what is collection in java?

Question

collection consists of list, set and map how to use
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Answer 1

Hello, 😊
Please, Use the search feature before posting as to reduce the number of duplicate threads in Q/A section!👍
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An useful code for any new user here!;)
https://code.sololearn.com/WvG0MJq2dQ6y/

https://www.sololearn.com/learn/Java/2183/?ref=app
https://www.sololearn.com/learn/Java/2182/?ref=app
https://www.sololearn.com/learn/Java/2181/?ref=app
https://www.sololearn.com/learn/Java/2179/?ref=app

Collections in Java
https://www.javatpoint.com/collections-in-java