Collections

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:

Collections

.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.
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