Difference between revisions of "Optional Assignment"
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NOTE: in order to test this studio you must first complete the main (non-app) part of the [[ImmutableList_Assignment|ImmutableList<E> studio]]. | NOTE: in order to test this studio you must first complete the main (non-app) part of the [[ImmutableList_Assignment|ImmutableList<E> studio]]. | ||
| − | {{TestSuite|MaxTestSuite|optional. | + | {{TestSuite|MaxTestSuite|optional.exercise}} |
Latest revision as of 05:12, 8 September 2022
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 |
