What is difference between sets and lists? - Java

What is difference between sets and lists?

Sets Lists
They have unique valuesThey have duplicate values
It is an unordered collection It is an ordered collection.
Set implements HashSet, LinkedHashSet, TreeSet etc.List implements ArrayList, LinkedList etc.
It can only have a single null valueIt can have any number of null values
An Iterator can be used to traverse a set.A ListIterator is used to traverse a list in both the directions.
It does not have any legacy class.It has a legacy class called Vector.
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