Convert LinkedHashMap to List Java Example

This example shows how to convert LinkedHashMap to a List (ArrayList, LinkedList) in Java. This example also shows how to convert map keys, values, or entries to a List.

How to convert LinkedHashMap to List in Java (ArrayList or LinkedList)?

The LinkedHashMap is an implementation of a Map. The Map and List are two different data structures. The Map stores key-value pairs while the List is an ordered collection of elements.

How to convert all keys of LinkedHashMap to a List?

You can convert all keys of the map object to a List using the keySet method as given below. The keySet method returns a Set view of all keys contained in the map object.

Output

How to convert all map values to a List?

You can convert all values of the LinkedHashMap to a List using the values method. The values method of the LinkedHashMap class returns a Collection view of all the values contained in the map object. You can then use this collection to convert it to a List object.

Output

How to convert all map entries to a List?

You can also convert all the entries (i.e. key-value pairs or mappings) to a List using the entrySet method. The entrySet method returns a Set view of all the entries contained in the LinkedHashMap object.

Output

This example is a part of the LinkedHashMap in Java Tutorial.

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References:
Java 8 LinkedHashMap

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RahimV

RahimV

My name is RahimV and I have over 16 years of experience in designing and developing Java applications. Over the years I have worked with many fortune 500 companies as an eCommerce Architect. My goal is to provide high quality but simple to understand Java tutorials and examples for free. If you like my website, follow me on Facebook and Twitter.

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