Empty Operator in JSP Expression Language
What is an Empty Operator in JSP Expression Language?
Explanation
Empty operator in JSP Expression Language is used for prefix operation to check whether a value is empty or null.
<p>Empty Operator Example</p>
The Value for the Empty operator is:: ${empty "txxt"}
Result :
Empty Operator Example
The Value for the Empty operator is:: false
In the above example we have used the empty operator along with a text "txxt". Empty operator checks finds
the string so its not "null" so returns "false".
Example :
<p>Empty Operator Example</p>
The Value for the Empty operator is:: ${empty "txxt"}
Result :
Empty Operator Example
The Value for the Empty operator is:: false
In the above example we have used the empty operator along with a text "txxt". Empty operator checks finds
the string so its not "null" so returns "false".
