Question: In java In one function I am trying to create a set and use the set later in the main function. I am also creating

In java

In one function I am trying to create a set and use the set later in the main function. I am also creating an array of arrays in another function and I want to return it so I can use it and reference it in the main function. How do I set up these functions so I can return them then reference them later in main?

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