LinkedHashMap in java with example

In this post, we will see about LinkedHashMap in java. LinkedHashMap is same as HashMap except that it maintains insertion order.

Some points about LinkedHashMap

  1. LinkedHashMap implements Map interface and extends HashMap class.
  2. LinkedHashMap maintains insertion order, so when you will be able to access elements in the order they were inserted like ArrayList.
  3. LinkedHashMap maintains doubly Linked list to maintain insertion order.

Example:

LinkedHashMapMain.java

If you may iterate LinkedHashMap in multiple ways.
When you run above program, you will get below output:

Add Comment