Additional Notes
How do you remove all elements from a HashSet?
Track: Java
Topic: Collections
Focus: Set Interface and HashSet
Java: Set Interface and HashSet
Answer
Use the clear() method to remove all elements from a HashSet.
The clear() method removes all elements from the HashSet, making it empty. This is useful when you need to reset a collection, such as clearing a temporary list of searched products.
The clear() method removes all elements from the HashSet, making it empty. This is useful when you need to reset a collection, such as clearing a temporary list of searched products.
Topics: Collections Java Set Interface and HashSet