isEmpty()

Classic programmed-learning exercises, refreshed for modern Java and presented in the current MrStyner.com portfolio style.

Modern Java noteThis archive has been refreshed for Java 25 LTS. Core language concepts remain useful, while outdated setup instructions and browser-era Java are labeled or replaced. Java 26 is the current feature release; Java 25 is used here as the stable teaching baseline.
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Answer:

0: Amy
1: Bob
2: Deb

isEmpty()

To check if an ArrayList has elements use

boolean isEmpty()

which returns true if the ArrayList has no elements.

To remove all elements from a list, use

void clear()

QUESTION 15:

(Review: ) What algorithm is used to find the first occurrence of a particular element in an array?