Example & Tutorial understanding programming in easy ways.

What is difference between HashMap and HashSet?

The difference between HashMap and HashSet are following:-

                           HashMap                              HashSet
1 HashMap is a implementation of Map interface. 1 HashSet is an implementation of Set Interface.
2 HashMap Stores data in form of key and pair. 2 HashSet Store data in form of objects.
3 To add elements put() methods is used. 3 To add element add() methods is used.
4 In HashMap hashcode value is calculated using key object. 4 Member object is used for calculating hashcode value. Two object may have same hash code.
5 HashMap is faster than hashSet because unique key is used to access object. 5 HashSet is slower than HashMap.

Read More →
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!