public class NotExpression extends Object implements Expression
Expression corresponding to the logical "not" of another Expression.Expression.Operator| Modifier and Type | Field and Description | 
|---|---|
private Expression | 
_expr  | 
| Constructor and Description | 
|---|
NotExpression(Expression expr)
Creates the "not" Expression. 
 | 
private Expression _expr
public NotExpression(Expression expr)
expr - the operandpublic String build()
Expressionbuild in interface Expression