Unlocking the Power of LinkedHashMap in Java: Efficient and Ordered Data Management

In Java, a LinkedHashMap is a specialized implementation of the Map interface that combines the features of a HashMap and a LinkedList

It is part of the java.util package and is used to store key-value pairs in a way that keeps up the insertion order of the components

Not at all like HashMap, which does not ensure any order, LinkedHashMap preserves the order in which components were inserted into the map

Internally, a LinkedHashMap uses a doubly-linked list to preserve the order of entries

Like HashMap, LinkedHashMap permits one null key and numerous null values

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