedence Arithmetic Comparison operators all have equal precedence they are evaluated in the left-to-right order in which they appear. If expressions contain operators from more than one category, arithmetic operators are evaluated first, comparison operators next, and logical operators last. Within parentheses, however, normal Operator Precedence is maintained. Operations within parentheses are always performed before those outside. Parentheses can be used to override the order of precedence and evaluate some parts of an expression before others. If several operations occur in an expression, each part is evaluated and resolved in a predetermined order called Operator Precedence.
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