Difference between revisions of "Optional Assignment"

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=Code To Implement=
 
=Code To Implement=
 
==Max==
 
==Max==
{{JavaToImplement|Max|max|optional.assignment}}
+
{{JavaToImplement|Max|max|optional.exercise}}
  
 
  <nowiki>public static Optional<Integer> maximum(ImmutableList<Integer> xs)</nowiki>
 
  <nowiki>public static Optional<Integer> maximum(ImmutableList<Integer> xs)</nowiki>

Revision as of 05:11, 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 Java.png
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 Junit.png
package: optional.assignment
source folder: src/test/java