Core Java Programming Course- Tree Set

The video tutorial explains the TreeSet in Java, highlighting its nature as an ordered collection that automatically sorts elements in ascending order. It contrasts TreeSet with HashSet, noting that TreeSet maintains order while HashSet does not. The tutorial demonstrates creating TreeSet objects, adding elements, and displaying them. It also covers the similarities in methods between TreeSet and HashSet, such as remove and clear. The video concludes by emphasizing TreeSet's relevance in interviews.

What is the primary characteristic that differentiates a TreeSet from a HashSet?

• TreeSet does not support null elements.

• TreeSet automatically sorts elements in ascending order.

• TreeSet is unordered.

• TreeSet allows duplicate elements.

Which keyword can be used in Java 10 to create a TreeSet object?

• new

• const

• var

• let

When elements are added to a TreeSet, how are they organized?

• Randomly

• In the order they were added

• In descending order

• In ascending order

Which of the following methods is NOT shared by both TreeSet and HashSet?

• sort

• union

• clear

• remove

What is a common feature of both TreeSet and HashSet?

• Both have similar methods for union and intersection.

• Both allow duplicate elements.

• Both automatically sort elements.

• Both are ordered collections.