How to remove duplicates from List?

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answerhappygod
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How to remove duplicates from List?

Post by answerhappygod »

a) HashSet<String> listToSet = new HashSet<String>(duplicateList);
b) HashSet<String> listToSet = duplicateList.toSet();
c) HashSet<String> listToSet = Collections.convertToSet(duplicateList);
d) HashSet<String> listToSet = duplicateList.getSet();
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