How-to articles, tricks, and solutions about SET

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.

Read the tutorial and learn about several methods used for converting Set to Array in JavaScript. Also, read about differences between these two structures.

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.