Whats the difference between hashmap and hash set in laymans words?

Answer 1

imagine that:
-> HashMap as a train with people and seats, each person is attached to a fixed seat, and a seat has a number on it.
-> HastSet as a school bus with students, a student will have a seat if he comes first. and seats have no number on it.

Answer 2

In HashMap a value can be accessed using the key...every value has an unique key
in HashSet value can be stored...however it avoids duplicate values

Answer 3

HashMap is the one with (key,value) with a relation in between them.
HashSet is the one with only values just like arraylist.

Answer 4

HashMap's element has key-value relationship or mapping, while HashSet just keeps a group of non-duplicate elements.

Answer 5

Good question and good answers.

Answer 6

Good Explanation..