Java Programming for Complete Beginners - Java 16 - Step 14 - Set Interface - Introduction - No Duplication

The video tutorial introduces the set interface, highlighting its unique feature of storing only unique elements without duplicates. It explains how sets differ from lists by not providing positional access. The tutorial demonstrates creating sets and using HashSet, noting that element order is not maintained. Key differences between sets and lists are summarized, emphasizing the importance of unique values in sets.

What is the main characteristic of a set interface compared to a list interface?

Explain why duplicates are not allowed in a set.

What happens when you try to add a duplicate element to a set?

Describe the process of creating a hash set in programming.

How does the order of elements in a set differ from that in a list?