```
public class InFixToPostFix
extends java.lang.Object
```
A helper class which converts infix expressions to postfix expressions Currently grouping is supported, as well as all of the Rules supported by RuleFactory Supports grouping via parens, mult-word operands using single or double quotes, and these operators: ! NOT operator != NOT EQUALS operator == EQUALS operator ~= CASE-INSENSITIVE equals operator || OR operator && AND operator like REGEXP operator exists NOT NULL operator < LESS THAN operator > GREATER THAN operator <= LESS THAN EQUALS operator >= GREATER THAN EQUALS operator

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`convert(java.lang.String expression)`	Convert in-fix expression to post-fix.
`(package private) java.lang.String`	`infixToPostFix(InFixToPostFix.CustomTokenizer tokenizer)`	convert in-fix expression to post-fix.
`static boolean`	`isOperand(java.lang.String s)`	Evaluates whether symbol is operand.
`(package private) boolean`	`precedes(java.lang.String s1, java.lang.String s2)`	Determines whether one symbol precedes another.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Modifier and Type	Field	Description
`private static java.util.List`	`operators`	Operators.
`private static java.util.Map`	`precedenceMap`	Precedence map.

Class InFixToPostFix