Redundant Boolean literals should be removed from expressions to improve readability.

Noncompliant Code Example

if (booleanMethod() || false) { /* ... */ }
doSomething(!false);

booleanVariable = if (booleanMethod()) true else false;
booleanVariable = if (booleanMethod()) true else exp;
booleanVariable = if (booleanMethod()) false else exp;
booleanVariable = if (booleanMethod()) exp else true;
booleanVariable = if (booleanMethod()) exp else false;

Compliant Solution

if (booleanMethod()) { /* ... */ }
doSomething(true);

booleanVariable = booleanMethod();
booleanVariable = booleanMethod() || exp;
booleanVariable = !booleanMethod() && exp;
booleanVariable = !booleanMethod() || exp;
booleanVariable = booleanMethod() && exp;