Optional Assignment

Note this studio is required. It helps us gain experience using java.util.Optional<T>.

Code To Implement

Max

class:	Max.java
methods:	max
package:	optional.exercise
source folder:	src/main/java

public static Optional<Integer> maximum(ImmutableList<Integer> xs)

Given a list of Integers, return Optional.of the maximum value in that list if it exists, otherwise return Optional.empty.

Test

NOTE: in order to test this studio you must first complete the main (non-app) part of the ImmutableList<E> studio.

class:	MaxTestSuite.java
package:	optional.exercise
source folder:	src/test/java