(Groovy) Add multiple values to an ArrayList

Question

like the title says, I want to add multiple values to my arrayList in Groovy. But it is not accepted.

Collection<String> actorCollection = new ArrayList<>();
actorCollection.add("first","second");

If there is only a single value, it works perfectly.

Thanks in advance!

cfrick · Accepted Answer · 2020-10-08 12:21:26Z

3

Use addAll: actorCollection.addAll("first","second")

Note: Groovy's list literal will give you an array list. So could just write def actorCollection = [] or even ... = ["first", "second"] to fill the list with the values right from the beginning.

edited Oct 8, 2020 at 12:21

answered Oct 8, 2020 at 12:15

cfrick

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2 Comments

ernest_k Over a year ago

Interesting. I didn't know groovy offered a var-arg overload for addAll().

cfrick Over a year ago

@ernest_k yep, and also for an interator

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