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Alex Rivera
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How can I add elements from two sets? If there's a set one (1, 3, 6, 8) And a set two (2, 4, 6, 8) How do I the elements from those two together? Output should be (1, 2, 3, 4, 6, 8) Here's what I tried: Set<Integer> one = new HashSet(); one.add(1); one.add(3); // and so on Set<Integer> two = new HashSet(); two.add(2); two.add(4); // and so on Set<Integer> newSet = new HashSet(); newSet.add(one); newSet.add(two); return newSet; And this doesn't work, as the add method works only for a single integer, not a collection of integer. Is there a method where I can add two sets together? I also have to return the set. How do I do that?
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