Exercise code due to Dale Skrien (2009), Object-Oriented Design Using Java, exercise 4.30.

JUnit tests developed with ChatGPT. Prompts:

• Please write JUnit4 tests using org.junit.jupiter.api for the following function: ...
• Please generate another test for empty lists.
• Generate a test testSpecialArrayListEquals_duplicateElements_true
• Please write another test where the lists are the same except one element is different
• Generate tests where the lists are different lengths

To run tests in IntelliJ IDEA:

1. Under File > Project Structure > Libraries, use Maven to add org.junit.jupiter.
2. Add a JUnit run configuration running STest.