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Boolean Variables
- private boolean married;
- Set to truth value:
married = input.equals("M");
- Use in conditions:
if (married) ... else ...
if (!married) ...
- Also called flag
- Don't test Boolean variables against truth values--sign of
cluelessness:
if (married == true) // DON'T
if (married == false) // DON'T
if (married != false) // NO!!!
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