I saw in some groovy code this:
trip.id?.encodeAsHTML()
What is the difference between using or not using “id?.”?
I saw in some groovy code this: trip.id?.encodeAsHTML() What is the difference between using
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I saw in some groovy code this:
trip.id?.encodeAsHTML()
What is the difference between using or not using “id?.”?
It checks if the object is null or not.
Using it, you can prevent nullpointer exception.
If you use it, you should use it for the whole object (eg: trip.id?.otherstuff?.morestuff?.encodeAsHTML()