Java Tutorial #57 - Java Linked HashMap Class with Examples (Map Data Structure)

Java Tutorial #57 - Java Linked HashMap Class with Examples (Map Data Structure)
In this video by Programming for Beginners we will learn Java LinkedHashMap Class with Examples (Map Data Structure), using Java Tutorial videos.

The LinkedHashMap class of the Java collections framework provides the hash table and linked list implementation of the Map interface.

It extends the HashMap class to store its entries in a hash table. It internally maintains a doubly-linked list among all of its entries to order its entries.

LinkedHashMap preserves the order of elements added.
But it takes more memory due to double linked list implementation.

Examples:
- Create a LinkedHashMap
- Add elements in LinkedHashMap
- Access elements of LinkedHashMap
- Replace elements in LinkedHashMap
- Remove elements from LinkedHashMap

Map Methods:
put(K, V) method
putAll() method
putIfAbsent(K, V) method
get(K) method
keySet() method
values() method
entrySet() method

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