public final class RuleFactory extends Object
Modifier and Type | Method and Description |
---|---|
static RuleFactory |
getInstance()
Get instance.
|
Rule |
getRule(String symbol,
Stack stack)
Create rule from applying operator to stack.
|
boolean |
isRule(String symbol)
Determine if specified string is a known operator.
|
public static RuleFactory getInstance()
public boolean isRule(String symbol)
symbol
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