Collections

Published Jul 18, 2022

The Collections class provides static methods that operate on or return Collection objects. It is part of the java.util package.

import java.util.Collections;

Collections.method();

Below is a list of methods provided by the Collections class:

.max(): Returns the maximum member of a List based on natural ordering or based on a Comparator.
.min(): Returns the minimum member of a List based on natural ordering or based on a Comparator.
.reverse(): Reverses the current ordering of a List.
.shuffle(): Randomizes the order of elements in a List.
.sort(): Sorts a List based on natural ordering or based on a Comparator.
.swap(): Swaps the position of two elements in a List.