asic Operators in EL:
JSP Expression Language (EL) supports most of the arithmetic and logical operators supported by Java. Below is the list of most frequently used operators:
| Operator | Description | ||
|---|---|---|---|
| . | Access a bean property or Map entry | ||
| [] | Access an array or List element | ||
| ( ) | Group a subexpression to change the evaluation order | ||
| + | Addition | ||
| - | Subtraction or negation of a value | ||
| * | Multiplication | ||
| / or div | Division | ||
| % or mod | Modulo (remainder) | ||
| == or eq | Test for equality | ||
| != or ne | Test for inequality | ||
| < or lt | Test for less than | ||
| > or gt | Test for greater than | ||
| <= or le | Test for less than or equal | ||
| >= or gt | Test for greater than or equal | ||
| && or and | Test for logical AND | ||
| or or | Test for logical OR | ||
| ! or not | Unary Boolean complement | ||
| empty | Test for empty variable values |