January 2014
Intermediate to advanced
736 pages
70h 43m
English
Content preview from Android™ How to Program, Second Edition
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Boolean Logical AND (&) and Boolean Logical Inclusive OR (|) Operators
The boolean logical AND (&) and boolean logical inclusive OR (|) operators are identical to the && and || operators, except that the & and | operators always evaluate both of their operands (i.e., they do not perform short-circuit evaluation). So, the expression
( gender == 1 ) & ( age >= 65 )
evaluates age >= 65 regardless of whether gender is equal to 1. This is useful if the right operand of the boolean logical AND or boolean logical inclusive OR operator has a required side effect—a modification of a variable’s value. For example, the expression
( birthday == true ) | ( ++age >= 65 )
guarantees that the condition ...
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