To convert a Set to a List in Java without creating a new List object, you can use the List constructor that takes a Collection as an argument.
You can use the set data type to find the difference between two lists with unique entries.
A Set is a collection of elements in which each element can only occur once. A Set does not have a specific order and does not provide a way to access its elements by their position.
To convert an array to a Set in Java, you can use the Arrays.asList() method to create a List from the array, and then use the List.toSet() method to create a Set from the List.
To get the first element of a List or Set in Java, you can use the following methods:
In Java, a Set is an interface that extends the Collection interface.