Thursday, April 14, 2011

Expression Language Operators


Category
Operators

Arithmetic
+, -, *, / (or div), % (or mod)

Relational
== (or eq ), != (or ne), < (or lt), > (or gt), <= (or le), >= (or ge)

Logical
&& (or and), || (or or), ! (or not)

Conditional
A ? B : C (Evaluate A to Boolean. If true, evaluates and returns B. Otherwise, evaluates and returns C.)

Empty
= empty A (If A is null or is an empty string, array, Map, or Collection, returns true. Otherwise returns false.)

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