Should I remove Java from my Mac?

I saw java turn up in EtreCheck. I don't recall ever needing it except for several years ago, I had to use it for the skypub website to use its "planisphere" program. I don't think I need it now.

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What is the best course of action?

Thanks!

[Edited by Moderator]

Original Title: I found java on my Mac. Should I remove it? By just deleting the java file?