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Difference between revisions of "Boolean"

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:* Parentheses are used in pairs; each open parenthesis "(" requires a closing parenthesis ")".
:* Parentheses are used in pairs; each open parenthesis "(" requires a closing parenthesis ")".
:* For example:
:* For example:
::  <tt>((<expression1> && <expression2>) || <expression3>) && (<expression_4)</tt>
::  <tt>((<expression1> && <expression2>) || (<expression3> && <expression_4>))</tt>
|}
|}

Revision as of 20:38, 10 June 2011

LOGICAL OPERATOR

The logical operators are:
&& Logical AND (and)
|| Logical OR (or)
Considerations
  • Two subexpressions joined by a logical operator form a logical expression.
  • Logical expressions resolve to a Boolean value: 1/0 or TRUE/FALSE.
  • Use parentheses--()--to group expressions logically and to join multiple expressions.
  • Parentheses are used in pairs; each open parenthesis "(" requires a closing parenthesis ")".
  • For example:
((<expression1> && <expression2>) || (<expression3> && <expression_4>))